离心泵总效率的影响因素分析

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,,(,421001):,,,=hvpm:;;:TH311:A:1004-7948(2003)03-0018-021,21%,,,40%70%,,,[1](),,22.1,,,,212,,,,,,,:HT=HT1+P(1)HT,mH2O;HT’,mH2O;P,,P,[2]:P=(1+260)222Z(22-21)(2)P,01650185;2,2030;Z,68;r1r2,,,12,P01290157,,,HT(01640178)HT,22%36%?,,,,,,,,,,,,,,:p=HTHT(3)HT,mH2O2.28120033ENERGYCONSERVATION(248),,,h,24:h=HHT(4),H,,,HT22%36%,,h01640178,018h,,:h=HHT=(1+P)HHT(5)H,mH2O2.3,,Q=QT-q,q,,,v:v=QQT(6)Q,m3/s;QT,m3/s2.4,,,,,m:m=NhN(7)N,kW;Nh,Nh=rQTHT,kW,Nh=rQTHT,,,rQTHT,Nh=rQTHT3(rQH)(N):=rQHN=rQHrQHTrQHTrQTHTHTHTrQHTN=HHTQQTHTHTNhN=hvpm(8)(8),,4,,,,,,,,,,,,,;,;P,,,[1].[M].:,1998.[2].[M].:,1986.9120033(248)ENERGYCONSERVATION220033ENERGYCONSERVATION(248)

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