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Turbulent Flow is MORE Awesome Than Laminar Flow
Estadísticas de aprendizaje
Nivel MCER
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Subtítulos (268 segmentos)
A portion of this video was sponsored by loda
This is like a scientist trap.
It certainly is; case in point, that is Space Station commander Chris Hadfield
What this isn't is turbulent. Nope, this is largely laminar flow.
“Did somebody say peculiar flow! ?”
no i dont
If you didn't know, Destin from smarter every day loves laminar flow,
where all the particles of the fluid move parallel to each other in organized layers or laminae
look at that it made a bubble!!!
Where I live people will roll down the window in their car when they see me in the street
and they will scream “turbulent flow” to me
That happens, that happens in Huntsville. Yeah.
Here- Here's my argument to you, Destin
nashe
Okay.
but turbulent flow if you make that effort is actually more awesome.
Um...
no.
Turbulent flow is not better than laminar. It is awesome
But it is not better than laminar flow.
Can I just say I get it
I get where Destin is coming from
I mean laminar flow is pretty and it's well behaved,
Meanwhile turbulent flow is a mess in more ways than one.
I mean, there isn't even a universally agreed-upon definition of turbulent flow.
You know it when you see it
[Laughing]
Hahaha, So that's the deal with turbulence, you know it when you see it?
Pretty much. Yeah.
So instead of a formal definition, in this video
we are going to build a checklist of characteristics of turbulent flow,
so that you know it when you see it
and the first characteristic of turbulent flow is that it is unpredictable
That's right. Turbulent flow is messy it's unpredictable.
It is literally definitionally chaotic
meaning it is sensitively dependent on initial conditions.
So if you were to change something somewhere in the fluid
well, it would completely change the final state
and that means you can't make predictions with turbulent flow
All you can do is speak about it statistically.
I mean, there are the Navier-Stokes equations which are meant to govern all fluid flow
Including turbulence, but they are notoriously difficult to solve.
In fact, there is a million-dollar prize
for anyone who can even make progress towards getting insight into these equations that would explain turbulence,
so yeah, I get it, turbulence is a mess，
laminar flow is easy to love
It's like the bell of a ball
whereas turbulent flow is kind of an ugly duckling
But in this video I want to transform that ugly duckling into a beautiful swan
I want you to see that if you make the effort
The love you can have for turbulent flow is so much deeper and richer than that superficial fling you have with laminar flow
You are looking at the motion of air in a room, which is generally turbulent
the physics girl and friends imaged a cross-section of air using a fog machine and a laser sheet
one of the defining characteristics of turbulent flow is that
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