A wing has thickness of 15% of chord then, find the approximated wetted area. Given exposed area A is 10m^2.(a) 20.55m^2(b) 26.55(c) 36(d) 56This question was addressed to me during an internship interview.My question is taken from Configuration Layout in division Configuration Layout and Loft of Aircraft Design

A wing has thickness of 15% of chord then, find the approximated wette

1.	A wing has thickness of 15% of chord then, find the approximated wetted area. Given exposed area A is 10m^2.(a) 20.55m^2(b) 26.55(c) 36(d) 56This question was addressed to me during an internship interview.My question is taken from Configuration Layout in division Configuration Layout and Loft of Aircraft Design
Answer» Right choice is (a) 20.55m^2 The explanation: GIVEN thickness t = 15% of chord = 0.15c, A = 10m^2. For given thickness, wetted area AW is given by, Aw = A(1.977+0.52(t/c)) = 10(1.977+0.52*0.15) = 20.55m^2

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