Water-Cooled Jet Engine in Plastic
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- Опубліковано 25 тра 2022
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Water-Cooled Jet Engine + Templates :social.thangs.com/m/74561
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if your water cooling, intake goes on bottom and output ontop so your device totally fills before it can empty that way you dont end up with air pockets which dont cool anything.
Try this with a aquarium water chiller to keep temps even lower. Tomatoes are disgusting!
As someone who works with liquid hydrocarbon on the daily, I just about had a heart attack when you said you were going to use it as coolant for a sparking fireball engine
Hey Joel, I just noticed that the electrodes are probably causing a lot of heat transfer to the resin. Maybe try a ceramic tube or slip coating to isolate that heat from the body part.
Now try this with liquid nitrogen and metal 3D print to keep temperatures even lower!
I can't believe you used liquid butane to cool a combustion chamber made of plastic, that was brilliant! 😂
Try to make a controller, this is what we actually use even in the early stages of jet engine builds. This helps a lot to understand what is going on inside the engine and by comparing this data with your design and materials used, you will know what is the problem and how exactly it can be solved. Helps to minimize the time you waste on prototypes and obviously the cost of materials used. the most basic one would include at least 2 thermal sensors (we use 2 at each stage of the engine for better results, but it's not really necessary for your needs), in your case 1 would be used inside the engine and the other one on the nozzle (just an example, you can play with it), AR sensor that would show the exact mixture (this will allow making it more efficient (by that I not only mean consumption but also temperatures (that are quite important in your case) (because the good mixture will decrease temperatures of combustion), air flow sensors (show the speeds of intake air etc.) and the last but not least is flow/consumption sensor (but it mostly used for liquid fuels, so not sure if it would be helpful for you.
Should use a ceramic spacer/O Ring to hold your diffuser to prevent the heat transfer from the metal to the resin/plastic
The butane coolant was a great idea. It was perfectly effective at producing content
Hey integza, I had the same idea as you a couple years back and designed a water-cooled jet engine as well, but due to not having an SLA printer i was unable to give it a try. I designed it with a spiral water cooling and perfectly sized walls so that maximum cooling would be created. If you want I can send you the files if you are interested in trying out my design. Just let me know. :)
It would be interesting to watch it run with a infrared camera and see the efficiency in each design change.
Love it! I had recommended water cooling over a year back, so glad to finally see it attempted. Oh, and using the fuel to cool the engine is pretty much what NASA used to do, they cooled the bell nozzle (and I think the chamber) with the fuel before sending it into the chamber. Of course, they had a much higher flow and systems that could handle MUCH higher pressures, so it might not be a great idea to implement in plastic.
Some Ideas:
Don't forget to vent your cooling loop (so that there are no air bubbles in the loop). That increases the cooling efficiency. Also you can try to utilize the fine internal structures you can create with SLA to create a unibody engine, eliminating the mount which will always be challenging to watercool. You can even do some flow simulations to find the form which best circulates the water without any hotspots. In your current solution the flow seems to not cover the whole engine.
using butane to cool a combustion chamber is a Darwin award in the making
You accomplished what I would think impossible. A Combustion Chamber made of plastic/tesin. I'm thoroughly impressed. Thank You for sharing this.
I think you should make a nice pair of safety glasses to protect your eyes from exploding plastic jet engines. After that you could look into cooling jet engines with something like liquid nitrogen.
@Integza: you should build a shredder to destroy all the tomatoes.
I'm really glad you make these videos as you so, it's super fun and I learn a lot for both you and the comments. Cheers mate