Question: 5 . 2 3 . Assume that a supersonic nozzle operating isentropically delivers air at an exit Mach number of 2 . 8 . The

5.23. Assume that a supersonic nozzle operating isentropically delivers air at an exit Mach number of 2.8. The entrance conditions are 180 psia, 1000R, and near-zero Mach number.
(a) Find the area ratio A3/A2 and the mass flow rate per unit throat area.

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