论文建筑环境与设备工程毕业论文中英文资料外文翻译文献.docx
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论文建筑环境与设备工程毕业论文中英文资料外文翻译文献.docx
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论文建筑环境与设备工程毕业论文中英文资料外文翻译文献
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建筑环境与设备工程毕业论文中英文资料外文翻译文献
篇一:
建筑环境与设备工程中英文对照外文翻译文献
中英文对照外文翻译文献
(文档含英文原文和中文翻译)
原文:
GroundSourceHeatPump
Atpresent,energyisthemostimportantelementforthedevelopmentofstates’
economy.Becauseofthegoodenergy-savingeffect,usingregenerateresourceofenergy,andnopollution,theGROUNDSOURCEHEATPUMPAIR-CONDITIONisusedmoreandmorepopularnow.InthesystemoftheGROUNDSOURCEHEATPUMPAIR-CONDITION,theterminaldeviceswhatincludethefan,thedeepwellpump,thecirculatepumparethebiggestenergy-consumedpartexcepttheinnerdeviceaswellasthecompressormotor,etc.Soitisveryimportantandsignificant
tomaketheterminaldevicesrunninginthemostenergy-savingcondition.Inthispaper,theauthorfoundedontheGROUNDSOURCEHEATPUMPAIR-CONDITIONinGuangxiUniversity,basedontheactualprojectcondition,madetheredesignthroughthewayoffrequencyconversion
technologyfortheoldsystemofGROUNDSOURCEHEATPUMPAIR-CONDITION.Atfirst,theequipments’runningcontrolsystemwereimprovedfollowingtheenergy-savingprincipleoffanandpump,chousedMitsubishiFRseriesfrequencytransducerwithvector-control
function,MitsubishiFX2NseriesPLCandotherauxiliarypartstomakeupoftheauto-controlsystemfortheGROUNDSOURCEHEATPUMPAIR-CONDITION,andthendidtheemulatinganalysisforthevector-controlmodeinthefrequencyconversionprocess.Inthenextbasedtheauto-controlsystem,madethePLCcontrolsystemdesigning.Thissystemmonitorthetemperatureandfluxinaccurateandrealtime,theninputfeedbacktotheplc,finallytheterminaldevicerunningstatuswillcorrespondtothecustomer’sdemanded-load,itcanwellmeetthegoalforsavingenergyandprolongthelifeofthemotorandotherdevice.Atthesametime,designedthePLCcontrolprocess,accordingtothistransformationofthespecificprogramme,programmedforthePLCbyusingtheFX-GP/WIN-Cprogrammesoftware.ResearchedandanalysesthePID
algorithmanditsimprovedalgorithmforthePIDOperationalmoduleinthePLC.Atlast,throughdetailedanalysisandaccountedforenergy-savingeffectandthecostofthe
system-reforming,validatedtheprofitabilityofthisredesigned-project,andshoweditsfeasibilityandworth
Beusingrenewablegeothermalenergyinshallowgroundlayer,agroundsourceheatpump(GSHP)technologyisknownasoneofairconditioningtechniqueswhichhavethegreatestdevelopmental.TheGSHPhasgreatpotentialsinenergyreductionandinreducingCO2
emissionstoconventionalHVACsystems.InChina,energyshortageandenvironmentalissuesposeaseriouschallengeaccompaniedbyrapideconomicgrowth.GSHPhasbeenspotlightedasbothenergyefficiencyandenvironmentalbenefits.Generally,theinitialinvestmentforaGCHPsystemishigherthanthatofaconventionalsystem.GCHPenergysavingswilloffsetthehigherinstallingcostinfuture.However,therearemanyaspectsaffectingtheactualamountofenergy
saved,suchasclimate,buildingload,groundheatexchanger,heatpump,control,etc.Recently,alotofresearchontheenergyperformanceofGCHPhasbeencarriedout.However,mostofthesepreviousresearchprojectsevaluatedtheperformanceofGCHPsystembasedonalaboratoryscaleorasmallcapacitysystem.Thereislittledatadocumentingthelong-termperformanceofalarge-sizedGCHP.EvalutionandresearchonrealworldinstalledGCHPwillprovideamoreaccurateunderstandingofthecurrenttechnology’sperformance.ThepaperpresentedthattheenergyperformanceevaluationoftwotypesofGSHPsbasedonactualoperationaldata.ThetwotypesofGSHPswereground-coupledheatpumpsystem(GCHPs)andgroundwaterheatpumpsystem(GWHPs)whichwere,respectively,installedintwoapartmentbuildingsofWuhan,China.Inoneyear,wemonitoredvariousoperatingparameters,includingtheoutdoortemperature,theflowrate,electricalconsumption,andthewatertemperature.Thecoefficientofperformance(COP)valuesofsystemandchillerweredeterminedbasedonaseriesofmeasurements.DuringresidentialGCHPsystemoperation,theheatinjectionrateintosoilislargerthantheheat
extractionrateoutofsoil.TheCOPofchillersoftheGCHPsdecreasedsignificantlyduringtheheatingseasonduetotheloweringofgroundsoiltemperature.Thesystempowerconsumptionexhibitedastronglinearrelationshipwithoutdoortemperatureinbothseasonsandthissuggeststhatnormalizingpowerconsumptionagainstdegree-daysisahighlypracticalindexinenergyanalysisinresidentbuildings,especiallyinwinter.Someresearchtopicswerestudiedonthetwoactualcases.Anexergyanalysisofagroundwaterheatpumpsystemontheactualoperationwasconduced.Theenergyefficiencyandexergylossandefficiencyineachofthecomponentsofthesystemaredeteminedfortheaveragemeasuredparametersobtainedfromthemonitoredresultsofthehottestmonthandthecoldestmonth.Inefficientfactsarefoundoutandincreasedenergyefficienciesoftwoproposedimprovementmeasureswereestimated.Lowerapproach
temperatureiseffectiveenergysaving.Inadditiontotheenergyanalysis,afullexergyanalysishelpstoidentifythecomponentswhereinefficienciesoccur.Aneconomicanalysismodelfor
GWHPwasestablishedtocalculateenergyconsumptionandoperatingcostbasedonabaselinecondition.Plateheatexchangerflowrateandgroundwaterflowratewereoptimizationparametersaccordingtodifferentwaterpriceofthegroundwater:
GWHPsurveydatashowstheimpactofwaterpriceongroundwaterflowrateindesign.Thelong-termenergyperformancesofthe
GWHPsandtheGCHPswereinvestigatedandcomparedwithconventionalHVACsystemsandotherGSHPsonliteraturedata.Aperformancesmodelwasestablishedbaseonthetwocasestoconstrastthepredictedperformancewiththeactualperformance.Basedonsuperpositiontheoremofgeothermalheatexchangers(GHE),ainversemodelforGHE,G-functionsinterpolation
approachwasproposed.LinearinterpolationmethodwasadoptedtofitG-functions.ThemethodpresentedhereusestheNelderandMeadsimplexalgorithmaspartofaparameterestimationalgorithmtoestimateG-function.ForverificationofG-functionsinterpolationapproach,a
numericalexperimentationhadbeenconductedwheresyntheticloadonGHEwasestablished.Thesimulationresultswitherrorandnoerror,wereinverselymodeledbyG-functionsinterpolationapproachandDSTcalibratedapproach.TheactualdatasetofasmallsizedandalargesizedGSHPswerealsousedininversemodelingtoverifytheresultsfromtheG-functionsinterpolationapproach.ThesmallsizedGSHPswasfromliterature.ThelargesizedverticalGSHPswasthemonitoredcaseinthepaper.AdetailedDSTmodelofaGHEhasbeencalibratedtomonitoreddata.Thesecondyearpredictedtemperaturescalculatedbythetwomodelswerecomparedwiththemeasured.Theresultsshowthetwoapproachesarereliableandhavegoodperformanceoferrortolerance.TheerrorofGHEwatertemperaturecalculatedbyG-functionsinterpolation
approachwaslessthanDSTcalibratedapproaches.Thedataerrorinverselymodeledwasmainlyfromrecordeddaydata.AsaextensionstudyoftheG-functionsinterpolationmodel,degree-dayG-functionsapproachwasproposed.Themodelwasbasedondegree-daypredictionloadandcanbeappliedontheresidentialbuildings.ThestandarddeviationofGHEwatertemperaturebydegree-dayG-functionsapproachwaslargerthanDSTcalibratedapproaches.Theresultshowstheappropriatenessofdegree-dayG-functionsinterpolationapproachforthequantitative
modelingofGHE.Thispapershowsthattheresearchonactualperformanceaccordingmeasureddataandpresentstwoinversemodels:
G-functionsinterpolationmodel,degree-dayG-functionsmodelapproach,whichprovidesnewmethodsforGHEinversemodeling
Withthesustainabledevelopmenttheorybeingputforwardinrecentyears,peoplepaymoreandmoreattentiontoenergyefficiencyandenvironmentalprotection.TheGroundSourceHeatPump
(GSHP)air-conditioningsystemhasbeenakindofnewtechnologytosaveenergyandprotectenvironment.ThispapergivesanoverviewoftechnologyeconomyanalysisonGSHP
Air-conditioningSystemandoptimizationdesignofitsgroundheatexchanger,whichprovidehelpfulsuggestiontoengineers.First,thispapergivesanoverviewofthehistoryofGSHPsysteminChinaandforeigncountries.BasedontheworkprincipleoftheGSHPsystem,the
characteristicsofthreecirculationshavebeenproposed,whicharetheuseofrenewableenergysavingandenvironmentalfriendly,etc.hitermsoftechnologyeconomy,theGSHP
air-conditioningsystemwascomparedwiththeairsourceheatpumpsystem,thewatersourceheatpumpsystemandthetraditionalcentralair-conditioningsystem.MainindexesaregiventoevaluatethetechnologyeconomyoftheGSHPair-conditioningsystem.Apracticalprojectwasusedasanexamplefortheanalysis.Ground-loopheatexchangerisanimportantpartoftheGSHPair-conditioningsystemanddeferentfromothertraditionalair-conditioningsystems.ThispapergavedetaileddesigningmethodofGround-loopheatexchanger,includingloadcalculation,pipelayout,choiceoftubesanditsmaterial,antifreezemethod,calculationofpressuredrop,etc.TakentheGSHPair-conditioningsysteminthereportroomofShandongInstituteofArchitectureandEngineeringasanexample,itsdesignwasanalyzedandtheoptimizationdesignofground-loopheatexchangerwasproposed.
Thepeopleattentiontoenergyefficiencyandenvironmentalprotection,whichdecidethe
sustainabledevelopmentofthecountry.TheGroundSourceHeatPump(
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