Question: Air is cooled as it flows through a 30-cm-diameter duct. The inlet conditions are Ma 1 = 1.2, T 01 = 350 K, and P

Air is cooled as it flows through a 30-cm-diameter duct. The inlet conditions are Ma₁ = 1.2, T₀₁ = 350 K, and P₀₁ = 240 kPa and the exit Mach number is M_a2 = 2.0. Disregarding frictional effects, determine the rate of cooling of air.

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