A factory generates compressed air from 100 kPa, 17℃ by compressed to 1000 kPa, 600 K, after which it cools in a constant pressure ciller to 300 K

constant-pressure

#1

A factory generates compressed air from 100 kPa, 17℃ by compressed to 1000 kPa, 600 K, after which it cools in a constant pressure ciller to 300 K. Find the specific compressor work and the specific heat transfer in the cooler.

Answer:

w = n/(n−1) ∗ R ∗ (T2 − T1) =-272.9346 kj/kg
q= cp ∗ (T3 − T2) = 1:005 ∗ (300 − 600)=-300.5 kj/kg