Consider a flow past a long axisymmetric cone of half-angle ?c=20? that moves in

Question

Consider a flow past a long axisymmetric cone of half-angle ?c=20? that moves in air with
speed 700 m/s through air at sea level and temperature 20?C. The angle of attack is zero.
Plot a schematic structure of the flow and say whether the flow is
a. Irrotational
b. Isentropic
Explain your answers.
b) Repeat (a) for the case when the angle of attack is 8?.

For part (b) , identify a physically impossible feature of the flow. Explain why it
appears in our solution and how the paradox is resolved in nature.

Explanation / Answer

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