Why Laminar Flow is AWESOME - Smarter Every Day 208

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    Click here if Laminar flow is awesome: bit.ly/Subscribe2SED Get a total of $80 off (8 free HelloFresh meals in first month) go to bit.ly/2PGu55r and enter "smarter80" ⇊ Click below for more links! ⇊ Tweet me Laminar flow pics:bit.ly/LaminarTWEET
    If you've ever seen flowing water look frozen like glass... that's Laminar flow
    Personally, I find calculating Reynolds number to be quite difficult.
    It's done differently depending on what type of flow you have. A pipe is calculated different than an airplane wing etc.
    Some fluid dynamicists would tell you that it's an exact science. I personally feel that it's a bit subjective.
    The most difficult parameter to nail down in my humble opinion is the characteristic length.
    It's pretty easy for pipes, you just measure the diameter... but wings, plates, vortices...get complicated quickly.
    You'll notice in the video I refrained from saying anything like
    "Flow is laminar when Reynolds number is less than XXX" or
    "Flow is turbulent when Reynolds number is more than XXX".
    There are different schools of thought on this. Typically the transition between laminar flow and turbulent flow occurs somewhere between 2100 and 4000 (Reynolds number is unitless).
    Laminar Flow:
    Reynolds Number:
    Osborne Reynolds
    Feeling froggy? Reynolds-averaged Navier-Stokes equations to solve on your lunch break:
    Other Fluid Dynamics videos on Smarter Every Day:
    Vortex Collision
    Shockwave Schlieren:
    The walking water mystery
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    Publicerades den År sedan


    1. SmarterEveryDay

      Laminar flow 4 Life (it's a subscription link) → bit.ly/Subscribe2SED

      1. Eden Mulholland

        @SmarterEveryDay as we say smarter every day



      3. True lights

        For the love of god, please adopt me... dad,

      4. Lucie Ciepka

        Can you explore laminar flow in singing? I know it sounds weird, but if you try to hum (or sing) a high note and you gradually hum louder (which increases the volume of air passing through your vocal cords) you will eventually loose the control of the flow of air and it will become turbulent. I just find this interesting and am curious about it. If you here someone like Sabine Devieilhe sing Queen of the night you may understand why I find it so fascinating.

      5. Ajax Rain

        Does peeing count as laminar flow

    2. Lester Walit

      Well, that's one way to plug pool holes. Pencil and a spike.

    3. Shrimann Bansal

      Alternate title: Adults getting exited by flowing water.

    4. Aero Aux

      pov: destins drowning you 8:21

    5. John Berrys

      Make a giant laminar flow globe and see if it protects you from a flamethrower like a forcefield shield

    6. Science done right

      11:53 Unsubbed

    7. Darkwear GT

      Rip pool

    8. Patrick Bolt

      How can I contact you to do a video on something I have always been intrigued by?

    9. Thaias

      Your son is going to cringe so hard in the future!

    10. foolishwolf

      I wish I liked anything as much as Destin likes laminar flow...

    11. Rex stark

      What's the girls age

    12. Daniel Robillard

      I guess there's 4k people who hate science ? I just don't understand how you can dislike vid like that

    13. Dev Raj

      13:43 😅 laminar flow better

    14. Appu Kumar

      Kids: hey lets play in the pool Father:*pokes holes in the pool and acting weird*

    15. tittysucknut

      "It's really funny when you're 30 years old and ya gotta wait for the two year olds to do your fluid experiment" 😂 mans sus

    16. doxcey

      Imagene laminar is a actual guy

    17. Trimzy

      yes sir

    18. Maskuden

      Video: 6:54 Me: *So pretty much when you wash the curve part of your spoon*

    19. ostmana1

      p e e

    20. John Doe

      "Oh I already know alias....and all that other stuff" that was hilarious.

    21. Rajardi Raskuta

      BANGSATT, gw datang kesini gara" Kegoblogan.Unfaedah . Makasih ,udah menjadi pemicu saya untuk menonton video ini & menjadikan saya sedikit lebih pintar 😂

    22. Yu Yokoyama

      When i wash my spoon i always see laminar flow. ..but at what cost?

    23. Rhiggs Thomas

      Turbulent flow is cooler prove me wrong

    24. newguy2878

      Do you think that we could use laminar flow to create force fields one day?

    25. Major

      Does anyone know if she went on to win the nationals with her project?

    26. Menstink Bot

      It’s not laminar it’s linear

    27. Joe Auerbach

      We really need an update about how hard that girl crushed regionals.

    28. Jeremy Heck

      Your mom is wrong, LMAO

    29. MikeRN

      That laminar flow was at DTW in Detroit! UGH! I see it every time I go flying and I've always wondered about it. So beautiful.

    30. Jopaco

      His face at 6:45 is one of SEproms best moments.

    31. Jane Lee

      ......Destin's love for laminar flow is so overpowering and contagious I now wish I could visualise the laminar flow in a laminar flow cabinet ;_;

    32. Aqua Affinity

      At the start, what is that metal spike called or where can i buy one?

    33. Jayden Nunya

      5:25 he is a super super smart guy but yet he says "awsomest" which isnt even a word

    34. Mike Waters

      9.25 I was dying laphing 😂🙂😂😂😂😂😂😂

    35. Jean Paul

      Bro I got the same kind of jacket as yours in tennessee

    36. Jean Paul

      Kids will be kids. Lol not appreciating laminar flow

    37. Phil

      Wow, I love laminar flow

    38. newdlz

      My man literaly went to a children's museum and put his phone in a fountain

    39. BE YT

      he should make a tutorial about how to make the science fair project

    40. BE YT

      i got new great quality headphones and when he put his phone under the fountain it literally felt like water was in my ear

    41. Sour Apple

      6:53: Me when I was 10 playing in the sink with a spoon

    42. pastbat1

      "Kids where's Dad?" "I think he's playing in the water fountain"

    43. Scooty Puff Sr

      I get excited for you Bc of laminar flow

    44. Scooty Puff Sr

      Kudos to that young lady

    45. Shaik Mudassir

      How to stop laminar flow Finger the pool

    46. tibby48

      A man after my own heart. I tried to teach my sons science. Partly successfully.

    47. That Dude

      I’ve been to the airport that has that fountain I’ve also seen it

    48. Pablo Sparisci

      That girl who made the project sounds smart af, i hope she becomes an ingeneer or something like that :)

      1. Alec Tarr


    49. BRUTAL [meow] gaming

      9:10 i saw a cat is it yours

    50. osanixian


    51. Puuding Music

      Destin after the video: Call up Phil Swift, we gotta patch this thing up

    52. AirlinerWorld Boeing 777-9X

      Laminar Flow is AWESOME! Just basic straight lines (parrallel particles💦)

    53. Ludde

      Your daugther made an awesome laminar flow thingy dude

    54. David Harrison

      im sorry i cant subscribe again :(

    55. Gohan Is Underrated

      Man gets excited about water.

    56. Thadsyl

      I once saw a fountain and thought it was glass, I walked into the puddle of water and fell into it

    57. T Nunn

      LAMINAR Flow spiral nozzle by Viktor Schauberger

    58. XxlitxX 720

      That museum is in my town LoOl

    59. Pre Leisure Records

      6:41 - literal ‘destin.exe has stopped working’ moment

    60. Phoenix EHC

      Me: realising my sink does this

    61. Joan Dimitrov

      In order to show you another example of laminar flow I'm gonna poke a hole in Saturn V rocket's fuel tank...

    62. Isaac Cruz

      5:36 when you kid doesn’t wanna be nerd like you Ps not an insult just jokes

    63. TheTallTech

      Why laminar flow is cool? Just ask Hacksmith!

    64. Kyle Johnson

      What is the largest achievable laminar flow? Or if it's theoretically possible at any flow rate, what's the largest that's ever been made? Vertical is okay too, but, for example, if there was somewhere in the world where a meter-wide drainage hole in a dam produced laminar flow, that would be amazing!!!

    65. Faiz Ahmad

      I am from Veritasium And I love tUrBuLencE

    66. Hubert Alfredo

      I make laminar flow form my my sing just with spoon and a houst

    67. Harley Trolinder

      Check out vrtasium you won’t regret it

    68. Flooring Hi

      9:35 me in photos

    69. JovazPulse

      Free kiss from Destin 8:58. He likes it a lot .

    70. Temet

      You just comfirmed that the atmopshere is made out of a fluid medium, and that the same laws of physics even apply out in space.. Therefor it is clearly a lie that outer space is a "vacuum" but more likely a fluid-like plasma, just less dense then our atmospehere...

    71. Jackson Presleigh


    72. PredatorGhost

      Good videos greetings from Uruguay

    73. Andrew Martinez

      Is it just me or when he put his phone in the fountain and it got blurry, my eyes started to hurt because I thought it was my eyes that had the water in them. Make sense?

    74. Bruno-Andreas Dengel

      I love this vids, and it is so awesome to watch how much fun and excitement he has when he see things like the fountains an the flow. He really enjoys science.

    75. Tide

      8:12 AD POPS UP

    76. Tide

      lmfao reminds me of the squirrel thing from ice age trying to plug up the holes

    77. John L.V

      I just imagined a fountain with a laminar flow bubble but it's big enough to cover a house

    78. Motionless Perception

      I’m a Chicago middle schooler who has walked by that 9:46 fountain so many times. And then a smart, grown man who I admire calls it “so stinking cool” Very strange feeling

    79. Tristan Perez

      you must take a balloon and tape up a circle then poke it

    80. Salzaabi57

      your watch is in the flow it might be damaged

    81. Rohith G

      Cpt. D watching this video with flex tape and visible disgust.

    82. ali alkhalaf

      Ok Ok I just

    83. •S0CK•

      Does your child not like laminar flow? In the words of Alex Jones DESTROY THE CHILD

    84. christopher wolf

      I have binge watched about 100 of your videos. I didn't realize until this one "Laminar Flow" that I wasn't Subscribed. Sub Everyone!

    85. Fein For The Feature's

      I now to like Laminar Flow

    86. John Kosky

      Those tacos are bomb

    87. ManaN Patel

      My next youtube recommendation: Turbulent Flow is More Awesome than Laminar Flow by Veritasium

    88. ManaN Patel

      Aqua-sama: Why are you summoning me?

    89. Matthew alam

      8:54 it made me wanna rub my right ears

    90. Mezmeray

      I like to think hes still plugging up those wholes to this day

    91. VIDHU7 Gaming

      9:00 felt like there is water in my right ear

    92. festula Jainna

      I love this vid... ☆3☆

    93. Hunter Does Gaming

      This video has 4K for my iPhone wtf

    94. Fajar Jayadi

      wow.. i just remember that I love doing that when I'm

    95. Dazdigo

      No mention of how it acts like a fiber optic cable when lasers are shot through it?

    96. JoeShmoe Logigan

      1 like = 1 prayer for the pool who died a painful death

    97. joseph J.M.S

      I like how nerdy the dad is, explaining the laminar flow to his kids but the kids just don't care 😂

    98. Carsons Swinford

      A place I’ve been to had a sink that only shot out laminar water, it was amazing

    99. Just Me

      Watching lave in a Laminar flow is awesome.

    100. Soda Arts

      Right when he starts putting the phone in the water. Ad: Hey