外文翻译----高层住宅大厦中地板辐射采暖的控制方法

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1、外文资料及译文TheControlMethodsforRadiantFloorHeatinginHigh-RiseResidentialBuildingAbstractHigh-riseresidentialbuildingshouldcopewiththefluctuatingthermalloadbyaccuratecontrolbecausethethermalloadofeachzonevariessowidelywiththetime.Inordertofindtheaccuratecontrolmethodforthebuil

2、ding,thisstudyclassifiedthecurrentcontrolmethodsintosupplywatertemperaturecontrol,supplywaterflowratecontrolandsupplywatertemperatureplusflowratecontrol.Andthecomparativeexperimentsoncontrolmethodswereconductedinatestcellandthecontrolperformanceswereevaluatedbyanalyzingro

3、omairtemperature,surfacetemperatureandrisingtimeofroomtemperature.Thefluctuationoftheroomairtemperatureisreducedwhentheoutdoorresetcontrolisusedwithon/offcontrol.Therisingtimeofroomairtemperatureistheshortestwhenon/offpulsewidthmodulationcontrolisappliedduringtheheatingst

4、art-upperiod.keywords:radiantfloorheating,controlmethod,highriseresidentialbuilding1.IntroductionInkorea,manyhigh-risebuildingsareconstructedinthesedaysduetotherapideconomicdevelopmentandthehighpopulationdensities.Andasthelivingstandardsarebecomingmoreandmoreimproved,ther

5、equestforindoorenvironmentalqualityhasbecomekeyissuesforboththeresidentsandestatedevelopers.However,thebuildingisexposedtothesevereoutdoorconditionsincethewindspeedandsolarradiationincreaseasthebuildinggrowshigherandtheoutdoorconditionsintheupperatmospherearemoreseveretha

6、nthoseobservedatthegroundlevel.Forthisreason,heatingloadisboundtofluctuateandincreaseseverelyinwinter.Sothisdifferencecannotbeignoredforheatingsystemdesignandindoorcomfort(kumar1997).Furthermore,high-risebuildinggenerallygetsridofthebalconytoenlargetheavailablefloorarea,a

7、ndcomprisesacentralcoreandhousingunitstohavemoreexternalwallsandwindowsfordaylightandventilation.Consequently,theroomairtemperatureandtheheatingloadofthebuildingfluctuatetransientlyinwinterduetotheabsenceofbufferspace.Inkorea,radiantfloorheatingsystemisgenerallyadoptedinr

8、esidentialbuilding(kim2003)withthesimpleon/offcontrolmethodIfthesimplecontrolisappliedtothehigh-