建筑圍護(hù)結(jié)構(gòu)K值現(xiàn)場(chǎng)檢測(cè)方法研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文建筑圍護(hù)結(jié)構(gòu)K值現(xiàn)場(chǎng)檢測(cè)方法研究姓名：穆小麗申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：供熱、供燃?xì)?、通風(fēng)及空調(diào)工程指導(dǎo)教師：許志浩20100501西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)曼量喜曼曼曼曼量曼曼曼曼量罾■■■曼曼蔓曼曹——曼曼曼皇曼皇曼量量鼉曼置—曼皇曼曼曼量曼皇曼舅皇舅舅皇量量皇IIII曼量量曼皇曼量舅曼曼量曼曼曼曼曼量量■量■量蔓曼—量■舅|AbstractInbuildingenergysavingdesign，e

2、nergyefficientbuildingenvelopeofcommitmentthatalargeproportionofbuildingenergyconservationisoneofthekeyAccuratelymeasureandcontroltheactualbuildingenvelopethermalperformance，arealsopremiseandfoundationforimprovingbuildin

3、genergyassessmentandenergysavin。gTheexistingbuildingenvelopeheattransfercoefficientfielddetectionmethodshavetheirowncharacteristics，buttheyhavetheirownlimitations，inthiscontextofthispapertheexistingsitebuildingenvelopede

4、tectionmethodisinsufficient，theexternalwallsdynamicheattransferanalysisofexperimentaldevicetotestheattransfercoefficientofthemethodaconstantheatdetectionmethodsweretestedintheclosedroom，thedetectiontimingofchangesinoutdo

5、ortemperatureatnightisnotthetime，thistimeindoorandoutdoortemperaturedifferenceisapproximatelyconstantvalue，insuchconditions，steadystateformulaCanbeusedtodoapproximatetreatmentofthedynamicprocessThispaperfirstestablisheda

6、buildingenvelopeheattransferequationsandmathematicalphysicsaredetectedroomheatbalanceequationfmitedifferencemethodmadepossiblesimplification，throughthenonsteadystateheattransferpolystyreneboardusedinthemodelexperimentacc

7、uracyofthefinitedifferencemethodbasedoncomputerprogramstosimulatedifferentwallstructureofthenonsteadystateheattransferanalysisofdifferentnonsteadystateheattransfercharacteristicsofthewall，verifythattheoutdoortemperaturef

8、luctuationsdonotexceed2℃androomtemperatureconstantconditions，afterseveraliterations，approximatesteadystateheattransferwallandsteadystatesimulationresultswimthecalculatedvaluesareapproximatelyequalVerifiedonsitetestingroo

9、mintegratedbuildingenvelopeheattransfercoefficient，andtheexternalwallsandtheactualsimulationofcomplexheattransfercoefficientcomparisonbetweenthetwoerrorwithintheallowablerange，theconclusionthatboththeoutdoortemperatureat

10、nightdidnotchangelargeuseofconstantheatdetectioncandetecttheenvelopeofthecomplexheattransfercoefficientThemethodissimple，convenient，accurate，reproducible，andtheimpactofthedetectionprocessfromtheadvantagesoftheseasonKeywo