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Hypersonic similarity is applicable for only irrotational flow.

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in Aerodynamics by (773k points)
Hypersonic similarity is applicable for only irrotational flow.

(a) True

(b) False

The question was posed to me in quiz.

The query is from Hypersonic Similarity in section Transonic and Hypersonic Flows of Aerodynamics

1 Answer

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Best answer
Correct option is (b) False

Easiest explanation: While deriving for hypersonic similarity using the governing equations for hypersonic flow, there is no assumption made for rotational or irrotational flow. Thus, when the graph is plotted for both rotational and irrotational flow for different values of freestream velocity and slenderness ratio, both the graphs are same.

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