help 5. An airplane wing is designed to move through air at a speed of V= 8 m/s. It has a span of S=9 m and a chord length I.= 1.5 m. The wing is to be tested using a small 1/10 th scaled model of the wing in water tunnel - keeping the ratio S/Lfixed. The drag force F on the wing is given functionally by F = f ( p, u, V, L, S). (a) using the repcating variables p,V, Lexpress the relation in 3 dimensionless Pi groups „11 = f(T2, T3) ; (b) what speed in the water tunnel is necessary fordynamic similarity?; (c) what will be the ratio of forces Fmodel/ Factual ?[Approx ans: (b) V~ 3.7 m/s; (c) Fm/Fa ~ 4.5 ]

GIVEN : L=1.5m S=9m V=8m/s SM/SP=LM/LP=1/10 GIVEN DRAG FORCE ON THE WING IS GIVEN FUNCTIONALLY,…

5. An airplane wing is designed to move through air at a speed of V= 8 m/s. It has a span of S = 9 m and a chord length I. = 1.5 m. The wing is to be tested using a small 1/10 th scaled model of the wing in water tunnel - keeping the ratio S/L fixed. The drag force F on the wing is given functionally by F = f( p, µ, V, L, S). (a) using the repcating variables p,V, L express the relation in 3 dimensionless Pi groups ,71 = f(T2, T3); (b) what speed in the water tunnel is necessary for dynamic similarity?; (c) what will be the ratio of forces Fmodel/ Factual ? [Approx ans: (b) V~ 3.7 m/s; (c) Fm/Fa ~4.5 ]

5. An airplane wing is designed to move through air at a speed of V= 8 m/s. It has a span of S = 9 m and a chord length I. = 1.5 m. The wing is to be tested using a small 1/10 th scaled model of the wing in water tunnel - keeping the ratio S/L fixed. The drag force F on the wing is given functionally by F = f( p, µ, V, L, S). (a) using the repcating variables p,V, L express the relation in 3 dimensionless Pi groups ,71 = f(T2, T3); (b) what speed in the water tunnel is necessary for dynamic similarity?; (c) what will be the ratio of forces Fmodel/ Factual ? [Approx ans: (b) V~ 3.7 m/s; (c) Fm/Fa ~4.5 ]

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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