[精品]地源热泵英语论文.doc

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1、OntheissueofenergysavingHVACsystemsWiththerapideconomicdevelopment,energyandenvironmentalissuesbecomeincreasinglyacute.Inespeciallyhotsummer,weallappreciatethevitaltensionelectricity.Itisforeseeablethatthissituationwillariseinthefuture日ndwillbecomeincreasinglyserious.1Anenergy-savingHVACfieldthe

2、importaneeandfeasibilityofWiththesocialdevelopment,buildingenergyconsumptionintheproportionoftotalenergyconsumptionincreasingindevelopedcountrieshasreached40%,accordingtostatisticsintheHunanprovincehasreached27.8%.Muchhigherthanthepercentageinthecity.Inbuildingenergyconsumption,theenergyconsumpt

3、ionforairconditioninginanotherbuilding30%-50%energy,andintheyearbyyear.Withthecontinuousincreaseofpercapitafloorspace,theextensiveapplicationofHVACsystemsfortheenergyconsumptionofHVACsystemswillbefurtherincreased・Thiscontradictionbetweenenergysupplyanddemandwillinevitablyleadtofurtherintensifica

4、tion.Ontheotherhand,theexistingHVACsystemenergyuseisbasicallyahigh-gradenon-renewableenergy,whichaccountsfortheabsolutepowerratio.Ontheselarge-scaleuseofenergy,increasingscarcityoftheEarthZiYuan,TongShiWenTialsocauseseriousenvironmental,RuYiXieinWoguoofacidrain,airbornedustwasgrowingYanZhongZhip

5、otentialissues,ontheecologicalenvironmentandsustainabledevelopmenthasbroughtgreatimpact.CaseStudyofChangshainHunan,thesummerof2003peakloadpowersystemisabout1.6millionkilowatts,accordingtoauthoritiesestimatedthattheloadonairconditioningsystemwhichaccountedforabout60millionkilowatts.Inthehottestsu

6、mmer,ifHVACsystemsenergy-savingmeasures,notonlycangreatlyeasethepowerstrainstate,meanwhiletowardsreducingnon-renewableenergyconsumption,protecttheenvironmentandmaintainsustainabledevelopment,revitalizingtheeconomyandsohasanimportantHunansignificanee.HVACindustry,accordingtoresearchresults,theene

7、rgyconsumptionofexistingairconditioningsystemisamazing,ifweadoptenergysavingtechnology,theexistingairconditioningsystemefficiencyof20%・50%ispossible.Obviously,iftheairconditioningsysteminChangshaandbuildingsystemsusingenergy