Question
For low-speed (laminar) steady flow through a circular
pipe, as shown in Fig. P1.12, the velocity u varies with
radius and takes the form
u = B(rở - r?)
where u is the fluid viscosity and Ap is the pressure drop from
entrance to exit. What are the dimensions of the constant B?
Pipe wall
r=r
и (г)
r= 0
P1.12
Expand
Transcribed Image Text

For low-speed (laminar) steady flow through a circular pipe, as shown in Fig. P1.12, the velocity u varies with radius and takes the form u = B(rở - r?) where u is the fluid viscosity and Ap is the pressure drop from entrance to exit. What are the dimensions of the constant B? Pipe wall r=r и (г) r= 0 P1.12

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