Air enters a compressor in steady flow at 150 kPa, 17 ◦ C and 80 m/s and leaves at 350 kPa and 127 ◦ C and 120 m/s. The environment is at 100 kPa and 7 ◦ C. Calculate for unit mass of air (i) the...

Air enters a compressor in steady flow at 150 kPa, 17
^◦C and 80 m/s and leaves at

350 kPa and 127
^◦C and 120 m/s. The environment is at 100 kPa and 7
^◦C. Calculate

for unit mass of air

(i) the actual amount of work required.

(ii) the minimum work required.

(iii) the irreversibility of the process.