Compressor and pump Inlet reciprocating Compressor: compressor work on gas raise pressure Higher pressure ratio Outlet Pump: Pump work on liquid change the state Lower pressure ratio 上游充通大学 March 28,2019 2 SHANGHAI JIAO TONG UNIVERSITYMarch 28, 2019 2 Compressor and pump Compressor: work on gas  raise pressure Pump: work on liquid  change the state reciprocating compressor Higher pressure ratio Lower pressure ratio