热泵热水器最高出水温度研究

05℃55℃[1]。50℃[2]。70℃。。1。。5℃。2.6~3.0kg/cm2。。2。。。。。ResearchofHeatPumpWaterHeaterHighestOutletWaterTemperatureGuiQiujing(,215137)(NanjingInstituteofRailwayTechnology,JiangsuSuzhou215000)。TH33A1671-4792-(2010)7-0177-03Abstract:Thispaperanalyzedtherestrictionfactoroftheheatpumpwaterheaterhighestoutlettemperature,hasdiscussedthein-fluenceoftheheattransfertemperaturedifferencetothewaterleakagetemperaturetheoretically,andcarriedontheconfirmationthroughthecomputation,itsresultmightprovidecertainreferenceforthedesignoftheheatpumpwaterheater.Keywords:heatpumpwaterheater,watertemperature,heattransfertemperaturedifference1.2.3.4.5.6.7.8.9.10.1772010.7。。。t2tkt3。tw1tw2。tw2tw1。。[4]:122:G———kg/stw———℃h2———kJ/kgh2'———kJ/kgh3———kJ/kgm———(kg/s)cp———kJ/kg.K。twtk。。△t=tk-tw34R22R417A20℃15℃10℃60℃55℃。,。3tw255℃65℃tw2△t。①②。R228℃15℃30℃5℃③R22R417A178④60℃R2265℃6℃。R417A,60℃6℃。△t≥5℃5。6。3、、、。。。[1],,.[J].,2010,347-49.[2],.[J].,2004,(6):353-357.[3],.R417aR22[J].,2003,(4):1-4.[4].[M].:,1997.[5],,.—[M].:,2003.[6].[M].:,2004.(1982—。179