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(),,,THESTUDYOFCFCSUBSTITUTESENGINEERINGDINGGuozhongZHENGZhengquanRENSongbaoABSTRACTThearticledescribesthemethodandthetoolsofCFCsubstitutesengineering,andindicatesnewrefrigerantshaveenergysaving.KEYWORDSCFCsubstitutes1,,,,,,,,,1987,R134a,,R600a,90,,,,,,,,?,,?,York,Carrier,DunhanBush,Maxwell,Terling,,,RC,,(Gram),,,R22(R11),R134a,90,,,,,,,,,,R134a,R141b,R142b,R411b,R600a,R122005,,,,,R12,R22R600a,,,,,,R12,,,,R134a,,2?3120032REFRIGERATIONANDAIR-CONDITIONINGVol.3,No.1February2003R11,R12,R22,,,,,,,R134a,,,(),York,C,A,K,,,,,2518,,N46,N34,,,,,,,,,,,,,,,:m=L0[g+(1-)l]Adx(1),m,,,L,A,,,,,1:,,,140W,,,,50mmHg1,,,2:2,,5kg,10kg,22.68kg,35kg,100kg5,20%(,),,,,(1m3/h,3m3/h,5m3/h),,,,,?751:,,,,,York480,,,,,,,,,,,,,:(a)/;(b)/;(c)/();(d),/;(e),,,,,,,80%90%,(2030,),,,,,,,23,,1.52,,,,,,,,,,3AWHC-200:,,,,,,,,,,,=AgA(2)A,Ag=g+(1-)l(3),,S,uGuLS=ugu1=Qg(1-)Ql(4)QgQlLockhartMartinelliX,mm=L0[g+(1-)l]Adx(5)LR411b,,106kg,110kg,136kg26kg,19%(,)/-8-4/0.240.26MPa,/80/1.55Mpa,120A,135A11%KFR-30,2416,,(55)853P,MPaT,Kv,m3/kg,kg/m3P1,MPaC0P,kJ/kgKH,kJ/kgS,kJ/kgKCls01,./.,2001,29(6):4952.2ClelandAC.Computersubroutinesforrapidevaluationofrefrigerantthermodynamicproperties.IntJRefrig,1986,9(8):345351.3ClelandAC.Polynomiccurvefitsforrefrigerantthermodynamicproperties:extensiontoincludeR134a.IntJRefrig,1994,17(4):245249.4Martin2DominguezIR,McDonaldTW.correlationsforsomesaturatedthermodynamicandtransportpropertiesofrefrigerantR-22.ASHRAETransactions,1993,99(1):344348.5,..,1999,20(6):673676.6,..,2000,21(5):533536.7,..,1997,(11):5760.8PrakashR.Damshala.ThermoeconomicanalysisofaCHPsystembyiterativenumericaltechniquesASHRAETRANSAC2TIONS,2000,106(1):327337.9C.PiaoandH.Sato.Thermodynamiccharts,tables,andequationsforrefrigerantHFC-134a.ASHRAETransactions,1991,97(2):268283.10PiaoandM.Noguchi.AnimprovedequationofstateforR-134a.ASHRAETransactions,1994,100(1):358365.11A.KamelandC.Piao.ThermodynamicchartsandcycleperformanceofFC-134aandFC-152a.ASHRAETransactions,1990,96(1):141149.12R.C.Dowing.Refrigerantequation.ASHRAETransactions,1974,80(2).158168.13..,1982.14D.P.WilsonandR.S.Basu.Thermodynamicpropertiesofanewstratosphericallysafeworkingfluid2refrigerant134a.ASHRAETransactions,1988,94(2):20952118.15..,1983.(58)4(a)(b),1..,1987.2..,1987.3..,1998.551:MHCFCs