未来的热舒适性——优越性和期望值 毕业设计外文翻译

《未来的热舒适性——优越性和期望值 毕业设计外文翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、Thermalcomfortinthefuture-ExcellenceandexpectationP.OleFangerandJørnToftumInternationalCentreforIndoorEnvironmentandEnergyTechnicalUniversityofDenmarkAbstractThispaperpredictssometrendsforeseeninthenewcenturyasregardstheindoorenvironmentandthermalcomfort.Onetrendd

2、iscussedisthesearchforexcellence,upgradingpresentstandardsthataimmerelyatan“acceptable”conditionwithasubstantialnumberofdissatisfied.Animportantelementinthisconnectionisindividualthermalcontrol.Asecondtrendistoacknowledgethatelevatedairtemperatureandhumidityhaveas

3、trongnegativeimpactonperceivedairqualityandventilationrequirements.FuturethermalcomfortandIAQstandardsshouldincludetheserelationshipsasabasisfordesign.ThePMVmodelhasbeenvalidatedinthefieldinbuildingswithHVACsystemsthatweresituatedincold,temperateandwarmclimatesand

4、werestudiedduringbothsummerandwinter.Innon-air-conditionedbuildingsinwarmclimatesoccupantsmaysensethewarmthasbeinglessseverethanthePMVpredicts,duetolowexpectations.AnextensionofthePMVmodelthatincludesanexpectancyfactorisproposedforuseinnon-air-conditionedbuildings

5、inwarmclimates.TheextendedPMVmodelagreeswellwithfieldstudiesinon-air-conditionedbuildingsofthreecontinents.Keywords:PMV,Thermalsensation,Individualcontrol,Airquality,AdaptationASearchforExcellencePresentthermalcomfortstandards(CENISO7730,ASHRAE55)acknowledgethatth

6、ereareconsiderableindividualdifferencesbetweenpeople’sthermalsensationandtheirdiscomfortcausedbylocaleffects,i.e.byairmovement.Inacollectiveindoorclimate,thestandardsprescribeacompromisethatallowsforasignificantnumberofpeoplefeelingtoowarmortoocool.Theyalsoallowfo

7、rairvelocitiesthatwillbefeltasadraughtbyasubstantialpercentageoftheoccupants.Inthefuturethiswillinmanycasesbeconsideredasinsufficient.Therewillbeademandforsystemsthatallowallpersonsinaspacetofeelcomfortable.Theobviouswaytoachievethisistomovefromthecollectiveclimat

8、etotheindividuallycontrolledlocalclimate.Inoffices,individualthermalcontrolofeachworkplacewillbecommon.Thesystemshouldallowforindividualcontrolofthegene