How to prove? High-temperature reservoir High-temperature reservoir at TH atTH Receive net QL QH+OL QL HEAT REFRIG- ENGINE REFRIG- ERATOR ERATOR 1h=100% =OH #2 Combined system violate K-P statement QL violate Clausius statement Low-temperature reservoir Low-temperature reservoir at TL at TL This heat engine:convert all QH to W Heat transfers from cooler body to warmer one 公 上降文通大学 April 8,2018 13 SHANGHAI JIAO TONG UNIVERSITYApril 8, 2018 13 How to prove? Two reservoirs violate K–P statement Combined system This heat engine: convert all QH to W Receive net QL violate Clausius statement Heat transfers from cooler body to warmer one #2