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The linearized pressure distribution for Mach number greater than 5 matches the coefficient of pressure derived from the exact shock theory.

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The linearized pressure distribution for Mach number greater than 5 matches the coefficient of pressure derived from the exact shock theory.

(a) True

(b) False

I had been asked this question in exam.

Question is taken from Linearized Supersonic Flow topic in portion Linearized and Conical Flows of Aerodynamics

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Right answer is (b) False

The best explanation: The coefficient of pressure as obtained from the linearized supersonic theory and the exact oblique shock theory match only until small value of semi angle θ. As the Mach number increases beyond 4, the linearized theory results are not as accurate at the exact oblique shock theory.

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