I built one of these for my instrumentation lab course at Purdue, back in 1977. The hand drawings and plots that you cite as being from "the Navy" were actually from a book of collected columns out of Scientific American, "The Amateur Scientist" column written by CL Stong. One of the most important things in Ranque-Hilsch tube design (French engineer Ranque invented it in 1931, and it was rediscovered by Paul Dirac and improved upon by Rudolph Hilsch) is the use of a supersonic nozzle to feed the air in to the swirl chamber. It works by having the high velocity (hence high stagnation enthalpy) air hug the hot tube wall by centrifugal force. Low velocity air goes to the center of the vortex, and is driven out through the cold tube entrance by pressure. Using big galvanized plumbing pipe (1.5 inch, IIRC), and a swirl injector that I made into a two-dimensional De Laval nozzle by filing a plate of aluminum with a fine set of semi-round files, I was able to cobble together a working Hilsch tube and reproduce the temperature plots from the Scientific American article pretty well. Now, I had a whopping big air compressor at my disposal in the ME Building at Purdue. I believe it was a 20 HP compressor, and it heated the air in the room I was using (a big room) up to over 100 F during each run. But I was able to get the cold side down to -50 C without any problem. Much later, when I had my own company, I managed to snag a bunch of commercial Hilsch tubes that were used for the purpose of spot cooling metal parts being drilled, milled, or machined on a lathe. They could get down almost to dry ice temperatures. I wish I still had them.
Very fascinating! I worked for Ingersoll Rand for over 20 years, and you explained the operation textbook. The old guys who taught me made me construct one of these to learn from. They truly are fantastic little devices. Years later, I fell back on this knowledge at a steel mill in Alabama we're I designed an air conditioning unit with a vertex cooler and a 50 horse power screw compressor on top of a pilot crane. It served as cold air but also allowed the purification of the air due to carbon monoxide put off by the molten iron crucible. The operators were falling ill due to the heat and fumes. It was all mounted on the overhead crane alongside the pilot house. The operators stated that was the first time since they started in the 70s they'd had air conditioning there. Standard refrigeration units would not work because the ambient temp above the melting steel was over 130 degrees Fahrenheit. So these things are wasteful but definitely have their place. They are also used in cooling electrical cabinets running off nitrogen this cools and protects from explosive vapor build-up. I would love to sit down and ask 1000 questions from you. Cheers 🍻
That's exactly what I thought as Tony was explaining how it worked... I realized when he's talking about when the vortex turns back, the inner vortex is smaller in the middle, but the faster, hotter molecules will tend to be flung/move to the outer edge, where the slower, colder molecules will be carried along in the center into the small tube. Almost like a vortex filter... Awesome to hear you explain that my intuition was correct!
@@sgtbrown4273 You just do not understand: The tube is very loud yes? And this special sound attracts and binds a demon who s forced to sort the hot and cold molecules to the correspondending outlets. Why? Because it is a hot/cold sorting kind of demon, silly! Thats it for Americans, heretics in other parts of the world may meditate on the powers of Thermoakustik the fallacy to try to explain those also only by pressure differences and on Schauberger building flying saucers for the US military.
@@lastnamefirstname6700 ⚠️ God has said in the Quran: 🔵 { O mankind, worship your Lord, who created you and those before you, that you may become righteous - ( 2:21 ) 🔴 [He] who made for you the earth a bed [spread out] and the sky a ceiling and sent down from the sky, rain and brought forth thereby fruits as provision for you. So do not attribute to Allah equals while you know [that there is nothing similar to Him]. ( 2:22 ) 🔵 And if you are in doubt about what We have sent down upon Our Servant [Muhammad], then produce a surah the like thereof and call upon your witnesses other than Allah, if you should be truthful. ( 2:23 ) 🔴 But if you do not - and you will never be able to - then fear the Fire, whose fuel is men and stones, prepared for the disbelievers.( 2:24 ) 🔵 And give good tidings to those who believe and do righteous deeds that they will have gardens [in Paradise] beneath which rivers flow. Whenever they are provided with a provision of fruit therefrom, they will say, "This is what we were provided with before." And it is given to them in likeness. And they will have therein purified spouses, and they will abide therein eternally. ( 2:25 ) ⚠️ Quran
no GOD BUT GOD....What Is Islam? Islam is not just another religion. It is the same message preached by Moses, Jesus and Abraham. Islam literally means ‘submission to God’ and it teaches us to have a direct relationship with God. It reminds us that since God created us, no one should be worshipped except God alone. It also teaches that God is nothing like a human being or like anything that we can imagine. The concept of God is summarized in the Quran as: { “Say, He is God, the One. God, the Absolute. He does not give birth, nor was He born, and there is nothing like Him.”} (Quran 112:1-4) Becoming a Muslim is not turning your back to Jesus. Rather it’s going back to the original teachings of Jesus and obeying him
You know, I was going to thumb up this comment until about halfway through; when it became kinda obvious that you were exactly the same as the other guy except of a different faction. Let me be very clear: ALL your religions are nonsense. The Egyptian Book of the Dead described many core aspects of the christian myth (the three wise men, for example; and the fable of Lazerus) thousands of years before your imaginary prophet was invented. You talk about theft and making shit up? How ironic. When are you credulous imbeciles going to take your heads out of your arses, stop pleading with thunderstorms and take your place in the modern scientific age?
oh. so it's the opposite of the turbine engine. instead of putting thermal energy in and getting air pressure out, you put air pressure in and get thermal energy out?
It is the same as high bypassed turbines on airlines that have a jet fuel compressor in the tail that drives the jets that use the vortex to produce the heat to drive the engines.
@@thomasmahoney9748 "She's the girl who makes the thing that holds the oil that oils the ring that holds the shank that works the crank, tgat works the thingummybob"
Probably not still reading these but I never knew these existed. I've been a fan for a year or two and this is the first time I've seen this one. This is freaking amazing.
We used these vortex tubes in our sandblasting suits. We sandblasted outside in the middle of summer at 105F with heat index's of 115F...me in my sandblasting suit...and I never started sweating. I could be out there all day long no problem. These tubes are black magic. We just had it attached to a plate which was held onto us by the belt we use to keep the suit tight on you. The plate was roughly shaped to a human back and it fit comfortably and kept the extremely hot tube from melting the suit or burning bare skin if the suit moved.
Hey tony, we use this in the factory I work at. I'm a industrial maintenance tech. If I happen to get ahold of one I'll send it to you, if that's what you would like
@@magnum0121984 could you do friction fitting? If you have 200 C air to heat the hole, and -50 C to cool the bit to be inserted in said hole. No need for a blowtorch?
i just cant not one bit It was a $500.00 German angle grinder vejayo, This one was one of AvE ' s intermissions. Sorry, I have forgotten the German company name.
Thanks for bringing this up. Nice presentation. Here is my take. (1) gas a compressible substance gets hot when compressed and conversely cool to decompress, in case we didn’t recall that before we read this. (2) a secondary compression (first by air tank) take place when gas were pushed (compressed) against the chamber wall by an induced force, centrifuge force. (3) given inlet as port 1, if we plug (cold) port3, then (hot) port3 outputs a mixed hot-cold gas at a lower than ambient temperature due to (A) heat pre-loss on chamber tube wall from centrifuge-compression and (B) the pressure drop from port1 to port2. (4) the cone shape valve at port2 is used to separate and release the hot (centrifuged) gas apart from the less hot gas (vortex) in tube core, also shaped to improve transition of gas from intermediate (neither centrifuged or vortex) to low a (vortex) flow. (5) it should be noted that port3 gas temperature drop isn’t just due to vortex but include pressure difference between port1-3. (6) optimal port temperature difference is influenced by centrifuge radius, axial length, swirl ports geometry, flow ratio port-2-3. When chamber (tube) hot spot migrated down streams towards port2 and t diff is less than optimal, it is a good sign chamber wall is too long. (7) optimal temperature difference require to control play with flow exit gas volume ratio at both port2:3. (8) reducing chamber radius from a larger near port1 to smaller towards port2 linearly (funnel shaped chamber) can be consider for performance enhancing. While a nonlinear radius to radius transformation (inverse exponential, the coin funnel shape at science museum) can be a good way to go. I wish my machining skill and might be like - this old Tony.
As a non native English speaker, I didn't got it first. So, for those like me, here his the meaning : What Would Jesus Do. And from now I won't be able to use WD40 without a big smile... And the best is that he must have spent hours to make his beautiful can, see 4:17. I can imagine him giggling internally during the whole process...
Great vids. Love your sense of humor. Back in the days of carburetors, mechanics used to use a small one of these devices for the purpose of cooling off the automatic choke spring so the choke could be adjusted even after the engine had been warmed up.
Totally inspirational! i'm with Tikki on this. Have worked with wood and metal all my life in a "low fi" way but when i watch a video of yours i just start twitching to go and build a monster, i need a machine shop! You have a rare gift for teaching & long may you carry on! Thanks so much Stubby (UK)
I'm not a machinist, not really interested in machining, have no desire to start machining, but man I LOVE YOUR VIDEOS. Thanks for sharing and making me laugh my arse off.
To answer that, as Tom Waits would say, we have to go all the way back to the Civil War. If you haven't already noticed, Tony occasionally references other popular UA-cam machinists in his videos (usually Stefan Gotteswinter, which I find hilarious). This time around, he receives phone calls from three other machinists. By doing this, Tony is providing a vehicle for those of us "in the know" to feel special...like we're part of an exclusive club. Granted, it's the kind of club whose members spend way too much time watching UA-cam machining videos, but I'll take my exclusivity where I can get it. AKA, "the inside joke". The downside to this kind of exclusivity is the necessity for a portion of the viewership, like yourself, to have no idea what's going on. It's a crummy position to be in, but you can take solace in the fact that your ignorance provides the rest of us with a fair helping of smug satisfaction. You sir, are the foil. Your kind has a tragic nobility that causes the rest of us to feel the slightest bit of envy behind our giggles. But mostly smug satisfaction. Quiz on Tuesday.
Mr. Brown, Whilst your given name suggests a long-standing relationship with the burden of being a foil, in this particular case you knew the answer to the question asked. Am I to assume that you are so accustomed to being on the wrong side of a joke that you were flummoxed by the surprise of finding yourself on the right? Or, out of habit, were you simply reaching out and claiming the title? Whatever the case may be, I have every confidence that you will clear this up in a manner befitting a man of your obvious refinement and poise. My cheetle may be deep and wide, but it's no match for the particularly persuasive piercing point of truth. Yrs, K. Trigger
Loved the Django. I was able to play with a prototype Hilsch tube about 35 years ago. It was small, it was dirt simple, we had essentially unlimited air st 175 psi, it worked very well, with exhaust temperatures cold and hot enough to be dangerous to the operator. Oh, and it was LOUD! The friend who had it, Dieter Lezius, was a German physicist who did research for Lockheed. He told me it worked like a tornado, the vortex becoming very small and fast rotating where the flow split into two streams due to compression and the cold side by expansion, and the law of conservation of energy making the thing produce equal total energy gain and loss at the opposite ends at equilibrium. To me it was a fascinating toy, and this is my memory of what I remember my sailplane buddy/mad physicist telling me way back then... Just looked him up, he was still at it in 1994: www.isope.org/publications/proceedings/ISOPE/ISOPE%201994/Abstract%20Pages/I94v3p447.pdf
@@ThisOldTony My intuition was that the most energetic (hotter) particles would be flung to the walls of the tube, whereas the less energetic (colder) particles would "fall" to the centre, where they would then be deflected out towards the cold end, when hitting the flat surface, of the nozzle at the hot end. If there's any truth to that, then it would likely make sense to move the nozzle to where the tube gets most hot, which was also where the vortex started losing momentum towards the hot nozzle. And if that also holds true, then the smaller the inner tapered diameter, the colder the air that is deflected, which would also decrease the flow that comes out of the cold end, but should make it colder. I didn't even consider thermal expansion, as mentioned in the above answer, but that takes away heat in the same way as the compressor in a refrigerator (as you probably know), which likely also cools the deflected air even more. I think that the choice in the tapered part, was a good one, because it's not as good a conductor of heat as aluminium is, which likely adds to efficiencies of the system, because you don't heat the deflected air as much, when it's deflected. I have nothing to base the above on, though - so pure speculation.
The all-knowing Google machine sent me here because I am looking at these for work. Seems like the best option other than a literal air conditioner to cool electrical panels for box carburizing furnaces. Any fan or blower is going to pull in hot air from the environment, we already have a compressed air system for pneumatics around the shop, and, again, mounting their own air conditioners to these panels (maybe two dozen) is impractical especially when those air conditioners would need more maintenance than these tubes.
well with a brain the size of a planet its no surprise, even if you feel like no one appreciates you, I appreciate you keeping Zaphod at least sort of annoyed.
Units similar to this are used to weld plastic. We have them all over the shop to weld PVC and polypro. They are hand held, roughly 8" long, and about the same diameter as a soldering iron. They usually run them on roughly 90 p.s.i. They have a feed tube to push in welding rod of the same material as being welded. Just discovered HF sells one with a built-in air motor.
Being a refrigeration guy, my guess would be that the vortex compressed the air more in the middle of the tube and as it comes out the “cold” side it evaporates... might find the answer to how exactly it works in gas law. Air is classified as a refrigerant according to my last chem professor though I don’t know what designation number it has.
Actually it was in the mid 1970's. I built one in brass when the article came out. I was only able to get a 10 degree (C) differential between the hot and the cold but it definitely worked. Here is a link to the article from Popular Science October 1976. books.google.com/books?id=HwEAAAAAMBAJ&pg=PA123&lpg=PA123&dq=popular+science+vortex+tube&source=bl&ots=SHpjJjHvdN&sig=W9W1PJRRhUJ0JOBrgWOFhhiM21o&hl=en&sa=X&ved=0ahUKEwisitPz3bnPAhWGmh4KHX-pBlgQ6AEIRjAA#v=onepage&q=popular%20science%20vortex%20tube&f=false
Millard Mier Nice! But that is a newer and different article than the one I was remembering. The one I had in mind may have been in a different publication or a book on projects. The drawings were like the Navy plans he showed in the video, as in the same pictures (or dead on close), with a nautilus-shaped swirl chamber.
Since you peaked my interests I went searching in the Popular Science archives in Google. Jul 1969 www.popsci.com/archive-viewer?id=FyoDAAAAMBAJ&pg=61&query=vortex%20tube Nov 1947 www.popsci.com/archive-viewer?id=aCQDAAAAMBAJ&pg=190&query=hilsch May 1945 www.popsci.com/archive-viewer?id=KiYDAAAAMBAJ&pg=145&query=hilsch Apr 1950 www.popsci.com/archive-viewer?id=DC0DAAAAMBAJ&pg=134&query=hilsch I am guessing that the two articles from the 1940's are the ones you were looking at.
Looking more carefully, I am pretty sure that the plans I used (in about 1976), were from the Nov 1947 issue. I remember as a teen spending a lot of time in the local college library basement stacks looking at Popular Science and Popular Mechanics issues from the 30's 40's and 50's when home shops were all the rage. I learned a lot, but very little of it was useful :)
Trying to figure out the principle of operation was a bit perplexing at first, but looking at the setup of the tube and referring to basics I think a fairly simple yet accurate explanation can be offered. The cold and hot ends represent two exit ports and there is one entry point. So we have a high pressure gas trying to escape to atmosphere via two vents. If air flows through only one port, you wont get the effect necessary to generate a temperature difference. Sufficient air must flow through both exits to create a temperature difference. After the gas passes through the swirl chamber and enters the hot tube, the gas initially occupies the periphery of the hot tube. The first point of exit the pressurized swirling gas encounters is the entrance to the cold tube. Due to simple pressure difference, some of the air migrates from the periphery to the center of the hot tube and escapes through the cold end to atmosphere. That migration of air from the periphery to the center, creates the reverse flow in the center of the hot tube. The remainder of the air in the periphery flows forward and goes to atmosphere via the hot tube exit. Both gas streams are rotating in the hot tube. That migration of air towards the center is also responsible for the temperature difference. In any rotating mass of gas the periphery rotates fastest and the center slowest. Therefore the kinetic energy of a rotating mass of gas is highest at the periphery lowest at the center. So when air migrates from the periphery to the center of the hot tube, the speed of rotation of that portion of air slows down. That process of slowing down produces heat, so there's a conversion of kinetic to thermal energy (a comparable phenomenon would be Bremsstrahlung radiation). The heat is emitted from the center flow stream resulting in temperature drop in the center of the hot tube, and the periphery absorbs that heat with a consequent increase in temperature.
Used one many years back while cutting tungsten wires. We were making pin printers for lottery tickets and the tungsten wires would melt the plastic head surface when the diamond saw was used. So we super cooled the wires....problem solved. No more melting of the plastic causing ruined product. Anyway good job. Oh the vortex we used was pretty small, but worked great like -15 farenheit.
We used the commercial version of these devices at a government place where I used to work. It was used to cool electronic equipment in remote locations that had access to compressed air but we did not want the electronics exposed to the local atmosphere that you get when using cooling fans. The cold side was exhausted through a copper coil so no compressed air was introduced into the sealed cabinet we were cooling.
i have a comercial one. Easily get to negative 20 adn 220 degrees. Restricting the hot air but having it flow slightly makes it HOT. Opening it more and more gets your cold air COLD. YOU NEED 90 PLUS PSI. You need cfm too. awesome vid
This is awesome! What would be really cool (sorry) would be to introduce some moisture into the air going in so that it condenses out the cold end looking like those contrails you sometimes see coming off the trailing edge/end of the wind flaps of an aircraft landing in humid conditions.
First time I ran into a Vortex tube we were installing a thermal imaging system into a boiler and needed a way to cool the camera. Someone had suggested a vortex tube. Till that time I had never heard of one and couldn't imagine how shop air could generate the cooling needed to do so. Seemed counterintuitive until read about it. Still not certain I thoroughly understand the thermodynamics behind it but it works
Man, i've been watching youtube for years. "You're really paying for the black magic they put inside" was the first time a video had me belly laughing. This fellow that keeps a sonic screw driver in his tool for those that say i did nothing on a repair just liked amd subscribed. I look forward to sering your other videos.
I used a vortex tube every day at my previous job. Look up 3M PAPR SA-100-PSK Versaflo Painter's Supplied Air Respirator Kit. They come with part# V-100 Vortex Cooling Assembly. If you google some images of the V100 you can see its pretty much exactly what you built (externally) except shorter. In the image, at the 'bottom' is the silver adjusting knob. The hot air escapes around this knob. At the top of the unit (cold side), you will see a long black curved tube. This is just the plastic adapter to hook into the air tube going to the PAPR helmet. Not integral to the vortex function. I always wanted to take one apart to see how it worked. But only ever had pliers and cuss words handy. Plus, this supplied me with nice cool air, in a 100+F room.
The electronics factory I worked in used one of the little Exair units to get cooling air to use on electronic components instead of freeze mist when debugging and it worked well, but the guys found the cans more convenient - no air hose was one factor. Of course we had a large compressed air system with several (3?) large air compressors - they need a lot of air.
One thing I know as a diver seeing 200 bar cylinders drain and pressurise , when you lose pressure fast, it gets cold, and when you increase pressure fast, it gets hot. For some unknown reason I think of a fridge? I strongly suspect your vortex is nothing more than a mechanism to apply the cold effect of initial pressure reduction from source, and the hot end is an effect of re-pressurising to some extent the depressurised air. I'm not convinced this is black magic, sorry :) Other than than, damn good piece of engineering, dang I love your videos.
Besides you're awesome work and projects I love the oddball humour. Nice to hear an AvE problem on the phone :) Please add more of them to your newer videos!
I saw these used to cool control equipment on a newspaper mailroom floor in the event of the main ventilation failure. Sounded like a firehouse siren when it ran. PV=nRT!
I can attest to the cooling aspect at least. I did large scale abrasives blasting and our positive pressure hard hat/breathing hood had a vortex tube in line for cooling and comfort. It would get cold enough to take your breath away and cause condensation to drip.
To T.O.T.. I really enjoy these videos. Not only fascinating theory but great practical application as well with a bit of humour hot top it off. Please keep them coming. Jeffrey
Hey Tony, can I be your apprentice? I’d carry your tools, clean up shop, run errands, answer phones and get your lunch. I could just lay a futon on the lathe so I could gain knowledge by being close to it. On a serious note, I’d really like to learn first hand from you. I enjoy the content, this channel is my favorite on all of UA-cam, minus the world star videos, those are full of knowledge too. Lol Your instruction and comedic delivery is great keep it up and I’ll be a lifer with the hopes of receiving a “This old Tony” scholarship at some point. Cheers.
I'm having a shitty day and your 'I wouldn't be able to hear you' joke just made me laugh. The rest of the video was entertaining and extremely educational as well. Please don't ever stop making this awesome content!
I don't think anyone has a full explanation of why it happens, but it is well documented how it happens. What I remember is that 60 psi at a hole 1/3 from one end will produce the effect.
Buddy! There is no THERMODYNAMICS, from the word "absolutely" for you to understand! There is only a wrong understanding of the world (as a result, loaded into your brain from birth!). Everything works a little differently! Please address your complaints about the quality of the translation to UA-cam!
I think a way to explain this in Layman's terms is: Put your hand in front of your mouth -Blow air on it with nearly closed lips (a tight O) -Blow air on it with completely open lips (a wide O) Notice how the air with closed lips is cooler (smaller exit), whereas the air with the wider lips is warmer (larger exit).
FilliamPL Correct me if I am wrong, but are you describing the Venturi effect, viz, the faster the air flow through the smaller the opening, especially if the opening is an inverted cone shaped, the kinetic effects of compressing the vortex produced equals heat ...?
Ok, so let me know if I get this wrong ... The compressed air enters at a particular velocity, which is then converted into a vortex by the ring of holes. But then what happens is that vortex creates a column of air, but which is moving at two different speeds, at the same time; the air closest to the tube wall heats up because it is moving faster due to laminar air flow and (maybe ...) surface tension holding it against the tube wall, whilst the airflow in the middle is moving much slower; the cap at the end is cone shaped so the faster, and thus hotter air get pushed out, but because of the orientation of the cone, the slower, colder air, gets rebounded into the tube, and is pushed backwards, so to speak. Thus, because you are creating a counter-flow of air, and heat flowing backwards gets even colder, as the laminar air flow absorbs any heat coming from it, making it even hotter. So by the time the counter flow of air exits the other end, is has significantly chilled down ... So would this mean it is a Stirling Engine, in reverse, but the only moving thing is just the air ...? Or am I talking complete testicles/manure from a male cow ...?
I have used those on industrial sand blasters all the time on the helmet supply line to cool the air in the summer and warm the air in the winter. Always wondered what kinda voodoo made them work
the basic principle .... is it is a resonating tube ... those heat at the ends and chill in the middle ... by restricting one end with a cone and leaving the other essentially open you force the hot to the cone end where compression heat takes over and the other end uses airflow to cool by speed ... if the outlet cold air tube was conical it would cool more ... it is essentially a ramjet engine with 2 exits ... you RAM air into the jet and it goes its merry way compressing and heating or flowing fast and cooling
AFAIK (secure source 👏) the vortex sorts fast and slow air particles centrifugal. Those with high velocity are driven more outward. Like an ashsole that has to pee, they use their elbows to get outside - bigger hot air flow. The slower particles are pushed, sucked, and everything else you do with wimps. It's easy because they're weak. That's how they simply get moved and ejected - smaller cold air flow. Why don't the temperatures mix back together? Because they rotate in one direction. The sorting "state" stays in link until some air sufficient leaves the tube. Like you'd get drowned under a waterfall - the water flows (even fast), but you more or less stay at the same underwater place and get pushed down. Right, wrong? Somebody?
I believe I have a paper that covers some dimensions, at least relative to each other. The hot tube should vent at the hottest point. Shorten it to just beyond the hottest point and test again to see if it moved. If not shorten it further to the hottest length. If you are not trying to use it for heat (which would be pointless when a heat gun is available), the aluminum tube will help disipate heat, so is good. It works by compressing the outer stream of air, giving off the heat, and expanding the now cooled inner stream. Basically just like the refrigeration cycle.
JT effect. Because energy is constant, when one form of energy increases another has to decrease. Since temp and pressure are two forms of energy, a change in pressure causes a change in temp. If you increase pressure you increase temp and vise versa. One vortex increases pressure, energy is constant so more mass with same temp being compressed together causes more collisions of the molecules thus increasing temp. It’s why your discharge line on your air compressor gets hot, and why the nozzle gets cold when pushing lots of air through it. Same principle your air conditioner works off of.
Directed-energy weapon. Check Mark! Now we just need to make it a telecommunications device, aircraft autopilot, surveillance, and security controller.
You seem to have a decent amount of equipment, so I imagine you could make a jig for a shop press that would allow you to stamp impressions on the inside of an aluminium tube. The reason I mention this is you were speaking about a smooth airflow, and to get a truly smooth air flow, a flat perfect surface isn't the way to go, it will give drag. But if you look at a golf ball, that has a very smooth air flow due to those dimples. (The dents in my old car didn't have that effect unfortunately, guess I didn't really need them) If you dimpled the inside of the tube like a golf ball by inserting a stamp through the tube and fixing it by the ends to the press, and rotating the tube each time you stamp the dimples into it. On a car surface this increased the efficiency of a Porsche GT3 Hybrid sending back telemetry to David Suzuki by just over 23%, just from that smoother airflow and less friction or drag. And it would give you something to do in between calls! I wonder if an Olympic runner were to sandwich themselves between some little bumps to dimple their skin could increase their speed? I was relaxing at my daughters with my legs up on one of those inflatable exercise balls that had half inch teats all over it. It left impressions in my skin that lasted a lot longer than I thought and I swear I was riding at about 29mph rather than my usual 21-22mph cruising speed. Honest... I always wondered if it would work on a condom as well it did on a car...for lack of friction not for speed.
The cap at the end is the most important part. You are focusing too much in the the way the fluid flows. It's just the difference in pressure. One exit is almost the same diameter as the exit of the compressed air. But in the other side the cap leaves a narrower way for the air to pass and it compresses it again. If pressure rises temperature rises. Try the thermal camera as you move the valve. Great machining skills!
I built one of these for my instrumentation lab course at Purdue, back in 1977. The hand drawings and plots that you cite as being from "the Navy" were actually from a book of collected columns out of Scientific American, "The Amateur Scientist" column written by CL Stong. One of the most important things in Ranque-Hilsch tube design (French engineer Ranque invented it in 1931, and it was rediscovered by Paul Dirac and improved upon by Rudolph Hilsch) is the use of a supersonic nozzle to feed the air in to the swirl chamber. It works by having the high velocity (hence high stagnation enthalpy) air hug the hot tube wall by centrifugal force. Low velocity air goes to the center of the vortex, and is driven out through the cold tube entrance by pressure. Using big galvanized plumbing pipe (1.5 inch, IIRC), and a swirl injector that I made into a two-dimensional De Laval nozzle by filing a plate of aluminum with a fine set of semi-round files, I was able to cobble together a working Hilsch tube and reproduce the temperature plots from the Scientific American article pretty well. Now, I had a whopping big air compressor at my disposal in the ME Building at Purdue. I believe it was a 20 HP compressor, and it heated the air in the room I was using (a big room) up to over 100 F during each run. But I was able to get the cold side down to -50 C without any problem. Much later, when I had my own company, I managed to snag a bunch of commercial Hilsch tubes that were used for the purpose of spot cooling metal parts being drilled, milled, or machined on a lathe. They could get down almost to dry ice temperatures. I wish I still had them.
I like your funny words, magic man
Very fascinating! I worked for Ingersoll Rand for over 20 years, and you explained the operation textbook. The old guys who taught me made me construct one of these to learn from. They truly are fantastic little devices. Years later, I fell back on this knowledge at a steel mill in Alabama we're I designed an air conditioning unit with a vertex cooler and a 50 horse power screw compressor on top of a pilot crane. It served as cold air but also allowed the purification of the air due to carbon monoxide put off by the molten iron crucible. The operators were falling ill due to the heat and fumes. It was all mounted on the overhead crane alongside the pilot house. The operators stated that was the first time since they started in the 70s they'd had air conditioning there. Standard refrigeration units would not work because the ambient temp above the melting steel was over 130 degrees Fahrenheit. So these things are wasteful but definitely have their place. They are also used in cooling electrical cabinets running off nitrogen this cools and protects from explosive vapor build-up. I would love to sit down and ask 1000 questions from you. Cheers 🍻
That's exactly what I thought as Tony was explaining how it worked... I realized when he's talking about when the vortex turns back, the inner vortex is smaller in the middle, but the faster, hotter molecules will tend to be flung/move to the outer edge, where the slower, colder molecules will be carried along in the center into the small tube. Almost like a vortex filter...
Awesome to hear you explain that my intuition was correct!
@@sgtbrown4273 You just do not understand: The tube is very loud yes? And this special sound attracts and binds a demon who s forced to sort the hot and cold molecules to the correspondending outlets. Why? Because it is a hot/cold sorting kind of demon, silly! Thats it for Americans, heretics in other parts of the world may meditate on the powers of Thermoakustik the fallacy to try to explain those also only by pressure differences and on Schauberger building flying saucers for the US military.
@@lastnamefirstname6700 ⚠️ God has said in the Quran:
🔵 { O mankind, worship your Lord, who created you and those before you, that you may become righteous - ( 2:21 )
🔴 [He] who made for you the earth a bed [spread out] and the sky a ceiling and sent down from the sky, rain and brought forth thereby fruits as provision for you. So do not attribute to Allah equals while you know [that there is nothing similar to Him]. ( 2:22 )
🔵 And if you are in doubt about what We have sent down upon Our Servant [Muhammad], then produce a surah the like thereof and call upon your witnesses other than Allah, if you should be truthful. ( 2:23 )
🔴 But if you do not - and you will never be able to - then fear the Fire, whose fuel is men and stones, prepared for the disbelievers.( 2:24 )
🔵 And give good tidings to those who believe and do righteous deeds that they will have gardens [in Paradise] beneath which rivers flow. Whenever they are provided with a provision of fruit therefrom, they will say, "This is what we were provided with before." And it is given to them in likeness. And they will have therein purified spouses, and they will abide therein eternally. ( 2:25 )
⚠️ Quran
"Don't answer that, because I wouldn't be able to hear you"
Subscribed and notified.
same
Absokfuckinglutly
This is an awesome project. I had never heard of this before. Well done.
Thanks Grady!
Can you do a video on these?
Yeah, that would be awesome to see
stop trying to promo your channel in Tony's comments
PA Can you do a video on the subject?
You and AVE made me fall in love with machining, before i loved turning spanners now i want to make my own spanners
Not me trying to figure out how you were making Spanners on a lathe
Who is AVE?
@@quartfeira I don't mean to be rude, but the search bar is right up there ⬆️
@@williammoriarity7411 i was having some trouble to find his channel, maybe due to my UA-cam setting (geographically i mean). Found it, anyway.
@@quartfeira Arduino Versus Evil. He's that foul-mouthed Canadian youtuber.
I immediately noticed that, per the diagram, your rough-cut parts were the wrong color. It might work better if you fixed that.
I get so carried away at times I completely miss the obvious. Thanks Dr!
no GOD BUT GOD....What Is Islam?
Islam is not just another religion.
It is the same message preached by Moses, Jesus and Abraham.
Islam literally means ‘submission to God’ and it teaches us to have a direct relationship with God.
It reminds us that since God created us, no one should be worshipped except God alone.
It also teaches that God is nothing like a human being or like anything that we can imagine.
The concept of God is summarized in the Quran as:
{ “Say, He is God, the One. God, the Absolute. He does not give birth, nor was He born, and there is nothing like Him.”} (Quran 112:1-4)
Becoming a Muslim is not turning your back to Jesus.
Rather it’s going back to the original teachings of Jesus and obeying him
@@ahmdabdallah5811 umm how is this at all related to this comment or video?
@WalterRamjet HeroOfOurNation this is literally some spam bot i suppose
You know, I was going to thumb up this comment until about halfway through; when it became kinda obvious that you were exactly the same as the other guy except of a different faction. Let me be very clear: ALL your religions are nonsense. The Egyptian Book of the Dead described many core aspects of the christian myth (the three wise men, for example; and the fable of Lazerus) thousands of years before your imaginary prophet was invented. You talk about theft and making shit up? How ironic.
When are you credulous imbeciles going to take your heads out of your arses, stop pleading with thunderstorms and take your place in the modern scientific age?
oh. so it's the opposite of the turbine engine. instead of putting thermal energy in and getting air pressure out, you put air pressure in and get thermal energy out?
It is the same as high bypassed turbines on airlines that have a jet fuel compressor in the tail that drives the jets that use the vortex to produce the heat to drive the engines.
@@thomasmahoney9748 "She's the girl who makes the thing that holds the oil that oils the ring that holds the shank that works the crank, tgat works the thingummybob"
Probably not still reading these but I never knew these existed. I've been a fan for a year or two and this is the first time I've seen this one. This is freaking amazing.
With a Vortex Tube, you actually ARE trying to "split airs".
Peter, that comment really should have garnered top votes.
So it is like milk separator. Denser air is in the middle (cold)
What I would like to know is how the composition of the air changes - one of the ends should be more oxygen enriched.
Funnier than the Old guy... Isn't that, like, trooling? DJT
...ahem
We used these vortex tubes in our sandblasting suits. We sandblasted outside in the middle of summer at 105F with heat index's of 115F...me in my sandblasting suit...and I never started sweating. I could be out there all day long no problem. These tubes are black magic.
We just had it attached to a plate which was held onto us by the belt we use to keep the suit tight on you. The plate was roughly shaped to a human back and it fit comfortably and kept the extremely hot tube from melting the suit or burning bare skin if the suit moved.
Hey tony, we use this in the factory I work at. I'm a industrial maintenance tech. If I happen to get ahold of one I'll send it to you, if that's what you would like
Tristan Towmsend what do you use it for?
@@magnum0121984 probably black magic
@@magnum0121984 could you do friction fitting? If you have 200 C air to heat the hole, and -50 C to cool the bit to be inserted in said hole. No need for a blowtorch?
@ its signed out and permitted with items from scrap...
AvE sent me here and I've been stuck for hours now.
Schnot what video of AVE was it please would like to watch it
i just cant not one bit
It was a $500.00 German angle grinder vejayo, This one was one of AvE ' s intermissions. Sorry, I have forgotten the German company name.
Metabo maybe
Fe i n
The reference to AvE at 15:00 👍
Thanks for bringing this up. Nice presentation. Here is my take.
(1) gas a compressible substance gets hot when compressed and conversely cool to decompress, in case we didn’t recall that before we read this.
(2) a secondary compression (first by air tank) take place when gas were pushed (compressed) against the chamber wall by an induced force, centrifuge force.
(3) given inlet as port 1, if we plug (cold) port3, then (hot) port3 outputs a mixed hot-cold gas at a lower than ambient temperature due to (A) heat pre-loss on chamber tube wall from centrifuge-compression and (B) the pressure drop from port1 to port2.
(4) the cone shape valve at port2 is used to separate and release the hot (centrifuged) gas apart from the less hot gas (vortex) in tube core, also shaped to improve transition of gas from intermediate (neither centrifuged or vortex) to low a (vortex) flow.
(5) it should be noted that port3 gas temperature drop isn’t just due to vortex but include pressure difference between port1-3.
(6) optimal port temperature difference is influenced by centrifuge radius, axial length, swirl ports geometry, flow ratio port-2-3. When chamber (tube) hot spot migrated down streams towards port2 and t diff is less than optimal, it is a good sign chamber wall is too long.
(7) optimal temperature difference require to control play with flow exit gas volume ratio at both port2:3.
(8) reducing chamber radius from a larger near port1 to smaller towards port2 linearly (funnel shaped chamber) can be consider for performance enhancing. While a nonlinear radius to radius transformation (inverse exponential, the coin funnel shape at science museum) can be a good way to go.
I wish my machining skill and might be like - this old Tony.
wwjd 40 is the funniest thing I've seen all week
Wrong...
...try WD-43
@@johnlarryedward Pure mental stimulation in a can? (ua-cam.com/video/JhHP3hP_0Pg/v-deo.html)
agreed
As a non native English speaker, I didn't got it first. So, for those like me, here his the meaning : What Would Jesus Do. And from now I won't be able to use WD40 without a big smile... And the best is that he must have spent hours to make his beautiful can, see 4:17. I can imagine him giggling internally during the whole process...
@@gilbertcabasse6168 Lol I didn't get it at first either, despite being a native english speaker. What's your first language?
Great vids. Love your sense of humor. Back in the days of carburetors, mechanics used to use a small one of these devices for the purpose of cooling off the automatic choke spring so the choke could be adjusted even after the engine had been warmed up.
Totally inspirational! i'm with Tikki on this. Have worked with wood and metal all my life in a "low fi" way but when i watch a video of yours i just start twitching to go and build a monster, i need a machine shop!
You have a rare gift for teaching & long may you carry on! Thanks so much Stubby (UK)
The phone calls with AvE are hilarious. Interesting build. Smoke coming out of my ears considering practical applications.
it's so expensive because each one of these tubes houses a Maxwell's demon!
Abom, ave, and clickspring all referenced in one video with heavy sorcery involved. I thought these couldn't get any better
I'm not a machinist, not really interested in machining, have no desire to start machining, but man I LOVE YOUR VIDEOS.
Thanks for sharing and making me laugh my arse off.
ha! thanks tricky, glad to have you watching.
Even with all of those tools... I would just stare at them. But I love watching
I've stumbled upon this video by accident and was really surprised by how good and subtle the humor is. Keep it up.
Phone calls 1 & 2 were easy to identify...#3 took some spring-clicking before I clocked the answer.
But who were they??
Abom79, AvE, and Clickspring.
To answer that, as Tom Waits would say, we have to go all the way back to the Civil War. If you haven't already noticed, Tony occasionally references other popular UA-cam machinists in his videos (usually Stefan Gotteswinter, which I find hilarious). This time around, he receives phone calls from three other machinists.
By doing this, Tony is providing a vehicle for those of us "in the know" to feel special...like we're part of an exclusive club. Granted, it's the kind of club whose members spend way too much time watching UA-cam machining videos, but I'll take my exclusivity where I can get it. AKA, "the inside joke".
The downside to this kind of exclusivity is the necessity for a portion of the viewership, like yourself, to have no idea what's going on. It's a crummy position to be in, but you can take solace in the fact that your ignorance provides the rest of us with a fair helping of smug satisfaction.
You sir, are the foil. Your kind has a tragic nobility that causes the rest of us to feel the slightest bit of envy behind our giggles. But mostly smug satisfaction.
Quiz on Tuesday.
Nice.
This humble foil always appreciates a well crafted insult, no matter how encrusted with Cheetle the author may be.
Mr. Brown,
Whilst your given name suggests a long-standing relationship with the burden of being a foil, in this particular case you knew the answer to the question asked. Am I to assume that you are so accustomed to being on the wrong side of a joke that you were flummoxed by the surprise of finding yourself on the right? Or, out of habit, were you simply reaching out and claiming the title?
Whatever the case may be, I have every confidence that you will clear this up in a manner befitting a man of your obvious refinement and poise.
My cheetle may be deep and wide, but it's no match for the particularly persuasive piercing point of truth.
Yrs,
K. Trigger
6:03 "not perfect, but close enough for -the girls I go out with- what I need"
Glad to see that you were able to help out Abom. There's no helping AvE. He's in a permanent state.
ha!
This Old Tony
I would like/how could I send you a commercially bought vortex tube for a comparison video.? ...???
Laughing and learning again. I always love a quick swing by your shop, Tony. Thanks again for all your hard work, bud.
Did you only use genuine interociter parts?
can't say for sure, they just started showing up in the mail.
It's the amazing Technicolor cheese wedge
Thankfully it's compatible with snapple.
I've just been using mine to make hot chocolate!
Is this metal? I've got a bet with Joe.....
"Outside the scope of this video" never gets old.
I wish you were us, and had to wait for your next amazing video to come out... it's so difficult!
ha! doin my best Tikki, thanks!
You're hilarious.
You are breathtaking !
You are my hero
@@quek9848 I know. Thank you
@@Kawka1122 not u -_-
@@quek9848 oh, don't be shy. I know that you meant me 😏
Loved the Django.
I was able to play with a prototype Hilsch tube about 35 years ago. It was small, it was dirt simple, we had essentially unlimited air st 175 psi, it worked very well, with exhaust temperatures cold and hot enough to be dangerous to the operator. Oh, and it was LOUD!
The friend who had it, Dieter Lezius, was a German physicist who did research for Lockheed. He told me it worked like a tornado, the vortex becoming very small and fast rotating where the flow split into two streams due to compression and the cold side by expansion, and the law of conservation of energy making the thing produce equal total energy gain and loss at the opposite ends at equilibrium. To me it was a fascinating toy, and this is my memory of what I remember my sailplane buddy/mad physicist telling me way back then...
Just looked him up, he was still at it in 1994:
www.isope.org/publications/proceedings/ISOPE/ISOPE%201994/Abstract%20Pages/I94v3p447.pdf
Interesting, thanks Bob!
@@ThisOldTony
My intuition was that the most energetic (hotter) particles would be flung to the walls of the tube, whereas the less energetic (colder) particles would "fall" to the centre, where they would then be deflected out towards the cold end, when hitting the flat surface, of the nozzle at the hot end.
If there's any truth to that, then it would likely make sense to move the nozzle to where the tube gets most hot, which was also where the vortex started losing momentum towards the hot nozzle.
And if that also holds true, then the smaller the inner tapered diameter, the colder the air that is deflected, which would also decrease the flow that comes out of the cold end, but should make it colder.
I didn't even consider thermal expansion, as mentioned in the above answer, but that takes away heat in the same way as the compressor in a refrigerator (as you probably know), which likely also cools the deflected air even more.
I think that the choice in the tapered part, was a good one, because it's not as good a conductor of heat as aluminium is, which likely adds to efficiencies of the system, because you don't heat the deflected air as much, when it's deflected.
I have nothing to base the above on, though - so pure speculation.
The all-knowing Google machine sent me here because I am looking at these for work. Seems like the best option other than a literal air conditioner to cool electrical panels for box carburizing furnaces. Any fan or blower is going to pull in hot air from the environment, we already have a compressed air system for pneumatics around the shop, and, again, mounting their own air conditioners to these panels (maybe two dozen) is impractical especially when those air conditioners would need more maintenance than these tubes.
Ave and tony should meet if they havent already(15:05)
i thought the ave and abom calls were hilarious. Wasn't sure who else would catch it.
who is Chris? is that that CNC guy ?
Chris is Clickspring. He's a clock maker and his channel is right up there with the best
Poncho likes bacon did he say Chris to nod of the fake phone calls?
It was only due to this video that I looked up Clickspring. I agree that he is among the best. A master craftsman.
LOVE the MST3K interocetor reference. This video needs more sciency stuff like oscilloscopes & jacob's ladders.
TOT: "I could be building an interocitor"
Me: Google interocitor
Me: LOL
Me:
This was a huge success! You're too modest, you absolutely proved you did it right :)
I love the AeV reference at 15:08 :P
And also dont forget the poke at Adam from Abom79 if im correct :P
Well I didn't get that reference but the aev one was obvious :P
WTF, its AVE!
well with a brain the size of a planet its no surprise, even if you feel like no one appreciates you, I appreciate you keeping Zaphod at least sort of annoyed.
tm
No... it's AvE 🤣
Units similar to this are used to weld plastic. We have them all over the shop to weld PVC and polypro. They are hand held, roughly 8" long, and about the same diameter as a soldering iron. They usually run them on roughly 90 p.s.i. They have a feed tube to push in welding rod of the same material as being welded. Just discovered HF sells one with a built-in air motor.
I had never thought that I would here about an interocitor on this island earth again. Thank you for your content, it is inspiring.
Being a refrigeration guy, my guess would be that the vortex compressed the air more in the middle of the tube and as it comes out the “cold” side it evaporates... might find the answer to how exactly it works in gas law. Air is classified as a refrigerant according to my last chem professor though I don’t know what designation number it has.
Popular Science, IIRC, had plans for one in the 1960s. That set of Navy plans look just like what they published.
I remember that.
Actually it was in the mid 1970's. I built one in brass when the article came out. I was only able to get a 10 degree (C) differential between the hot and the cold but it definitely worked. Here is a link to the article from Popular Science October 1976.
books.google.com/books?id=HwEAAAAAMBAJ&pg=PA123&lpg=PA123&dq=popular+science+vortex+tube&source=bl&ots=SHpjJjHvdN&sig=W9W1PJRRhUJ0JOBrgWOFhhiM21o&hl=en&sa=X&ved=0ahUKEwisitPz3bnPAhWGmh4KHX-pBlgQ6AEIRjAA#v=onepage&q=popular%20science%20vortex%20tube&f=false
Millard Mier Nice! But that is a newer and different article than the one I was remembering. The one I had in mind may have been in a different publication or a book on projects. The drawings were like the Navy plans he showed in the video, as in the same pictures (or dead on close), with a nautilus-shaped swirl chamber.
Since you peaked my interests I went searching in the Popular Science archives in Google.
Jul 1969 www.popsci.com/archive-viewer?id=FyoDAAAAMBAJ&pg=61&query=vortex%20tube
Nov 1947 www.popsci.com/archive-viewer?id=aCQDAAAAMBAJ&pg=190&query=hilsch
May 1945 www.popsci.com/archive-viewer?id=KiYDAAAAMBAJ&pg=145&query=hilsch
Apr 1950 www.popsci.com/archive-viewer?id=DC0DAAAAMBAJ&pg=134&query=hilsch
I am guessing that the two articles from the 1940's are the ones you were looking at.
Looking more carefully, I am pretty sure that the plans I used (in about 1976), were from the Nov 1947 issue. I remember as a teen spending a lot of time in the local college library basement stacks looking at Popular Science and Popular Mechanics issues from the 30's 40's and 50's when home shops were all the rage. I learned a lot, but very little of it was useful :)
Stand up comic with the telephone routine? The color works the CAD was well done. The vortex tubes were truly magical!
I am catching up on older vijeos. And congratulations on 100K Subs Tony. Really love your humor
Trying to figure out the principle of operation was a bit perplexing at first, but looking at the setup of the tube and referring to basics I think a fairly simple yet accurate explanation can be offered. The cold and hot ends represent two exit ports and there is one entry point. So we have a high pressure gas trying to escape to atmosphere via two vents. If air flows through only one port, you wont get the effect necessary to generate a temperature difference. Sufficient air must flow through both exits to create a temperature difference.
After the gas passes through the swirl chamber and enters the hot tube, the gas initially occupies the periphery of the hot tube. The first point of exit the pressurized swirling gas encounters is the entrance to the cold tube. Due to simple pressure difference, some of the air migrates from the periphery to the center of the hot tube and escapes through the cold end to atmosphere. That migration of air from the periphery to the center, creates the reverse flow in the center of the hot tube. The remainder of the air in the periphery flows forward and goes to atmosphere via the hot tube exit. Both gas streams are rotating in the hot tube.
That migration of air towards the center is also responsible for the temperature difference. In any rotating mass of gas the periphery rotates fastest and the center slowest. Therefore the kinetic energy of a rotating mass of gas is highest at the periphery lowest at the center. So when air migrates from the periphery to the center of the hot tube, the speed of rotation of that portion of air slows down. That process of slowing down produces heat, so there's a conversion of kinetic to thermal energy (a comparable phenomenon would be Bremsstrahlung radiation). The heat is emitted from the center flow stream resulting in temperature drop in the center of the hot tube, and the periphery absorbs that heat with a consequent increase in temperature.
UA-cam Algo sent me here after the LTT vid on vortex cooling
Used one many years back while cutting tungsten wires. We were making pin printers for lottery tickets and the tungsten wires would melt the plastic head surface when the diamond saw was used. So we super cooled the wires....problem solved. No more melting of the plastic causing ruined product. Anyway good job. Oh the vortex we used was pretty small, but worked great like -15 farenheit.
This is some black magic right here, I'm super impressed.
In one of your last videos you traveled in time. Now you are creating a vortex. What comes next? A homemade black hole?
If all goes well. * Sinister Laugh *
This old Tony- inspiring- very interesting and superbly presented!
We used the commercial version of these devices at a government place where I used to work. It was used to cool electronic equipment in remote locations that had access to compressed air but we did not want the electronics exposed to the local atmosphere that you get when using cooling fans. The cold side was exhausted through a copper coil so no compressed air was introduced into the sealed cabinet we were cooling.
We use vortex tubes to keep field control boxes cool. Hook it up to plant air and keep the PLCs cold
i have a comercial one. Easily get to negative 20 adn 220 degrees. Restricting the hot air but having it flow slightly makes it HOT. Opening it more and more gets your cold air COLD. YOU NEED 90 PLUS PSI. You need cfm too. awesome vid
This is awesome!
What would be really cool (sorry) would be to introduce some moisture into the air going in so that it condenses out the cold end looking like those contrails you sometimes see coming off the trailing edge/end of the wind flaps of an aircraft landing in humid conditions.
you can also use the vortex tube to separate liquids by density. or even suspended solids in a liquid to concentrate the soilids.
Tony, I just elevated you to "God" status for the WWJD-40 joke. Hilarious.
Oh my God this is the first video I ever watched from you when it came out wow this is some memories
Haha! Lost it at the phone call.
First time I ran into a Vortex tube we were installing a thermal imaging system into a boiler and needed a way to cool the camera. Someone had suggested a vortex tube. Till that time I had never heard of one and couldn't imagine how shop air could generate the cooling needed to do so. Seemed counterintuitive until read about it. Still not certain I thoroughly understand the thermodynamics behind it but it works
The smooth operator was absolutely on point
"You've got your what in the vice?"
Man, i've been watching youtube for years. "You're really paying for the black magic they put inside" was the first time a video had me belly laughing. This fellow that keeps a sonic screw driver in his tool for those that say i did nothing on a repair just liked amd subscribed. I look forward to sering your other videos.
Was the background music an acoustic version of Stevie Wonder's "Sir Duke?" The chromatics kinda sounded like it.
haha! I noticed that too!
Never would've guessed! Maxwell's demon is afoot, on the other side of a cold day in hell, severing up all that hot air. Great physics demonstration.
the metal feels hotter because of its thermal conductivity. It transfers heat faster into your hands when you grab it.
Thank you for taking us on a journey to rediscover our inner childnerd. Subscribed!!!
I love the comment re an interoceter. I wonder how many of your viewers also know what one is?
Can you build one of those next? Beware eggheads! :)
Very few would, I'd guess. But now that you bring it up, it'll be googled to death ;-)
Look to your sky for a warning !
Considerably more than I thought would when I heard it.
I used a vortex tube every day at my previous job. Look up 3M PAPR SA-100-PSK Versaflo Painter's Supplied Air Respirator Kit.
They come with part# V-100 Vortex Cooling Assembly. If you google some images of the V100 you can see its pretty much exactly what you built (externally) except shorter. In the image, at the 'bottom' is the silver adjusting knob. The hot air escapes around this knob. At the top of the unit (cold side), you will see a long black curved tube. This is just the plastic adapter to hook into the air tube going to the PAPR helmet. Not integral to the vortex function.
I always wanted to take one apart to see how it worked. But only ever had pliers and cuss words handy. Plus, this supplied me with nice cool air, in a 100+F room.
The electronics factory I worked in used one of the little Exair units to get cooling air to use on electronic components instead of freeze mist when debugging and it worked well, but the guys found the cans more convenient - no air hose was one factor. Of course we had a large compressed air system with several (3?) large air compressors - they need a lot of air.
One thing I know as a diver seeing 200 bar cylinders drain and pressurise , when you lose pressure fast, it gets cold, and when you increase pressure fast, it gets hot. For some unknown reason I think of a fridge? I strongly suspect your vortex is nothing more than a mechanism to apply the cold effect of initial pressure reduction from source, and the hot end is an effect of re-pressurising to some extent the depressurised air. I'm not convinced this is black magic, sorry :) Other than than, damn good piece of engineering, dang I love your videos.
Besides you're awesome work and projects I love the oddball humour. Nice to hear an AvE problem on the phone :) Please add more of them to your newer videos!
I saw these used to cool control equipment on a newspaper mailroom floor in the event of the main ventilation failure. Sounded like a firehouse siren when it ran. PV=nRT!
This is cool it makes perfect sense how this thing works never thought of it before. This is as cool as a Venturi
I liked it when you pull started the air hose reel.
Keep your stick in the vice ;)
I can attest to the cooling aspect at least. I did large scale abrasives blasting and our positive pressure hard hat/breathing hood had a vortex tube in line for cooling and comfort. It would get cold enough to take your breath away and cause condensation to drip.
+20 points for the Interocter joke. That made my day. Just be sure to be careful, or you might end up a refreshing mint flavor.
To T.O.T.. I really enjoy these videos. Not only fascinating theory but great practical application as well with a bit of humour hot top it off. Please keep them coming.
Jeffrey
Hey Tony, can I be your apprentice? I’d carry your tools, clean up shop, run errands, answer phones and get your lunch. I could just lay a futon on the lathe so I could gain knowledge by being close to it.
On a serious note, I’d really like to learn first hand from you. I enjoy the content, this channel is my favorite on all of UA-cam, minus the world star videos, those are full of knowledge too. Lol
Your instruction and comedic delivery is great keep it up and I’ll be a lifer with the hopes of receiving a “This old Tony” scholarship at some point. Cheers.
I'm having a shitty day and your 'I wouldn't be able to hear you' joke just made me laugh. The rest of the video was entertaining and extremely educational as well. Please don't ever stop making this awesome content!
Anhydrous ammonia supercoolers use a very similar device to gasify liquid ammonia as well as separate ammonia from vapor. Pretty interesting science!
I don't think anyone has a full explanation of why it happens, but it is well documented how it happens.
What I remember is that 60 psi at a hole 1/3 from one end will produce the effect.
Goddammit, never thought I'd see how a Maxwell's Demon is made. Love how smoothly you violate laws of thermodynamics.
Buddy!
There is no THERMODYNAMICS, from the word "absolutely" for you to understand! There is only a wrong understanding of the world (as a result, loaded into your brain from birth!). Everything works a little differently!
Please address your complaints about the quality of the translation to UA-cam!
@@Eugen_Belyaev woooosh
WWJD40! Haha!!
Four references to WWJD40 so far, but I have no idea what the joke is. Take some explanatory pity on a newbie please...
Had to Google it myself - think it's a US thing, Stands for "What Would Jesus Do?"
I think a way to explain this in Layman's terms is:
Put your hand in front of your mouth
-Blow air on it with nearly closed lips (a tight O)
-Blow air on it with completely open lips (a wide O)
Notice how the air with closed lips is cooler (smaller exit), whereas the air with the wider lips is warmer (larger exit).
FilliamPL
Correct me if I am wrong, but are you describing the Venturi effect, viz, the faster the air flow through the smaller the opening, especially if the opening is an inverted cone shaped, the kinetic effects of compressing the vortex produced equals heat ...?
Ok, so let me know if I get this wrong ...
The compressed air enters at a particular velocity, which is then converted into a vortex by the ring of holes.
But then what happens is that vortex creates a column of air, but which is moving at two different speeds, at the same time; the air closest to the tube wall heats up because it is moving faster due to laminar air flow and (maybe ...) surface tension holding it against the tube wall, whilst the airflow in the middle is moving much slower; the cap at the end is cone shaped so the faster, and thus hotter air get pushed out, but because of the orientation of the cone, the slower, colder air, gets rebounded into the tube, and is pushed backwards, so to speak. Thus, because you are creating a counter-flow of air, and heat flowing backwards gets even colder, as the laminar air flow absorbs any heat coming from it, making it even hotter. So by the time the counter flow of air exits the other end, is has significantly chilled down ...
So would this mean it is a Stirling Engine, in reverse, but the only moving thing is just the air ...?
Or am I talking complete testicles/manure from a male cow ...?
I have used those on industrial sand blasters all the time on the helmet supply line to cool the air in the summer and warm the air in the winter. Always wondered what kinda voodoo made them work
the basic principle .... is it is a resonating tube ... those heat at the ends and chill in the middle ... by restricting one end with a cone and leaving the other essentially open you force the hot to the cone end where compression heat takes over and the other end uses airflow to cool by speed ... if the outlet cold air tube was conical it would cool more ... it is essentially a ramjet engine with 2 exits ... you RAM air into the jet and it goes its merry way compressing and heating or flowing fast and cooling
Excellent job on the Solidworks simulation. And the total build.
Hey buddy, love your humor, and your geek-itudity. Bravo!
AFAIK (secure source 👏) the vortex sorts fast and slow air particles centrifugal.
Those with high velocity are driven more outward. Like an ashsole that has to pee, they use their elbows to get outside - bigger hot air flow.
The slower particles are pushed, sucked, and everything else you do with wimps. It's easy because they're weak. That's how they simply get moved and ejected - smaller cold air flow.
Why don't the temperatures mix back together? Because they rotate in one direction. The sorting "state" stays in link until some air sufficient leaves the tube. Like you'd get drowned under a waterfall - the water flows (even fast), but you more or less stay at the same underwater place and get pushed down.
Right, wrong? Somebody?
Just discovered your channel via AvE and his METABO GRINDER published Oct 2, 2016. Pretty skookum 👍
Hmm, you are right that going down the rabbit hole creates more questions than it answers
I believe I have a paper that covers some dimensions, at least relative to each other. The hot tube should vent at the hottest point. Shorten it to just beyond the hottest point and test again to see if it moved. If not shorten it further to the hottest length.
If you are not trying to use it for heat (which would be pointless when a heat gun is available), the aluminum tube will help disipate heat, so is good.
It works by compressing the outer stream of air, giving off the heat, and expanding the now cooled inner stream. Basically just like the refrigeration cycle.
1:04 cracked me up. You don't hear MST3K quotes that often. Good job.
Thanks. I'm certain there are many variables to consider for maximizing the desired results. It's an interesting experiment.
Chris calling for the time nearly killed me
JT effect. Because energy is constant, when one form of energy increases another has to decrease. Since temp and pressure are two forms of energy, a change in pressure causes a change in temp. If you increase pressure you increase temp and vise versa. One vortex increases pressure, energy is constant so more mass with same temp being compressed together causes more collisions of the molecules thus increasing temp. It’s why your discharge line on your air compressor gets hot, and why the nozzle gets cold when pushing lots of air through it. Same principle your air conditioner works off of.
Directed-energy weapon. Check Mark! Now we just need to make it a telecommunications device,
aircraft autopilot,
surveillance, and security controller.
You seem to have a decent amount of equipment, so I imagine you could make a jig for a shop press that would allow you to stamp impressions on the inside of an aluminium tube. The reason I mention this is you were speaking about a smooth airflow, and to get a truly smooth air flow, a flat perfect surface isn't the way to go, it will give drag. But if you look at a golf ball, that has a very smooth air flow due to those dimples. (The dents in my old car didn't have that effect unfortunately, guess I didn't really need them) If you dimpled the inside of the tube like a golf ball by inserting a stamp through the tube and fixing it by the ends to the press, and rotating the tube each time you stamp the dimples into it. On a car surface this increased the efficiency of a Porsche GT3 Hybrid sending back telemetry to David Suzuki by just over 23%, just from that smoother airflow and less friction or drag. And it would give you something to do in between calls! I wonder if an Olympic runner were to sandwich themselves between some little bumps to dimple their skin could increase their speed? I was relaxing at my daughters with my legs up on one of those inflatable exercise balls that had half inch teats all over it. It left impressions in my skin that lasted a lot longer than I thought and I swear I was riding at about 29mph rather than my usual 21-22mph cruising speed. Honest...
I always wondered if it would work on a condom as well it did on a car...for lack of friction not for speed.
The cap at the end is the most important part. You are focusing too much in the the way the fluid flows. It's just the difference in pressure. One exit is almost the same diameter as the exit of the compressed air. But in the other side the cap leaves a narrower way for the air to pass and it compresses it again. If pressure rises temperature rises. Try the thermal camera as you move the valve. Great machining skills!
Interocitor reference... You won the internet today!
Dude!! brilliant videos don't stop making these videos....theyre truly awesome...keep em coming.