Using von Karman momentum integral, derive boundary layer height 8, boundary layer displacement thickness 84, boundary layer momentum thickness 0, wall shear stress To, local skin friction coefficient c, and total drag coefficient C, for turbulent boundary layer flow with power law constant, n 5. Discuss by comparing your answers to turbulent boundary layer flow with power law constant, n = 7. %3D Take the empirical wall shear stress: To = 0.0204pU %3D SU 14

Using von Karman momentum integral, derive boundary layer height 8, boundary layer displacement thickness 84, boundary layer momentum thickness 0, wall shear stress To, local skin friction coefficient c, and total drag coefficient C, for turbulent boundary layer flow with power law constant, n 5. Discuss by comparing your answers to turbulent boundary layer flow with power law constant, n = 7. %3D Take the empirical wall shear stress: To = 0.0204pU %3D SU 14

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 5.29P: Air at 20C flows at 1 m/s between two parallel flat plates spaced 5 cm apart. Estimate the distance...

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A hydrofoil 51 cm long 4 m wide moves at 1m/s in water at temperature 20 C. Use laminar boundary theory to find,(a) The Drag force and Boundary layer thickness at the trailing edge of the hydrofoil.(b) What would be the effect on Drag force and Boundary layer thickness if water is replaced with CO2 at the same condition?
(b) In two dimensional boundary layer, shear stress was changed linearly from the solid surface toward y-axis until it reach the value of zero at y = ở. Based on Table 2 and setting given to you; (i) Derive the equation of displacement thickness and momentum thickness using Von Karman Approximation Method ; and (ii) Determine the accuracy of this method in determining the value of displacement thickness and momentum thickness. C5 Table 2: Equation of Velocity Profile Setting Equation wU = 2y/8 - (y/S² 1
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