Air flows steadily and isentroplcally into an aircraft inlet at a rnass flow rate of 100 kgs·1• At a section where the cross-sectional area is 0.5 m2 , the temperature and pressure are 200 K and 20 kPa, respectively. Determine the velocity, pressure and cross-sectional area at a downstream section where the temperature is 350 K. Sketch the flow passage, and show the · process on a T-s diagram

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