Answer to Question #215462 in Mechanical Engineering for Aron

Question

12 kg/min of air are isothermally compressed from 99 kPaa and specific volume of 0.81 m3/kg to a final pressure of 600 kPaa. What is the heat loss during compression?

Answer 1

Given :-

Mass Flow rate (m)= 0.2 kg/s

Intial State(1)

P1= 99 Kpa

v1= 0.81 m3/Kg

Final State(2)

P2= 600 Kpa

In a Isothermal process magnitude of work is equal to heat loss or gain

W = mP₁v ln(P₁/P₂)

W = 0.2* 99000*.81 *ln(99/600)

W = - 28897.7 J

HEAT LOSS = 288897.5 j