Air at free-stream velocity of 9 m/s flows over a thin flat plate of length 3 m and width 1.5 m. A laminar boundary layer develops from the leading edge of the flat plate. At Re. = 500 000, the boundary layer becomes a turbulent boundary layer where x is the distance from the leading edge. Pair = 1.2 kg/m², µair = 1.8 x 10° kg/m.s (a) Estimate the length of the laminar boundary layer. (b) Estimate the drag force due the laminar boundary layer on one side of the flat plate. (c) Estimate the boundary layer thickness and wall shear stress at x = 2.5 m.

Air at free-stream velocity of 9 m/s flows over a thin flat plate of length 3 m and width 1.5 m. A laminar boundary layer develops from the leading edge of the flat plate. At Re. = 500 000, the boundary layer becomes a turbulent boundary layer where x is the distance from the leading edge. Pair = 1.2 kg/m², µair = 1.8 x 10° kg/m.s (a) Estimate the length of the laminar boundary layer. (b) Estimate the drag force due the laminar boundary layer on one side of the flat plate. (c) Estimate the boundary layer thickness and wall shear stress at x = 2.5 m.

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 5.49P

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