用户名:hmybys
Nonsteadystatemethodford朝她差创及eterminationofthermalpropertiesofmaterialshasbecomethemainmeans,transientplaneheatsource来自methodhasshorttesttime,canobtainapluralityofthermalparametersandotherprominentfeatures.Inthispaper,transientplaneheatsourcem问答ethodformeasuringthermalcon**ctivi研数根上翻过就tyofinsulationmaterialscarriesoutthetheoreticalanalysisandtest亮范ingtechnologyresearch.Thispa女命至perderivesth掉属剧原变血危祖布友etransientplane呀语损heatsourcemethodforidealtestmodelofthermalpar统品看宜完挥景讲胞ameters,sensitivityanalysis,accordingtotheparamet胞限拿九承烟游ersofsensitivitytodeterminetheirestimates命可触任府旧思传句式书ofthelikelihoodof,accordingto帝thetheoreticalmodeltocalculat艺弱短亲致展ethephysicalparametersofthetheoreticalvalue,inordertotesttheimprovedGaussmethodtoestimat走稳士片苏首传了汉室取etheparametersofthefeasibilityandaccuracyof.Sensit洋继进角活ivityanal了度验细及ysisshowstha防销片争旧慢路年tbythehea处需离印品tingsurfacetemperaturerisecurvecanbedeterminedbythematerialheatstoragecoefficient,temperaturerisecurvewithinthespecimencanbeestimatedatthesametimeheatcon**ctioncoefficientandthermaldiffusioncoefficient.Carryout3Dsimulation,verifiedthesystemsatisfiestheone-dimensionalheattransferhypothesis,thetestsampleintheZdirectiontomeetthesemi-infinitehypothesis,andtheinitialtemperaturenonuniformityandenvironmentaltemperatureweremadebyANSYS**mericalsimulation,andthesimulationresultsbythemethodofparameterestimationofthermalcon**ctivityandtheobtainedtheoreticalmodelcomparison,therebytojudgeerror.DevelopedinsulationmaterialTransientplaneheatsourcemethodforthermalcon**ctivitytesttechnologystandards,includingthemethodprinciple,device,selectionofheatingpower,samplesizedesignandeffectivetestingtime.