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Air flows parallel to the surface of a smooth flat plate 10 m lon thickness at the leading edge. The Reynolds number at the trailing edge of the plate is 107. Calculate the total drag force due to skin friction on one side of the plate per unit width. Assume that for laminar boundary layer, up to Re, = 5 x 105, the skin friction coefficient is 1.328(Re)-1/2 and for turbulent boundary layer 0.078(Re)-1/5, Take the density of air as 1.2 kg/m² and its dynamic viscosity as 1.8 x 10-5 kg/ms Gr

Air flows parallel to the surface of a smooth flat plate 10 m lon thickness at the leading edge. The Reynolds number at the trailing edge of the plate is 107. Calculate the total drag force due to skin friction on one side of the plate per unit width. Assume that for laminar boundary layer, up to Re, = 5 x 105, the skin friction coefficient is 1.328(Re)-1/2 and for turbulent boundary layer 0.078(Re)-1/5, Take the density of air as 1.2 kg/m² and its dynamic viscosity as 1.8 x 10-5 kg/ms Gr

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Air flows parallel to the surface of a smooth flat plate 10 m long. The boundary thickness at the leading edge. The Reynolds number at the trailing edge of the plate is 107. Calculate the total drag force due to skin friction on one side of the plate per unit width. Assume that for laminar boundary layer, up to Re, = 5 x 105, the skin friction coefficient is Gr 1.328(Re)-1/2 and for turbulent boundary layer 0.078(Re)-1/5. Take the density of air as 1.2 kg/m³ and Its dynamic viscosity as 1.8 x 10-5 kg/ms
Transcribed Image Text:Air flows parallel to the surface of a smooth flat plate 10 m long. The boundary thickness at the leading edge. The Reynolds number at the trailing edge of the plate is 107. Calculate the total drag force due to skin friction on one side of the plate per unit width. Assume that for laminar boundary layer, up to Re, = 5 x 105, the skin friction coefficient is Gr 1.328(Re)-1/2 and for turbulent boundary layer 0.078(Re)-1/5. Take the density of air as 1.2 kg/m³ and Its dynamic viscosity as 1.8 x 10-5 kg/ms
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