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What is the relation between velocity of the wave and reflected shock wave?

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in Aerodynamics by (773k points)
What is the relation between velocity of the wave and reflected shock wave?

(a) WR = W

(b) WR < W

(c) WR > W

(d) WR × W = ∞

This question was addressed to me in final exam.

Origin of the question is Reflected Shock Wave topic in chapter Unsteady Wave Motion of Aerodynamics

1 Answer

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Best answer
Correct answer is (b) WR < W

Best explanation: On observing the wave diagram it is often seen that for a good reflected shock wave characteristics, the velocity of the reflected shock wave is smaller than the velocity of the wave (WR < W). Thus, in the wave diagram, the slope of the reflected shock wave path is steeper.

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