Question: Stable air flows isentropically through a duct. In section 1 , where the cross - sectional area is 0 . 0 3 m ^ 2

Stable air flows isentropically through a duct. In section 1, where the cross-sectional area is 0.03 m^2, the air is at 50 kPa (abs),60\deg C and M=2.20. In downstream section 2, the velocity is 520 m/s. Calculate the Mach number in section 2. Sketch the shape of the duct in sections 1 and 2.

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