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A jet plane is flying at 10 km with a cabin pressure of 101 kPa and a cabin temperature of 20°C Suddenly a bullet is fired inside the cabin and pierces the fuselage the resultant hole is 2 cm in

A jet plane is flying at 10 km with a cabin pressure of 101 kPa and a cabin temperature of 20°C. Suddenly a bullet is fired inside the cabin and pierces the fuselage; the resultant hole is 2 cm in diameter. Assume that the temperature within the cabin remains constant and that the flow through the hole behaves as that through a converging nozzle with an exit diameter of 2.0 cm. Take the cabin volume to be 100 m3 . Calculate the time for the cabin pressure to decrease to one-half the initial value. At 10 km, p = 26.5 kPa and T = 223.3 K.
 

Jun 16 2020 View more View Less

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