exchanging heat with two finite bodies of equal heat capacities at temperatures $T_1$ and $T_2 (T_1 \gt T_2)$. - Mumbai university > MECH > SEM 3 > THERMO

Marks: 5M

Year: May 2015

Let Q1 be the heat flowing from T1 and Q2 be heat entering T2.

. η = 1- T2/T1

Maximum work = Qη = Q(1- T2/T1)

= T1(s2-s1) (1- T2/T1) …. (because Q = Tds)

= Q – T1(s2-s1)