Why Laminar Flow is AWESOME - Smarter Every Day 208

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If you've ever seen flowing water look frozen like glass... that's Laminar flow
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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:
en.wikipedia.org/wiki/Laminar_flow
Reynolds Number:
en.wikipedia.org/wiki/Reynolds_number
Osborne Reynolds
en.wikipedia.org/wiki/Osborne_Reynolds
Feeling froggy? Reynolds-averaged Navier-Stokes equations to solve on your lunch break:
en.wikipedia.org/wiki/Reynolds-averaged_Navier%E2%80%93Stokes_equations
Other Fluid Dynamics videos on Smarter Every Day:
Vortex Collision
uznick.info/up/video/fonEm5WOm92WhWg
Shockwave Schlieren:
uznick.info?o=U&video_id=BPwdlEgLn5Q
The walking water mystery
uznick.info/up/video/hH2mfKZ5rJyFsYE
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Warm Regards,
Destin

Fikrlar

  1. SmarterEveryDay

    SmarterEveryDay2 yil oldin

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

  2. Arbab Uddin

    Arbab Uddin8 kun oldin

    I have a feeling where you got the idea for laminar flow 😄

  3. Gd IXK SA CA MD JackAttack

    Gd IXK SA CA MD JackAttackOy oldin

    Here b4 500

  4. Amit Patil

    Amit Patil3 oy oldin

    Even developers used laminar flow in minecraft 😂😂

  5. digital subliminal messages

    digital subliminal messages3 oy oldin

    S T O P. R A P E I N G. B A B I E S ....S T O P. R A P E I N G. B A B I E S It's turning out/ that most likely / the people who were / excicuted after WWII ,for Communism/ might be in part responsible for/ attacks against the governmental understructure/ I'm giving them a opportunity for the boot camp / understanding ,they were legitly murdered// /// I was looking for those murder references and could almost never find one// // I think that's why , they came to the surface/ ... We'll litigate it through / but , yeah , y'all are safe / ...../

  6. COH Fearing

    COH Fearing3 oy oldin

    if u look at engine oil when u change it. the oil is laminar

  7. AlanXD

    AlanXD9 soat oldin

    F por la piscina 😔👊

  8. Voltaic Fire

    Voltaic FireKun oldin

    I hope that science faire winner gets every opportunity to explore the universe through science, she has great potential.

  9. Kurtis Cooper

    Kurtis Cooper2 kun oldin

    Sometimes I get laminar flow when I pee

  10. Ralf Dietrich

    Ralf Dietrich3 kun oldin

    The Girl is amazing

  11. Hirak Hirak

    Hirak Hirak3 kun oldin

    Imagine that Detroit airport fountain with oil instead of water and setting it on fire when it is in operation, how cool of a fire show will it be! I know I am a pyromaniac.

  12. I

    I3 kun oldin

    RiP watch

  13. Travis Knecht

    Travis Knecht4 kun oldin

    *the only dude that can play with water for longer than us and have no mess at all*

  14. Happy Croissant

    Happy Croissant5 kun oldin

    my old bathtub at full power had laminar flow and I only now appreciate it. This is epic

  15. Damani Shabazz

    Damani Shabazz6 kun oldin

    honestly a pretty cool video

  16. True North Muskoka

    True North Muskoka6 kun oldin

    Ok so I just saw your laminar flow video. OMG, I love laminar flow as well. I work in the pharmaceutical industry and laminar air flow is extremely critical in our sterile filling suites. im subscribing dude. looking forward to seeing more videos.

  17. Cody Li

    Cody Li7 kun oldin

    The unsightly psychiatrist disconcertingly fancy because wind arespectively trouble inside a zealous september. clammy, efficient venezuela

  18. STSGuitar16

    STSGuitar167 kun oldin

    the coolest part about laminar flow is that destin acts like he is high on weed for the first time whenever he sees it

  19. why

    why7 kun oldin

    the look of disappointment in his when he went with his kids to see the laminar flow was perfect

  20. Nikita Hilko

    Nikita Hilko7 kun oldin

    Hey Destin! First of all I'd like to say big Thank You for all your work! I love your videos! Have you heard about Celera 500L plane by Otto Aviation? It seems to use laminar flow for an outstanding flying performance. Would love to hear your thoughts upon this topic in one of your next projects ;)

  21. deepak ghanchi

    deepak ghanchi7 kun oldin

    Turbulent flow is better

  22. deepak ghanchi

    deepak ghanchi7 kun oldin

    Is this flow strong enough so that we can do it under ocean and live in the bubble

  23. Winder Zhao

    Winder Zhao8 kun oldin

    The malicious scraper geometrically analyse because silk reassuringly wrestle upon a aspiring system. impolite, hanging shake

  24. Sven R.C.L

    Sven R.C.L8 kun oldin

    How to catch a Destin... Get a laminar flowing water fountain installed in your backyard... He'll show up eventually

  25. Eliseo Galliher

    Eliseo Galliher8 kun oldin

    The maniacal nurse ideally man because shadow contradictorily handle except a eatable mirror. tan, therapeutic scissors

  26. Ryan Peterson

    Ryan Peterson9 kun oldin

    I went to a friend's place once who's sink tap somehow had laminar flow. I was astounded and played with it with a spoon for a good 10 minutes. Amazing!

  27. Daniel Cabral

    Daniel Cabral9 kun oldin

    7:03 .Anyone done this before where you put a spoon under the tap then the water just goes everywhere and it looks exactly like this.

  28. Aasim Ali

    Aasim Ali11 kun oldin

    Hey Destin please read this Turbulent flow is better than laminar flow. XD

  29. Ravin Chowdhury

    Ravin Chowdhury11 kun oldin

    Just go to your sink and put a spoon under running water, full speed directly into the concave part. Laminar flow!

  30. Jaš Lazar

    Jaš Lazar11 kun oldin

    Therapist: Wide Destin doesn't exist The wide Destin: 9:35

  31. Sandra Giovani

    Sandra Giovani14 kun oldin

    The shivering ox pathophysiologically film because cry cosmetically borrow during a husky turret. innocent, screeching potato

  32. Donny Nguyen

    Donny Nguyen14 kun oldin

    He destroyed a perfectly good pool in the name of science

  33. Prashant Singh

    Prashant Singh15 kun oldin

    I enjoyed the video. Great work dude

  34. Oliver Marks

    Oliver Marks15 kun oldin

    That’s awesome!

  35. Conrad Watson

    Conrad Watson15 kun oldin

    his enthusiasm when it makes a bubble lOok aT ThaT It maDe A BUBblE

  36. CALYPSO

    CALYPSO15 kun oldin

    1:36 1 in the pink. 1 in the stink.

  37. jim b

    jim b15 kun oldin

    the same thing happens in rivers. a murky particle filled stream joins a clear colder tributary stream and the two streams take many miles to mix. also with ice streams of combining glacier flows (though the flow is slower).

  38. jim b

    jim b15 kun oldin

    nasa stole that yarn idea from sails. sailors use telltales (yarn) to see the flow over the sails. to get the most lift (thrust) from the sail. they vary the angle of attack till flow is optimal

  39. Charles Georgette

    Charles Georgette16 kun oldin

    The embarrassed organization seasonally encourage because scent quickly add barring a high-pitched colt. sparkling, public pajama

  40. riccardo marcenta

    riccardo marcenta17 kun oldin

    I was curious about if some sort of laminar flow bubble can work as a shielding from gasses

  41. Martin L

    Martin L18 kun oldin

    Subscribed because I like low Reynolds numbers

  42. Matthew Rodgers

    Matthew Rodgers19 kun oldin

    The silent bath hooghly spill because humor bizarrely spill astride a high-pitched pepper. nice, diligent anger

  43. Beefcake Ben

    Beefcake Ben20 kun oldin

    If you get a spoon go to your sink turn on the water and put the spoon underneath the water you can get laminar flow

  44. Robbie william Medina

    Robbie william Medina20 kun oldin

    I used a spoon and long plastic pipes to blow water and it make like awesome water umbrella

  45. Victory josef Pays

    Victory josef Pays21 kun oldin

    THIS IS TOO GOOD

  46. Ben Cross

    Ben Cross21 kun oldin

    You're at the creative discovery museum. I grew up in chattanooga until I was 21. That's awesome lol

  47. mastermind 21

    mastermind 2121 kun oldin

    Why does he sound like someone on speed at the start of the vid

  48. Joel Walby

    Joel Walby22 kun oldin

    What happens when it rains and you stand under a sphere of laminar flow water like that. Does the sphere of water keep you dry?

  49. Franky The Fox

    Franky The Fox22 kun oldin

    Turbulent flow is better.

  50. Youtube clan

    Youtube clan23 kun oldin

    I was at that space place a few weeks ago

  51. whitman

    whitman25 kun oldin

    The nutritious open respectively tempt because cushion arguably bat among a jealous cockroach. grandiose, brainy system

  52. javnik 27

    javnik 2726 kun oldin

    I have laminar flow from my sink

  53. wattle boi

    wattle boi27 kun oldin

    Can't start a UZnick channel without popping a kiddie pool

  54. Lawrence Copestick

    Lawrence Copestick27 kun oldin

    I watched this when it first came out, and I'm now watching it again having just had a fluid's class at university

  55. John Frank455

    John Frank45527 kun oldin

    HeeeHaaaaaawwwww

  56. James Pauls

    James Pauls28 kun oldin

    "hey I made a bubble!"

  57. Emily747

    Emily747Oy oldin

    His kids are just like: *Ughh Dad's gonna try to talk about weird science stuff again can we just get on the plane...* 5:49

  58. Amith amrutham

    Amith amruthamOy oldin

    Who is watchin in 2021 march

  59. Leefer 19

    Leefer 19Oy oldin

    I myself prefer turbulent flow .........heh heh...

  60. N

    NOy oldin

    his cat's name is prince rupert?!! Makes sense given they're pretty much indestructable

  61. Farkas S

    Farkas SOy oldin

    I am studying right now about this in med school

  62. RTSRAZORBACK

    RTSRAZORBACKOy oldin

    I subscribed because I always liked those laminar flow water fountains but never knew it has a name for that glassy type of flow 😁 plus, I've watched looooaaaads of your videos!

  63. Sandeep Simeon

    Sandeep SimeonOy oldin

    Thanks for the video

  64. Tick Tock

    Tick TockOy oldin

    water over there must be free or very cheap.

  65. Max Spies

    Max SpiesOy oldin

    8:20 he is so happy

  66. Alfie Miller-Sharp

    Alfie Miller-SharpOy oldin

    "I like this a lot" Yes you do Destin, yes you do.

  67. Kevin Luo

    Kevin LuoOy oldin

    it looks like a chain.

  68. Alchamen God

    Alchamen GodOy oldin

    If your children don’t appreciate laminar flow, SEND THEM TO THE RANCH!!!

  69. Dickie Brewer

    Dickie BrewerOy oldin

    This child is a keeper!

  70. BassboostNL

    BassboostNLOy oldin

    Why didn't he use a gardenhose

  71. Lemon Party

    Lemon PartyOy oldin

    When I was draining my car oil it made a laminar flow so perfect my brain had trouble processing as a liquid. It was as if a solid was sitting there not moving at all. There was no visible movement.

  72. Andrei Teodor

    Andrei TeodorOy oldin

    You wont have enough fingers to fill all the holes

  73. Kevin Dreger

    Kevin DregerOy oldin

    @11:19 “Got it, I dig it, I like laminar flow.”

  74. Umair Rana

    Umair RanaOy oldin

    Vertiasums turbulent is better. 😢 Hehe

  75. Rayyan Fuzail

    Rayyan FuzailOy oldin

    9:25 Lmffffaoooo

  76. Vacation for a Living

    Vacation for a LivingOy oldin

    vacuum laminar flow

  77. taehoon oh

    taehoon ohOy oldin

    The madly swallow adversely care because reaction connoly tick past a breakable bill. weary, rich idea

  78. Providence

    ProvidenceOy oldin

    hello fresh more like hella fresh

  79. ciregod

    ciregodOy oldin

    In ottawa we have (had idk) a wave pool with an out door park with three laminar flows two mushroom style and one I guess you can call it faucet style like the little on in you video but you can stand under it

  80. Μάρκος Σουχλακης

    Μάρκος ΣουχλακηςOy oldin

    What a cute girl

  81. Vikram M

    Vikram MOy oldin

    Stabbing an innocent piece of equipment. Unethical.

  82. Nobody

    NobodyOy oldin

    Me, who can create this with my tap and a spoon

  83. HIMESH KUNDAL

    HIMESH KUNDALOy oldin

    7:00 I do this with a spoon under a tap

  84. HIMESH KUNDAL

    HIMESH KUNDALOy oldin

    7:00 I do this with a spoon under a tap

  85. Crystal Phillips

    Crystal PhillipsOy oldin

    The agonizing danger undesirably scare because jumper methodically float above a female fertile warm. flippant, damaging maria

  86. Ken Graham

    Ken GrahamOy oldin

    Dude, you have way too much fun. I went through Naval Nuclear Power School in 86. We had to learn Heat Transfer and Fluid Flow and you would have made a perfect instructor. You may not have found your calling. You would have a blast teaching baby nukes about HT&FF. On a side note, love your sub series. You do a great job and yes, I spent many years on 4 different 688 subs. Keep up the great work.

  87. Equilibrium

    EquilibriumOy oldin

    Does same rules, or math work on other things, gas, radiation? Laminar flow could be "force field", tho. Not seeing water is practical.. What does laminar flow just happen with liquids, like water? Hehe

  88. Blank Note

    Blank NoteOy oldin

    I too feel mesmerized when it go like that when i wash dishes

  89. Jiminy Gomran

    Jiminy GomranOy oldin

    Been there so many times, I think the kids are going to be excited about something and they are just bored and annoyed lol

  90. JackswastedlifeLP

    JackswastedlifeLPOy oldin

    0:42 That's a lot of damage! xD

  91. John Galt

    John GaltOy oldin

    "Beat it kid I'm flowing here"

  92. Leigh Guptill

    Leigh GuptillOy oldin

    At 7:20, is the thickness of the wall of water more than at the base of the "sphere", where it hits the pool? My assumption is that it would reduce, since it covers more surface area. Would it be about half as thick where it hits the pool?

  93. Harish Chandra

    Harish ChandraOy oldin

    6.9 Million views nice

  94. Yoram Alon

    Yoram AlonOy oldin

    Wonder what are the implictions/effects that laminar flow , exert on water molecules? Water molecule is a polar dielectric, it has hydronium ions as well. A dielectric accelerated in an electric field develop an intrinsic magnetic moment. Do laminar flow of water through an electric field , perpendicular to a magnetic field, would structure the water molecules?

  95. calvin nguyen

    calvin nguyenOy oldin

    To generate we're going to a nozzle that makes the water in smooth layers. Slow water is more likely to be , so first we need to slow the water down. Second We also need to remove turbulence from the water coming into the nozzle. And third we have to direct the water into a .

  96. HEISENBERG

    HEISENBERGOy oldin

    I'm a neet aspirant and fluid mechanics is also in our syllabus

  97. Proffit !

    Proffit !Oy oldin

    LMAO. "I could put my hand in that". - Dustin

  98. Andrew Lang

    Andrew LangOy oldin

    So the only reason to go to Detroit is Laminar flow. Awesome lol

  99. Pete Moore

    Pete MooreOy oldin

    I feel like a nerd. I TOTALLY understand this and a lot of other stuff without a formal education. I understood it when I was 10. Great video and great channel!

  100. Jesus is Alive!

    Jesus is Alive!Oy oldin

    Laminar flow is cool because we have so much turbulence in this world already. It's nice to see something so calm and peaceful. You could liken it to Jesus walking across that stormy sea. He was the calm in the middle of chaos. Just like laminar flow.

  101. Barbell King

    Barbell KingOy oldin

    Cool video

  102. Songwriters Library

    Songwriters LibraryOy oldin

    I don’t get the fascination...but I completely understand it because I’m infatuated with magnets in the same way.

  103. Zamora, J

    Zamora, JOy oldin

    Today I learned: Destin likes laminar flow.

  104. Миша Морозов

    Миша МорозовOy oldin

    that would make a great flex tape ad

  105. The Lunatic

    The LunaticOy oldin

    me watching the video then looking at my fish tank on the side.. hey that laminar flow!