本文针对汽油发动机余热温度的特点,采用有机Rankine循环(Organic Rankine Cycle,ORC)回收发动机的排气和冷却水废热.利用计算机程序对循环中各主要状态点的热力参数和热力性能进行了理论计算,确定了最佳参数值,进行了有机工质的筛选.最终选定环戊烷和R113作为发动机余热回收利用蒸气动力循环的工质.
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