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1、个人网站设计毕业论文制冷设计毕业论文导读:就爱阅读网友为您分享以下“制冷设计毕业论文”的资讯,希望对您有所帮助,感谢您对92to.com的支持!EffectofhotwatertemperatureFigure3showstheeffectofthetemperatureofthehotwateronthecoefficientofperformance(COP).Itisclearthatthetwo-stageLiBrabsorptionrefrigerationcannotbeoperatediftheoutlettemperatureoftheLiBraqueousso
2、lution,Th4orTl4,intheHPgeneratorandLPgeneratorisbelow58°C,undertheconditionwhenthetemperatureofchilledwateris7°candthatofthecondensercoolingwateris32°c.IfthetemperaturedifferencebetweentheinlettemperatureofthehotwaterandtheoutlettemperatureoftheLiBraqueoussolution,Th4orT14,intheHPgeneratoran
3、dLPgeneratorisassumedtobe15°C,thenatwo-stageLiBr/H20absorptionrefrigerationsystemcannotbeoperatedwhenthetemperatureofthehotwaterThi,is62under73°C.TheCOPofatwo-stageLiBr/H20absorptionrefrigerationsystemincreaseswiththetemperatureofthehotwater,butwhenthetemperatureThi,isabove87°C,orTh4andT14ar
4、eabove72°C,theincreaseofCOPisverysmall.Becausetheheatlossincreaseswhenthetemperatureoftheheatsource,Thi,isincreased,thetemperatureoftheheatsourceThiabove87°Cisnotadvantageousforatwo-stageLiBr/H20absorptionrefrigerationsystem.Figure3showsthatthebesttemperaturerangeoftheheatsourceisbetween75°C
5、and87°Cforatwo-stageLiBr/H20absorptionrefrigerationsystem.Effectofchilledwatertemperature,TchoTheinfluenceofdifferentchilledwatertemperatureTchoontheCOPofatwo-stageLiBr/H20absorptionrefrigerationsystemisshowninFigure4.Atwo-stageLiBr/H20absorptionrefrigerationsystemismoresuitableforsupplyingc
6、hilledwaterofover9°Cforairconditioningorotherapplications.Ifthetemperatureofthechilledwaterisunder7°C,theCOPisverysmallwhenthetemperatureofthecoolingwateris32°C.Effectofthetemperatureofcoolingwater,TwiThetemperatureofthecondensercoolingwater,Twi,is62oneofthefactorsaffectingtheCOPofatwo-stage
7、LiBr/H20absorptionrefrigerationsystem.TheCOPofatwo-stageLiBr/H20absorptionrefrigerationsystemdecreaseswithincreaseofthetemperatureofthecoolingwater(Figure5).ComparisonwithpreliminaryexperimentalresultsPreliminaryexperimentalresultsforatwo-stageLiBr