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What happens to the flow which passes through a curved shock wave?

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in Aerodynamics by (773k points)
What happens to the flow which passes through a curved shock wave?

(a) Creates vorticity downstream

(b) Creates vorticity upstream

(c) Flow passes by undisturbed

(d) Flow moves parallel to the curves shock wave

I have been asked this question in class test.

The question is from Irrotational Flow in division Velocity Potential Equation of Aerodynamics

1 Answer

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Right option is (a) Creates vorticity downstream

Explanation: When the fluid flows through a curved shock wave, it undergoes a strong entropy change due to the presence of shock wave. This causes the flow to rotate leading to the formation of vorticity in the downstream region of the shock wave.

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