Understanding Laminar and Turbulent Flow

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  • Опубліковано 27 вер 2024
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    There are two main types of fluid flow - laminar flow, in which the fluid flows smoothly in layers, and turbulent flow, which is characterised by chaotic motion and large amounts of mixing. In this video we explore the differences between these two flow regimes. We'll cover how Reynolds number can be used to predict which flow regime will occur for a specific set of flow conditions. And we will look at laminar and turbulent flows in pipes, and how the flow regime affects the pressure drop in a pipe. We'll also investigate why it is so difficult to simulate turbulent flow, and we'll look at some of the different Computational Fluid Dynamics methods which can be used to simulate it.
    ---
    If you would like to support the channel, please consider becoming a Patron - / efficientengineer .
    This will allow me to create more high quality videos covering a range of engineering topics.
    ---
    The Efficient Engineer is a channel aimed at mechanical and civil engineers. The mission is to simplify engineering concepts, one video at a time!
    Follow me on Twitter: / efficiengineer

КОМЕНТАРІ • 536

  • @abradablincoln3052
    @abradablincoln3052 4 роки тому +503

    You do such a great job explaining engineering principles. Especially with your good quality and simple animations. I’m currently learning Fluid Mechanics, and this is easy to understand and interpret. I think you should really start your own online learning program in which you continue to teach these fundamental engineering principles. Like statics, mechanics of materials, structural analysis, fluid mechanics, dynamics, etc. Keep up the good work !

    • @thomastorku9002
      @thomastorku9002 4 роки тому +9

      Can't agree more. Very good job indeed.

    • @pandaa321
      @pandaa321 4 роки тому +6

      RIGHT. This subject is difficult. My professor just derives formulas in every lecture and I never know what he's talking about. These videos are so helpful and make the subject 10x more interesting!!

    • @mathew66
      @mathew66 4 роки тому +1

      What uni u at?

    • @anonymousperson2744
      @anonymousperson2744 3 роки тому

      @@mathew66 Does it have to be a uni tho- I'm not even done w/8th grade and I have to research this U_U

    • @mathew66
      @mathew66 3 роки тому

      @@anonymousperson2744 ye ur right. Hope u enjoy it and get inspired to become and engineer. Look up Bernoulli’s principle for some interesting stuff.

  • @pramodn9077
    @pramodn9077 4 роки тому +1842

    It feels criminal watching and learning from these videos without paying for it. Absolutely 10-star quality content.

    • @albertsitoe7340
      @albertsitoe7340 4 роки тому +10

      So true

    • @raynold1021
      @raynold1021 3 роки тому +46

      No worries, UA-cam paid for you. Besides, no one loves knowledge nowadays. So click on it.

    • @ArifKhan-ns3sh
      @ArifKhan-ns3sh 3 роки тому +2

      Exactly 😂

    • @gabriel_gelli
      @gabriel_gelli 3 роки тому +15

      Consider becoming a Patreon too! You even get Summary Sheets for a few of the videos!

    • @pramodn9077
      @pramodn9077 3 роки тому +15

      @@gabriel_gelli Thanks. I was not aware of the Patreon link. I have become a Patreon now. It's the least we can do to support the channel.

  • @SabbirAhmed-vr6mo
    @SabbirAhmed-vr6mo 4 роки тому +198

    You have such a class of making other people understand. Actually every Engineering student will agree with me that no Professor can illustrate the topics so easily & a proper way to Understand. Thanks a lot 😍

    • @TheEfficientEngineer
      @TheEfficientEngineer  4 роки тому +18

      Thank you, appreciate it!

    • @souvikroy6237
      @souvikroy6237 4 роки тому +8

      because he is explaining so little to you in this video.....if he had to teach you that subject in details you may have find him the same as a professor.
      these thing are really hard if sufficient amount of it is given.

    • @souvikroy6237
      @souvikroy6237 4 роки тому +3

      but undoubtedly that explanation is stunning ❤️

    • @SujalRajput10
      @SujalRajput10 3 роки тому +3

      I think its just a matter of content and time. It would have taken him hours to condense all this knowledge in a 15 min video. That's without adding the time taken in animations.
      In a real class this would not work unless you want to finish your 1 year course in 5 years.
      Plus most professors will take the time to make sure that at least 3/4 th of his class understands the topic. He will sometimes add questions in between the lecture to make students understand the lecture.
      And he has to do this for your whole academic year.
      So it's wrong to say your professor is worse than the narrator of this video. He is doing his best, with what he has.

    • @undefined.infinity3106
      @undefined.infinity3106 3 роки тому +4

      nowadays professors are only focused on problem-solving. not a clear understanding of how the equation works, how the theory impact on real-life principles. that's why these types of videos are lifesavers. professors never try to put these types of effort into basic understanding. cuz at the University they only focused on the exam-oriented syllabus. not to disrespect the professors but in reality, if you want to learn more deeply sometimes you have to be disappointed in your professor

  • @jonathanvogt2
    @jonathanvogt2 3 роки тому +65

    I'm a CFD engineer and I'm always looking for accessible ways to introduce fluid mechanics and CFD to people. This is a great summary :) Well done.

  • @vishalgawde5406
    @vishalgawde5406 4 роки тому +63

    Whoever you are....simply stunning!! Really great effort towards establishing this UA-cam channel & I'm pretty sure that your channel going to rock on soon🔥🔥🔥

  • @stevesmolik24
    @stevesmolik24 6 місяців тому +4

    Wish these videos were available when I was getting my undergraduate degree in engineering 24yrs ago. They are great!!

  • @pablo_CFO
    @pablo_CFO 4 роки тому +224

    "Turbulence is the most important unsolved problem of classical physics"
    -Richard P. Feynman
    "When i meet god, i am going to ask him two questions: why relativity? and why turbulence?, i really belive he will have an answer for the first one"
    - Werner Heisenberg

  • @anyanyanyanyanyany3551
    @anyanyanyanyanyany3551 4 роки тому +24

    I've seen some of your videos and I can confidently say that even after graduating from university, I'm still learning much of the basics from your videos. You clearly explain theoretical concepts well without getting too convoluted and technical in the mathematics and equations. Thank you for your hard work.
    I won't be surprised if in the future, you would branch out to more specific disciplines such as mechanical, structural, and geotechnical engineering. I will selfishly request that you might do more videos on structural analysis and even possibly nonlinear analysis, haha. But please keep on doing more videos like this. This laminar vs turbulent flow video brings back a lot of memories from my fluid mechanics class even though I will no longer use them because I'm in structural engineering.

  • @ugurdogan1869
    @ugurdogan1869 4 роки тому +17

    I watch your videos to understand things that I thought I already knew. Your langauge is pretty understandable even though I am not native speaker. Keep it up Sir, greetings from Turkey.

  • @w2tty
    @w2tty Рік тому +2

    This is an amazing video. My son, who graduated from the Colorado School of Mines, tried to explain this to me years ago. I never understood it all that well, but now I finally do. Your diagrams, animations, and explanations are absolutely outstanding for one who seeks to understand. Thank you.

  • @prateekksrivastava1534
    @prateekksrivastava1534 4 роки тому +4

    This is one of the Greatest step towards Education!
    I must thank the person who is making such videos, Students across the globe who can't afford to get such awesome lectures also got the Opportunities to learn and to imagine and to Appy.
    1-2 MILLION students are goint to follow this channel within a span of 2-3 years! But this channel must be promoted!!! 🙏❤❤

  • @nyxx707
    @nyxx707 3 місяці тому +1

    I adore these videos. I´m currently on my first year studying for my Aero 1 class, and this has been helping me so much in grasping a better understanding of the content. Just the graphs and listening to the explanations help so much, most questions are supposed to need a theoretical answer so thank you.

  • @striking_chords
    @striking_chords 4 роки тому +8

    This is brilliant! It's the ability of a genius to explain complex concepts with such simplicity

  • @limitlesssynthesis1295
    @limitlesssynthesis1295 Рік тому +7

    I love how he stated: "traditional engineering tend to be very math-heavy". This has been a HUGE problem for a lot of people including myself with the upper level engineering courses. Luckily we all made it through and have less than a year of college left to get through. Point im trying to make is this: Way too much of our engineering education is about mathematical modeling, equation solving, and calculating some parameter given other known parameters. This is all fine too learn but what is heavily, and I mean HEAVILY skipped most often is the actual physical science of why something is happening according to our observations of the physical world. Engineers come out of school and cant design anything hardly because they very little intuition of how the science actually works and most importantly why it works. Its not all about algebra, calculus, and matlab/python mathematics and coding. Colleges focus on this because its their way of 1, weeding people out of engineering, and 2, its one of the best way to create testing/quizzing for the class. Throughout my whole time in college I can probably count on just my hands and toes how often a conceptual question about how or why a physical phenomenon was even happening. Its alway math math math math, MATH!

  • @Azbikerboy
    @Azbikerboy 3 роки тому +3

    Incredible clarity. I never understood this fundamental concept in school 20 years ago. It was just presented to us as plug and chug and move on. Now I'm trying to get the cobwebs out and finally get a PE license and this is very helpful. Thank you so much!

  • @babubikashgogoi7891
    @babubikashgogoi7891 4 роки тому +54

    Everyone will just say after watching your videos that they have learnt what their parrot teacher couldn't teach. Keep the good work bro!!

    • @shyamsays
      @shyamsays 4 роки тому +7

      If you really understood this video that means you have good understandings of fluid mechanics. I think that was taught you by your teacher. It may be true that he was not as much intelligent as you were expecting, still he made you a capable person to understand this video. I am not saying that he is good instead I am saying that he is your teacher.

    • @babubikashgogoi7891
      @babubikashgogoi7891 4 роки тому +3

      @@shyamsays I wish he would have in my graduation days. I could get the basic essence of it when I did my Master's program. Thank you for your eye opening comment! Keep commenting keep the good work

  • @Slyze33
    @Slyze33 4 роки тому +2

    I have studied these concepts while i was doing a semester in the US, but ended forgetting about it as I wasn't using it in daily life.
    Your video was brillant, as I've been able to remind myself easily all that I had learnt years ago with no effort what so ever.
    So good job :-)

  • @explanationwithsushil3764
    @explanationwithsushil3764 2 роки тому +2

    It's humble request to u sir pls keep posting such videos, it will help a lot for economical backward students 🙏🙏

  • @brandonycus1453
    @brandonycus1453 Рік тому +1

    These videos turn a bunch of hard to digest grass into easily digestible cereal. Thank you so much for making them!!

  • @ujwalsmanhas1093
    @ujwalsmanhas1093 Рік тому +1

    You are doing a great service to the humanity by making things easy to understand as college education is simply interested in completion of the syllabus by going through the chapters as fast as they can without caring whether students have understood or not .

  • @andresfelipecoloradogranda2949
    @andresfelipecoloradogranda2949 4 роки тому +1

    The best summary on laminar and turbulent flow, including CFD techniques.

  • @himansh4812
    @himansh4812 2 роки тому

    Mr you can always have a blessed night's sleep knowing you made a difference in this dark gloomy world transcending beyond borders. Thank you. ❤️

  • @salehhamad8887
    @salehhamad8887 Рік тому +1

    Your explanation lasts longer as our great scientists' inventions equations. You are super,can't say how much we thank you%

  • @101nevergiveup
    @101nevergiveup 5 місяців тому +2

    I'm not an engineering students, i'm doing my pre-med study, which requires me to know medical physics. This video has helped me understand😂

  • @blackguardian89
    @blackguardian89 4 роки тому +29

    Absolutely amazing! You're great man! Thank you for choosing to invest your time in making such invaluable videos! You are making the world a better place for sure!

  • @busranurisk8892
    @busranurisk8892 2 роки тому

    thank god this channel exists

  • @ahmadnooryuhdi7514
    @ahmadnooryuhdi7514 4 роки тому +3

    Imagine the school/college is teaching the subject as good as yours, i always have difficulties understanding without illustration at class, thanks for great content

  • @AzA609
    @AzA609 11 місяців тому +1

    This video is a billion times more clear and coherent than my University's lecturer! 😅

  • @pawankhanal8472
    @pawankhanal8472 4 роки тому +2

    Great video.Waiting for more fluid mechanics videos....

  • @mibrahim4245
    @mibrahim4245 3 роки тому

    you gave me a better revision and understanding of my fluid courses at university 6 years ago ..
    THANK YOU !

  • @peterjackson2625
    @peterjackson2625 3 роки тому

    These are the best explanations of fluid mechanics I have seen.

  • @timsamui
    @timsamui 4 роки тому

    For me as an aerospace engineer I must say this is the best video I have seen so far on laminar and turbulent flow. Great job!

    • @AndrewPa
      @AndrewPa 2 роки тому

      GO and learn physics and you will change your mind mate

  • @vasanthkannan3398
    @vasanthkannan3398 3 роки тому +1

    Everytime you post a video of civil engineering, my heart skips a beat.

  • @vshlvishal4682
    @vshlvishal4682 4 роки тому

    Watched 15 minutes video for 40 minutes.
    A very good detailed information produced.
    Teach more sir

  • @GuitarAddict101
    @GuitarAddict101 Рік тому +1

    If these kinds of contents were available when I was completing my undergrad, I would have scored straight A's every semester! 😁😁😁

  • @skullfreak102
    @skullfreak102 3 роки тому +1

    I love how your channel is like 99% of what I'm doing right now! Thanks for the extremely high quality videos man!

  • @xmods1378
    @xmods1378 Рік тому

    holy shit dude this is so well made this should really have more views thank you Sir.

  • @1light4love
    @1light4love Рік тому

    Lecture on this insanity tomorrow....during our condensed summer Fluids course. My Thermo HW is also due tomorrow, vith exams in both next week. Videos like these. Man. So good even my Fluids professor recommended for Bernoulli's. Watched that video from you years ago in Calc3 and Phyics tho😂 you've had me covered the whole time!
    Needless to say. I love you, Man.
    KEEP GOING

  • @captainotto
    @captainotto Рік тому

    Just wow. I came here wondering about something and discovered a bloody neutron star density of info. I'm going to have to watch this a bunch of times but it's exactly what I needed yet had no idea that I needed it! Instant sub.

  • @1Wanu1
    @1Wanu1 4 роки тому

    I cannot simply imaging a better way to explain the topics you do

  • @babajungLA
    @babajungLA 4 роки тому +1

    Yes!!! Been waiting for the next video for a while! Fluid Dynamics! Very Excited!!

  • @envynit
    @envynit 3 роки тому

    No one can teach this easily to complex topics.. Great videos..

  • @GeniusEngineering
    @GeniusEngineering 4 роки тому +8

    Another amazing video with such a good way of explanation! Great to see your branching into other fields than Structural Mechanics. Can't wait to see what other Fluid Mechanics topics you do videos on!

  • @amirsharifzadeh1606
    @amirsharifzadeh1606 3 роки тому

    I sincerely want to thank you for how great you elaborate these concepts.

  • @frikkieramabolo172
    @frikkieramabolo172 4 роки тому +1

    I always thought I understood Laminar flow and turbulent well enough until I watched this video which broadened my understanding. Thank you so much for this! Its brilliant and can we please have more

  • @christopherrobinson8676
    @christopherrobinson8676 4 місяці тому

    Such a well put together and explained video. Great work, thank you. Subscribed

  • @kira4095
    @kira4095 4 роки тому

    Every word you say has deeper technical meaning......
    Amazing

  • @niloyahamed2249
    @niloyahamed2249 Рік тому

    Quality of content & the video help me to bunk boring class.Need more video about dimensionless number.A helpful channel for mechanical engineers.

  • @Xddefgg
    @Xddefgg 4 роки тому +2

    Really appreciate that you’re starting to teach fluid dynamics. I’ve got really helpful methods for understanding solid mechanics in your channel.
    Much thanks and keep up the good work :)

  • @FictionChannelIN
    @FictionChannelIN 2 роки тому

    Mann you explain better than my lecturer and the quality of videos.... absolutely loved it.... 😍

  • @emmanuelerinwusi5539
    @emmanuelerinwusi5539 3 роки тому +1

    Thanks so much for teaching. God bless you!

  • @98Irena
    @98Irena 3 роки тому +2

    The clarity and esthetic of your videos are impressive. Thank you for putting work into this and sharing with us :)

  • @famcivilengineer34
    @famcivilengineer34 4 роки тому

    Video is awesome.. But upload more videos frequently.. Just 13 video in one year.. Upload atleast one video per week.. We love this channel..

  • @ibonitog
    @ibonitog 3 роки тому

    Dang this is a good video. I've watched so many bad or lackluster videos about fluid dynamics and especially turbulence on UA-cam. This one is just great, very well layed out and structured, and everything is correct (ly explained).

  • @blaz988
    @blaz988 4 роки тому +1

    You finnaly started to grow quickly. Im happy for you, you really deserve it! ❤️

  • @landurearnaud1677
    @landurearnaud1677 4 роки тому +1

    Again, hats off sir for such a great video.

  • @2352yt
    @2352yt 4 роки тому

    Thank you for explaining good topics in simple manner

  • @babakshahed
    @babakshahed 4 роки тому

    it's good to see you are also sharing fluid videos

  • @dream_machines07
    @dream_machines07 4 роки тому

    I'm a mechanical engineer and I love your content. Keep posting more content.
    Waiting for Thermodynamics content...

  • @zubair1237
    @zubair1237 Рік тому +1

    This video is a piece of art. keep up the excellent work!

  • @mousaalsaeed9410
    @mousaalsaeed9410 4 роки тому

    Please Keep it up there is very few channels like yours which gives high-quality education

  • @vimalbhardwaj4242
    @vimalbhardwaj4242 3 роки тому +1

    Great explanation

  • @sagar11222
    @sagar11222 3 роки тому

    Great content for turbulence by far.

  • @thiliniwijerathna274
    @thiliniwijerathna274 7 місяців тому

    Such an amazing chanel..I found this at last ..its an ultimately clear explanation ...Thank you soo much..Love from Sri Lanka ❤

  • @melodyhong3676
    @melodyhong3676 3 роки тому

    Fantastic video! Good luck with my final exam

  • @abrahamvivas9540
    @abrahamvivas9540 4 роки тому

    I wouldn't call it "Engineering Intuition".. but "Engineering Criteria"...which is based on your knowledge of the limits of the available models.
    Other than that... Great work! Beautiful video! Keep going!

  • @drury2d8
    @drury2d8 4 роки тому

    Im studying for my PE and this is super helpful to revisit old concepts.

  • @OptimusPrime-mp1hn
    @OptimusPrime-mp1hn 3 роки тому

    One of the best site for learning. Thanks. Keep working .

  • @tusharkantiroy8203
    @tusharkantiroy8203 3 роки тому

    thank u sir. we need more vidoes like these.

  • @maliksajad6793
    @maliksajad6793 3 роки тому +1

    Sir Please continue these awesome series.
    These are quite helpful.
    One can learn much more from these videos than from lectures in universities and colleges wherein mostly theoretical concepts are discussed.

  • @aksymrt
    @aksymrt 4 роки тому

    The most clear explanation ever!

  • @sagaravijeetshukla
    @sagaravijeetshukla 4 роки тому +1

    Your videos are one of the best ones in describing and explaining concepts!!
    I'd request you to kindly post a video on rotational transformation of vectors..

  • @FioDavid767
    @FioDavid767 4 роки тому

    Please keep going. It really helps students. Today I got my lecture about this. You are really growing and helping others

  • @geekygal1073
    @geekygal1073 2 роки тому

    this is amazing. I have a mechanical engineering degree and it feels nice to freshen up these topics again

  • @iamlugee
    @iamlugee 3 роки тому

    Superb animations paired with straightforward explanations. Bravo!

  • @RaviShankar-ng3ov
    @RaviShankar-ng3ov 2 роки тому

    This is one of your best video

  • @chouaibsadki2942
    @chouaibsadki2942 2 роки тому

    Simply beautiful and simple explanation, thank you

  • @akashkapoor8490
    @akashkapoor8490 4 роки тому

    You are brilliant. Make a video on "How the Reynold Number come, who is the person and how they derive it". Continue this series, If possible then also told us more about "Challenges of Computation fluid mechanics". Thank You.

  • @souveekghosh5481
    @souveekghosh5481 2 роки тому

    best quality content for Fluid mechanics engineers like me, thank u so much.

  • @utkarshpuri3739
    @utkarshpuri3739 4 роки тому

    how come you do this GOD level editing?
    i seriously love all your videos.

  • @the_third_edition
    @the_third_edition 2 роки тому

    Your content is very clear and puts keys elements of a concept is simple words. Keep up the good work.

  • @RashiyaDayfe129
    @RashiyaDayfe129 Рік тому

    That’s brilliant, is easy to understand. Thanks

  • @JesusMartinez-zu3xl
    @JesusMartinez-zu3xl Рік тому

    wow!! You literally taught me so much more compared to my fluid mechanics professor. Thank you!!!

  • @kurtmill9080
    @kurtmill9080 Рік тому

    This was a great video with excellent visual models. Thank you.

  • @mehulvaghela8329
    @mehulvaghela8329 4 роки тому

    Excellent presentation, very pleasant music in background!!! HATS OFF 👌🏻

  • @aki-jx5sj
    @aki-jx5sj 3 роки тому +1

    I love fluid dynamics especially turbulent flow. This is an important problem for industry to design car and combustion in engine etc.

  • @Engrwaleed555
    @Engrwaleed555 3 роки тому

    The concepts are very clear. ❤

  • @Engrwaleed555
    @Engrwaleed555 3 роки тому

    One of my favorite youtube channel.

  • @priyansutank
    @priyansutank 4 роки тому

    I'm seeing this channel and it's quality of contents growing exponentially!

  • @rratedmotorcyclerides
    @rratedmotorcyclerides 4 роки тому

    Excellent video and explanation of fluid regimes

  • @garryherrington2557
    @garryherrington2557 4 роки тому

    I find the clarity and level of detail in your videos is excellent and this one is no exception. Note at 6.53 the Colebrook Equation can be solved for the friction factor f by using Lambert's W-function.

  • @Gorusuur
    @Gorusuur 3 роки тому

    You deserve many many more subscribers and lot more views. My best wishes for this channel. Absolutely top class content.

  • @mayanklakhera527
    @mayanklakhera527 4 роки тому

    Hey guys
    Thank your for taking my comment into consideration. Fluid mechanics is difficult to visualize but you guys are making it too easy. Thank you for this.

  • @durgab.k.2051
    @durgab.k.2051 4 роки тому

    Love your video❤❤❤. Specially the colors and quality. Explanation is 👍👍👍. Thank you!

  • @Navin.t.r.g
    @Navin.t.r.g 3 роки тому

    Please oh pleasee do videos also for chemical engineering... Just loved your content

  • @alekseisorokin4723
    @alekseisorokin4723 4 роки тому

    Excellent explanation! Thanks.

  • @southpaw8168
    @southpaw8168 Рік тому

    man o man! what an amazing explanation....such amazing content

  • @shovkatsotivoldiev
    @shovkatsotivoldiev 2 роки тому

    Brilliant video. I've had some subjects related to fluid mechanics and my thesis was about cfd modelling, this is just to say that there are tons of info in the internet, but some of them don't match, some is confusing and so on (especially when you've recently started to dive in). So considering all of that I can say that this video is really brilliant overview.

  • @khalidbenaouicha
    @khalidbenaouicha 2 роки тому

    شكرا جزيلا لك على كل هذا الشرح
    🤲❤

  • @darkside3ng
    @darkside3ng 2 роки тому

    Excelente presentation of this topic