(Solution) - Air flows at Mach 0 5 in a channel with cross sectional -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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Air flows at Mach 0.5 in a channel with cross-sectional area of 0.16 m2. The temperature and pressure are 800 K and 800 kPa, respectively.
(a) Calculate the mass flow rate () through the channel.
(b) What should the cross-sectional area be reduced to before the mass flow rate is affected? Assume the flow to be isentropic.