Air at 15 °C flows at V = 5 m/s over a flat plate of length L= 6 m and width W = 2 m. Calculate the distance from leading edge to the point where the boundary layer is turned from laminar to turbulent for the following cases: a. Surface of plate is smooth.

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Chapter5: Analysis Of Convection Heat Transfer
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Question # 3
Air at 15 °C flows at V = 5 m/s over a flat plate of length L= 6 m and width W = 2 m.
Calculate the distance from leading edge to the point where the boundary layer is turned from
laminar to turbulent for the following cases:
a. Surface of plate is smooth.
b. Surface of plate is rough.
Also calculate the drag force acting on one side of plate for each case.
V = 5 m/s
6 m
Transcribed Image Text:Question # 3 Air at 15 °C flows at V = 5 m/s over a flat plate of length L= 6 m and width W = 2 m. Calculate the distance from leading edge to the point where the boundary layer is turned from laminar to turbulent for the following cases: a. Surface of plate is smooth. b. Surface of plate is rough. Also calculate the drag force acting on one side of plate for each case. V = 5 m/s 6 m
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