a) The relationship between the change of flow direction de and velocity perturbation dV from speed Vacross a Mach wave
Posted: Mon May 02, 2022 3:10 pm
aero
aero
a) The relationship between the change of flow direction de and velocity perturbation dV from speed Vacross a Mach wave in a supersonic flow at Mach number M is given by dV V dᎾ M2 - 1 Consider a thin, symmetric aerofoil with chord length c of negligible thickness at angle of attack a to a supersonic free stream of Mach number Moo. Continued overleaf Page 3 of 6 i) Show that the lift and drag coefficients per unit span are given by 4α С M% -1 M. Cd + M2 where S, and are the slopes of the upper and lower surfaces relative to the chord line and s is the ordinate along the chord line. VPE-1 2-1 [ 03 + S (83 +87) 1161
aero
a) The relationship between the change of flow direction de and velocity perturbation dV from speed Vacross a Mach wave in a supersonic flow at Mach number M is given by dV V dᎾ M2 - 1 Consider a thin, symmetric aerofoil with chord length c of negligible thickness at angle of attack a to a supersonic free stream of Mach number Moo. Continued overleaf Page 3 of 6 i) Show that the lift and drag coefficients per unit span are given by 4α С M% -1 M. Cd + M2 where S, and are the slopes of the upper and lower surfaces relative to the chord line and s is the ordinate along the chord line. VPE-1 2-1 [ 03 + S (83 +87) 1161