Steady state of nozzle or diffuser dt SS 0 m-ri dt d 2 832 inlet exit △PE negligible V2>V1 m +--(心，) Nozzle Relatively much smaller 上游充通大 March 28,2019 5 SHANGHAI JIAO TONG UNIVERSITYMarch 28, 2019 5 Steady state of nozzle or diffuser SS inlet exit ∆PE negligible Relatively much smaller Qcv