论文中英文翻译.doc
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论文中英文翻译.doc
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河南科技学院新科学院
2010届本科毕业设计
外文资料及翻译
学生姓名:
所在系别:
机电系
所学专业:
电子信息工程
导师姓名:
________
完成时间:
_2010年5月8号
ThenatureofSolarenergyair-conditioningandheatingenergy-saving
Thatenergy,environment,sustainabledevelopmentofhumansocietyisfacingmajorchallengestoday.Itmeanstoresourcesbehindtheextensiveuseoftechnical..Thathighenergyconsumptionandhighcostofwastetoachieveeconomicgrowthisabsolutelyimpermissible.Withtheoutbreakoftheenergycrisisandtheincreasingdepletionofconventionalenergysources,wemustgreatlyenabledthenewenergy-savingequipment,andgraduallytakethe"theuseofcleanenergy,conservationofconventionalenergy,benefittheenvironment,thebenefitoffuturegenerations,"theroadofsustainabledevelopment.AccordingtotheChineseandU.S.governmentsonrenewableenergycooperationprotocol,theChineseMinistryofScienceandTechnologyandtheU.S.DepartmentofEnergyhassignedacooperationagreementtojointlypromotethetechnologyinChinatoimproveChina'senergyutilizationefficiency,reduceenvironmentalpollution.
Geothermalheatpumpsareanenvironmentally-friendly,energyconservationandeconomicfeasibilityofbuildinganewheatingandcoolingtechnology,whichusesthegroundfloorofarelativelystablesoiltemperature,deepinthebuildingthroughthepipingsystembelowthesurfacebuildingsandtheheatexchangecaneasilyadjustthroughouttheyearthetemperatureinsidethebuilding.Heatingduetothecoolingmeansthereisnoformofenergyconversion,energyisa"removal"process,thusitshighenergyconversionefficiency,lowoperatingcosts.
Surfaceofshallowgeothermalresources(usuallylessthan400mdeep)canbecalledinto(EarthEnergy),isthesurfacesoil,groundwaterorriversandlakesintheabsorptionofsolarenergy,geothermalenergyandgeothermalenergypotentialoflow-temperatureposition.Ground-sourceheatpumpisabitlow-temperaturegeothermalenergyuse,asaheatpumpheatingandair-conditioningofcoldheatsourcecanbeeitherair-conditioningheatingsystem.Inwinter,heatpumptotheshallowsurfaceoftheheatout,thesupplyofindoorheating;insummerheatoutoftheroom,thereleasetothesurfaceandtoshallow.Thecharacteristicsofground-sourceheatpumpare:
First,theuseofrenewableenergytechnologies
Shallowsurfacelikeahugesolarcollector,itcollected47%ofsolarenergy,itismore500timesthanthehumanuseofenergyperyear.Tobealmostunlimited,freefromgeographic,resourceconstraintsoflow-enthalpygeothermalenergy,thehumancanbeusedcleanandrenewableenergy.Unlikesolarenergyandtobeaffectedbyclimate,isalsonotaffectedbydeep-seatedgeothermalresourcesandthegeologicalstructureoftherestrictions.Inadditiontothewinterheatingsourceheatpumpatthesametimeonthecoolingcapacitytobeabletostoretoprepareforthesummer,andsummerwhenair-conditioning,butalsotobeabletostoreheatforwinteruse.Sothatground-sourceheatpumpistheuseofrenewableenergytechnologies.
Second,highefficiencyandenergysavingandlowrunningcosts
Sourceasaresultofrelativelystabletemperaturethroughouttheyear,thewinterthantheambientairtemperaturesarehigh,thesummerairtemperaturelowerthantheenvironment,isaverygoodheatandairconditioningheatpumpcoldsource,thetemperaturecharacteristicsmakeground-sourceheatpumptorunthanconventionalairconditioningsystemefficiency40percenthigher,andthereforeenergy-savingandoperatingcostsavingsofaround40%.
Third,Significantenvironmentalbenefits
Notdamagetheundergroundwaterresources,norofanypollution,canbebuiltinresidentialareas,thereisnocombustion,nosmoke,nowaste,nowastedumpfuelsites,andnolong-rangetransportofheat.
Fourth,Amachinewiththree
Ground-sourceheatpumpheatingandcoolingcansupplyofhotandcoldforafullyearatthesametime,canalsosupplyhotwater,asinthedesigndoesnotneedcoolingtowersandboilers,investmentandcoversanareaofsignificantsavings.
therearesomanyadvantagesregardingground-sourceheatpump,soitsuseontheairconditioningindustryhasbecomeaninevitabletrend,manyscientistsarenowengagedinresearchinthisarea,andmuchprogresshasbeenmade,asthegroundsourceheatpumpair-conditioningonlyneedasmallamountofhigh-gradeenergy,usingsolarpowercanmeettherequirementsforgeothermalair-conditioning,combinedwiththerealityofourcountry,ourcountryisrichinsolarenergyresourcesintheworld.Solaristhemostprimitivesolarenergy,theplanetinalmostallotherformsofenergyaredirectlyorindirectlyfromsolarenergy.Withadequatesolarresources,longevityanddistributionofawider
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