Consider the pipe annulus sketched in the figure. Assume that the pressure is constant everywhere (there is no forced pressure gradient driving the flow). However, let the Inner cylinder be moving at steady velocity V to the right. The outer cylinder is stationary. (This is a kind of axisymmetric Couette flow.) Identify the correct expression for the x-component of velocity u as a function of r and the other parameters in the problem. Outer pipe wall Fluid: p. R₁ R OP P₂-P dx xy-x Multiple Choice я=V ( u= Vin VIN In ○…( u=V 32
Consider the pipe annulus sketched in the figure. Assume that the pressure is constant everywhere (there is no forced pressure gradient driving the flow). However, let the Inner cylinder be moving at steady velocity V to the right. The outer cylinder is stationary. (This is a kind of axisymmetric Couette flow.) Identify the correct expression for the x-component of velocity u as a function of r and the other parameters in the problem. Outer pipe wall Fluid: p. R₁ R OP P₂-P dx xy-x Multiple Choice я=V ( u= Vin VIN In ○…( u=V 32
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Transcribed Image Text:Consider the pipe annulus sketched in the figure. Assume that the pressure is constant everywhere (there is no forced pressure gradient driving the flow). However, let the Inner cylinder be moving at steady velocity V to the right. The outer cylinder is stationary. (This is
a kind of axisymmetric Couette flow.) Identify the correct expression for the x-component of velocity u as a function of r and the other parameters in the problem.
Outer pipe wall
Fluid: p.
R₁ R
OP P₂-P
dx
xy-x
Multiple Choice
я=V
(
u=
Vin
VIN
In
○…(
u=V
32
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