Question: Air is cooled as it flows through a 20-cm-diameter duct. The inlet conditions are Ma1 = 1.2, T01 = 350 K, and P01 = 240

Air is cooled as it flows through a 20-cm-diameter duct. The inlet conditions are Ma1 = 1.2, T01 = 350 K, and
P01 = 240 kPa and the exit Mach number is Ma2 = 2.0.
Disregarding frictional effects, determine the rate of cooling of air.

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