Continue Rankine Cycle Performance Trends Continue effect of superheat on performance: Consequence of superheating: △Tsup〔C) 7 X4 0 0.186 0.858 54 0.190 0.913 278 0.217 -(superheated) Note: Increasing ATsup does not have big effect on thermal efficiency,but is needed to increase x4 to a "practical"value! 上游充通大学 May9,2019 4 SHANGHAI JLAO TONG UNIVERSITYMay 9, 2019 4 Continue Rankine Cycle Performance Trends Continue effect of superheat on performance: • Consequence of superheating: DTsup ( oC) h x4 0 0.186 0.858 54 0.190 0.913 278 0.217 - (superheated) Note: • Increasing DTsup does not have big effect on thermal efficiency, but is needed to increase x4 to a “practical” value!