Closed system entropy balance Clausius inequality: R Only in process I 个 int rev; Cycle:“1--2”+“2-R-1" ,'Definition of△S s-=(9) Internally irreversible (9) +(S1-S2)=-0 S2-S1= Internally reversible entropy entropy entropy change transfer production 上游充通大 April 18,2019 6 SHANGHAI JLAO TONG UNIVERSITYApril 18, 2019 6 Closed system entropy balance Cycle: “1-I-2” + “2-R-1” Internally irreversible Internally reversible Clausius inequality: Only in process I Definition of ∆S