01: Consider laminar flow over a flat plate. The boundary layer thickness 8 grows with distance x down the plate and is also a function of free-stream velocity U, fluid viscosity u, and fluid density p. Find the dimensionless parameters for this problem, being sure to rearrange if neessary to agree with the standard dimensionless groups in fluid mechanics. Answer: ° = f(eUx)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
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Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.9P: When a sphere falls freely through a homogeneous fluid, it reaches a terminal velocity at which the...
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Q1: Consider laminar flow over a flat plate. The boundary layer thickness o grows
with distance x down the plate and is also a function of free-stream velocity U,
fluid viscosity u, and fluid density p. Find the dimensionless parameters for this
problem, being sure to rearrange if neessary to agree with the standard
dimensionless groups in fluid mechanics.
Answer:
Q2: The power input P to a centrifugal pump is assumed to be a function of the
volume flow Q, impeller diameter D, rotational rate 2, and the density p and
viscosity u of the fluid. Rewrite these variables as a dimensionless relationship.
Hint: Take 2, p, and D as repeating variables.
P
e paD?
= f(
Answer:
Transcribed Image Text:Q1: Consider laminar flow over a flat plate. The boundary layer thickness o grows with distance x down the plate and is also a function of free-stream velocity U, fluid viscosity u, and fluid density p. Find the dimensionless parameters for this problem, being sure to rearrange if neessary to agree with the standard dimensionless groups in fluid mechanics. Answer: Q2: The power input P to a centrifugal pump is assumed to be a function of the volume flow Q, impeller diameter D, rotational rate 2, and the density p and viscosity u of the fluid. Rewrite these variables as a dimensionless relationship. Hint: Take 2, p, and D as repeating variables. P e paD? = f( Answer:
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