Consider an infinitely thin flat plate with a 5 m chord at an angle of attack of 5° in a supersonic flow. The pressure and shear stress distributions on the upper and lower surfaces are given by pu= 3 x 105 cos(TT x) + 4.9 x 105, pj= 6 x 105 cos(TT X) + 1.15 x 10°, Tu= 301x 0.4, and T/= 699x-0.4, respectively, where x is the distance from the leading edge in meters and p and 7 are in Newtons per square meter. Calculate the normal and axial forces, the lift and drag, moment about the leading edge, and moment about the one- quarter chord, all per unit span. Also, calculate the location of the center of pressure. (Round axial force to the nearest whole number and other answers to two decimal places.) Note: Do not use small-angle approximation. x 106 N/m. N/m. The normal force is The axial force is 106 105 N/m. The lift is N/m. The drag is
Consider an infinitely thin flat plate with a 5 m chord at an angle of attack of 5° in a supersonic flow. The pressure and shear stress distributions on the upper and lower surfaces are given by pu= 3 x 105 cos(TT x) + 4.9 x 105, pj= 6 x 105 cos(TT X) + 1.15 x 10°, Tu= 301x 0.4, and T/= 699x-0.4, respectively, where x is the distance from the leading edge in meters and p and 7 are in Newtons per square meter. Calculate the normal and axial forces, the lift and drag, moment about the leading edge, and moment about the one- quarter chord, all per unit span. Also, calculate the location of the center of pressure. (Round axial force to the nearest whole number and other answers to two decimal places.) Note: Do not use small-angle approximation. x 106 N/m. N/m. The normal force is The axial force is 106 105 N/m. The lift is N/m. The drag is
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter10: Stresses In A Soil Mass
Section: Chapter Questions
Problem 10.12P: Refer to Figure 10.43. A strip load of q = 1450 lb/ft2 is applied over a width with B = 48 ft....
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