5-40 Air at 80 kPa, 27°C, and 220 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 42°C. The exit area of the diffuser is 400 cm2. The air is estimated to lose heat at a rate of 18 kJ/s during this process. Determine a) the exit velocity and b) the exit pressure of the air. Answers: a) 62.0 m/s, b) 91.1 kPa | |
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