A smooth flat plate with a sharp leading edge is placed along a free stream of water flowing at 2.5 m/sec. At what distance from the leading edge will the boundary layer transition from laminar to turbulent flow? Take density of water as 1000 kg/m3 and its viscosity as 1 centipoise. Also, what will be the boundary layer thickness at that distance? (Assume Rec = 3.2 × 105)

A smooth flat plate with a sharp leading edge is placed along a free s

1.	A smooth flat plate with a sharp leading edge is placed along a free stream of water flowing at 2.5 m/sec. At what distance from the leading edge will the boundary layer transition from laminar to turbulent flow? Take density of water as 1000 kg/m3 and its viscosity as 1 centipoise. Also, what will be the boundary layer thickness at that distance? (Assume Rec = 3.2 × 105)
A.	12.8 cm and 0.113 cm
B.	14.2 cm and 0.113 cm
C.	12.8 cm and 0.125 cm
D.	14.2 cm and 0.125 cm
Answer» B. 14.2 cm and 0.113 cm

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