地下圍護(hù)結(jié)構(gòu)動態(tài)傳熱特性分析軟件及數(shù)據(jù)庫研究.pdf

1、湖南大學(xué)碩士學(xué)位論文地下圍護(hù)結(jié)構(gòu)動態(tài)傳熱特性分析軟件及數(shù)據(jù)庫研究姓名：徐彪申請學(xué)位級別：碩士專業(yè)：供熱、供燃?xì)狻⑼L(fēng)及空調(diào)工程指導(dǎo)教師：張泠；陳友明20120519碩士學(xué)位論文AbstractAsabovegroundcomponentsofthebuildingthermalfabricbecomemoreenergyefficient，theheattransferbetweenthebuildingandthegroundbeco

2、merelativelymoreimportantandcannolongerbeneglectedThus，itisnecessarytoanalyzeandresearchadequatelytheground—coupledheattransferproblemsInthispapertheauthordevelopedtheanalysissoftwareaboutheattransfercharacteristicsofund

3、ergroundstructuresItcanrunonwindowscomputerthathaveinstalledMicrosoftExcel2003andMATLABR2009aandaboveversionThesoftwareprogramparametersinputinterfacewithVisualBasic60，whereasthenumericalcalculationwithMATLABTheelement—f

4、reeGalerkinmethodisintegratedinsoftwaretoanalysisheattransferofundergroundstructuresmodel，mainlyincludingheatflowcalculationandtemperaturefileddistributionTheycanbeusedasareferencefortheengineeranddesignerInthispaper，hea

5、ttransfercharacteristicsofundergroundstructureswereindepthstudiedwiththesoftwareFirstly，inordertoanalyzethegroundcoupledheattransferproblemsmoreeasily，asimplifiedheattransfermodelwhichbasedonsomeassumptionswasbuiltSecond

6、ly，thesteadyheattransferboundaryconditionsandunsteadyinitialboundaryconditionsoftheundergroundstructuresweredeterminedFinally，thesteadyandunsteadyheattransfercharacteristicsofundergroundstructureswerestudiedindetailInthe

7、steadyanalysis，nodesandtemperaturefileddistributionweremainlyconsideredThesensitivityanalysesofthesoilthermalconductivity，outdoorsurfacewindspeed，farfiledboundary，watertableanddistanceoftherooffromthegroundsurfacewereals

8、ocarriedoutInordertoanalyzetherelationshipbetweeninsulationandthefloor，wallandroofheatflux，thepaperchosePVCfoamasinsulationmaterialsand006m，012m，018mand024masasetofthermalinsulationthickness，thecorrespondingthermalresist

9、anceRfor1，23，4(m2K)／WIntheunsteadyparametricsensitivityanalyses，thesoilthermalconductivitywasmainlycarriedouttesearchonhowtoinfluencethefloor，wallandroofheatfluxwithselecting06，1224W／(mK)asasetofthesoilthermalconductivit