Energy and Entropy balance of an isolated system Suppose:all energy mass transfer within the enlarged sys. Enlarged system -7 sys Isolated system Energy balance: AE]isol=0-->△E]system+△E]sur=0 Entropy balance: agw= △S]isol=0isol ≥0 Increase of entropy principle 上游究通大浮 April 23,2019 3 SHANGHAI JIAO TONG UNIVERSITYApril 23, 2019 3 Energy and Entropy balance of an isolated system sys Enlarged system Isolated system Suppose: all energy & mass transfer within the enlarged sys. Energy balance: Entropy balance: ≥0 Increase of entropy principle