空调热水器系统研究毕业外文文献翻译名师（完整版）资料(可以直接使用，可编辑优秀版资料，欢迎下载）外文翻译(英文原文)ABSTRACTTheworkingprinciplesandthebasicfeaturesofairconditioningwaterheater(ACWH)systemareintroducedinthispaper.Theairconditioningwaterheatersystemcanoperateinfivemodes:water-heatingonly,space-coolingandwater-heating,space-heatingandwater-heating,space-cooling,space-heating.Comparatively,thesystemcanprovidemuchbetterenergyperformanceandhigherequipmentutilizationthroughoutayear,andcauselessthermalpollutionthanheatpumpwaterheaterandcommonairconditioner.Aprototypewithfivemodeswasassembledandtestedattheambienttemperaturefrom-7℃to43℃,especiallywhenfrosting.Whenitworksinthewater-heatingmode,itcansupply55℃hotwaterwithintwominutes,andthecondensingpressureisjustsamewithcommonairconditioner.Whensomemodesswitch,thetemperatureoftheoutlethotwaterisconstant.TheoreticalanalysisandexperimentalstudyweredonetotheACWHinthisthesis:1.Theprototypewastestedintheair-conditionerlaboratoryofGREE.Thetestingdataindicatethattheprototypeaccordswellwiththenationalstandardsofairconditionerandheatpumpwaterheater.2.Basedontheexperimentalresults,analysiswasdoneontheACWHinmainoperatingmodesandsomeimportantconclusionsweregiven，Theresultsindicatethatthenewsystemcansaveenergythroughmulti-duties,anditcanworkstablyinfiveworkmodeswithhighefficiency.Comparedwithothermodels,thenewsystemalsoincludesair-conditioningunitandwaterheaterunit,butwithfewercomponentsandhigherreliability.Basedoncommonairconditioner,thissystemcanofferapracticablesolutioncouplingairconditionerandwaterheater.Itmustbechangingthemarketsofbothairconditionerandwaterheater.INTRODUCTIONTheheatpumpwaterheater(HPWH)hasbeenusedsince1950s,mainlyforhouseholdapplications.Itabsorbsheatenergyfromtheambientairtoacquirehotwater.Inthelast20years,thestudyintendstodesignheatpumpwaterheaterwithhighreliabilityandpracticability,andmanymanufacturersturntoofferthisproductionbasedonenvironmentalprotectionandenergysaving.InSouthAfrica,HPWHhaspenetrated16percentofthemarketshareforcommercialwate