Question: Air flows at Mach 0.2 through a circular duct with an internal diameter of 50 cm. The total pressure of the flow is 500 kPa

Air flows at Mach 0.2 through a circular duct with an internal diameter of 50 cm. The total pressure of the flow is 500 kPa and the total temperature is 200oC. Calculate the mass flow rate (m) through the channel.

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