Short Questions (a) If the flow is laminar on entire flat plate, at which local Reynolds number the heat flux rate would be maximum? (Rex = 10, 100, 1000, 10000) (b) What is the limiting temperature condition at the edge of thermal boundary layer? (c) N, is maximum for laminar or turbulentboundary layer?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.61P
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Short Questions
(a) If the flow is laminar on entire flat plate, at which local Reynolds number the heat
flux rate would be maximum? (Rex = 10, 100, 1000, 10000)
(b)
What is the limiting temperature condition at the edge of thermal boundary layer?
(c)
N, is maximum for laminar or turbulentboundary layer?
(d) Heat transfer on a circular cylinder, the second minima on Nu vs T curve due to
which flow condition? And what is the approximate location of second minima?
(e) For air with Pr = 0.71, which boundary layer would be thicker?
(f)
What is Reynolds analogy and Film Temperature?
(g)
What is the condition for application of mixed boundary layer conditions?
(h)
What is the condition for creeping flow?
Transcribed Image Text:Short Questions (a) If the flow is laminar on entire flat plate, at which local Reynolds number the heat flux rate would be maximum? (Rex = 10, 100, 1000, 10000) (b) What is the limiting temperature condition at the edge of thermal boundary layer? (c) N, is maximum for laminar or turbulentboundary layer? (d) Heat transfer on a circular cylinder, the second minima on Nu vs T curve due to which flow condition? And what is the approximate location of second minima? (e) For air with Pr = 0.71, which boundary layer would be thicker? (f) What is Reynolds analogy and Film Temperature? (g) What is the condition for application of mixed boundary layer conditions? (h) What is the condition for creeping flow?
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