置換通風(fēng)-輻射供冷系統(tǒng)的特性及其應(yīng)用的可行性研究.pdf

1、同濟大學(xué)碩士學(xué)位論文置換通風(fēng)輻射供冷系統(tǒng)的特性及其應(yīng)用的可行性研究姓名：李先中申請學(xué)位級別：碩士專業(yè)：供熱、通風(fēng)及空調(diào)工程指導(dǎo)教師：劉傳聚王子介2002.12.1同濟大學(xué)申請碩士學(xué)位論文abstractAbStractAsacomfortableandenergy—efficiencyairconditioningsystem，theapplicationoffloorradiantheatingsystemisincreasinggr

2、eatlyinthenorthofChinaSubsequentlythefeasibilityoffloorradiantcoolingisgainedmoreattentionThispaperanalysesitsmeritsandlimits，andputsforwardthatthecombinationoffloorradiantcoolinganddisplacementventilationcouldexertbo血of

3、theirmeritsThetestfacilityofthehybridsystem，floorradiantcoolinganddisplacementventilation，providessolidfoundationtoitsfeasibUitystudyThefeaturesoftheindoortemperaturefielddistributionunderdifferentoutdoortemperaturealean

4、alyzedThedryairlayernearthefloorformedbydisplacementventilationsystemCalleffectivelypreventdewsOilthesurfaceofthefloorinthewetandhotareasinstnmnerAstheheattransferbetweenthefloorandspaceinfloorcoolingsystemismostlyinthef

5、ormofradiation，theindoortemperaturefielddistributionisevenBecausethetestfacilityisbuiltrecentlymoreshouldtobedoneintheadjustmentofthedistributionandvelocityofsupplyairAnditishardtogetaccuratedataofindoorvelocityfielddist

6、ributionWiththeheIpofFLUENTsoftware，theindoorvelocityfielddistributionofthehybridsystemissimulated，wheretheexperimentaldataareusedwhentheboundaryconditionsareinputtedInaddition，focusedOiltheheattransferprocessbetweenthef

7、loorandspace，thepaperestablishesitsmathematicalequationsandcomparesheattransfereffectofthehybridsystemwi也thatofthefloorradiantcoolingsystemForthesakeofthedisplacementventilationsystem，theheattransfereffectbetweenthefloor

8、andspaceinthehybridsystemisenhancedThetheoreticalandexperimentalresultsindicatethatthehybridsystemoffloorradiantcoolinganddisplacementventilationadaptstOthewetandhotweatherinsummerinthemiddleandlowerreachesoftheYangtzeRi