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A converging nozzle feeds an insulated square duct (L = 224 ft, W = H =...

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Mechanical Engineering

A converging nozzle feeds an insulated square duct (L = 224 ft,W = H = 8.0 in, f = 0.02) with air flowing steadily at 7200lbm/min. The inlet stagnation temperature and stagnation pressureare respectively equal to 116 deg F and 190 psia. Calculate theexit Mach number, exit pressure, exit stagnation pressure and exitstagnation temperature. Ans. 0.67, 70.2 psia, 94.9 psia, 116 degF.

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