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Determine Flat plate skin friction coefficient if Reynolds number is 123500. Consider flow to be laminar.

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Determine Flat plate skin friction coefficient if Reynolds number is 123500. Consider flow to be laminar.

(a) 0.0038

(b) 1.234

(c) 0.045

(d) 123500

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Query is from Aerodynamics in division Aerodynamics of Aircraft Design

1 Answer

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Right option is (a) 0.0038

Easy explanation: Laminar flow flat plate skin friction coefficient = 1.328 / (Reynolds number^0.5)

= 1.328 / (123500^0.5) = 0.0038.

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