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Total pressure loss in a normal shock diffuser is less than the oblique shock diffuser.(a) True(b) FalseThe question was asked during an online exam.My question is based upon Quasi-One-Dimensional Flow Diffusers in section Quasi-One-Dimensional Flow of Aerodynamics

Answer»

The CORRECT answer is (b) False

Easiest explanation: In case of an oblique shock diffuser, the total PRESSURE DROP across multiple oblique hocks followed by a weak normal shock is less than a strong normal shock in case of normal shock diffuser. This is why it is preferred to opt for an oblique shock diffuser that manages to SLOW down the accelerated flow with lesser pressure loss.



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