CV at steady state Steady state: Mass balance: ∑m=∑m Energy balance: 0-a.-成，+区a(a+是+-Σe+号+s Entropy balance: 70 dS= "'dt 汽区 Not conserved!! These equations often must be solved simultaneously. irreversibilities 上游充通大 April 23,2019 4 SHANGHAI JIAO TONG UNIVERSITYApril 23, 2019 4 CV at steady state Steady state: Mass balance: Energy balance: Entropy balance: 0 These equations often must be solved simultaneously. Not conserved!! irreversibilities