金属连接件对保温与结构一体化墙体热工性能影响实验研究及模拟验证

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LI Yong ，HAO Wenhui2， ZHAO Yanyan3，GUO Zhaohui1，REN Zhili4 （1.Hebei Province Center for Building Quality Inspection Co.，Ltd.，Shijiazhuang O5O227，China； 2.Hebei Universityof Science and Technology College of Civil Engineering，Shijiazhuang O5O018，China； 3.Hebei Building Research Engineering Technology Co.，Ltd.，Shijiazhuang O50227，China； 4. Chongqing University School of Civil Engineering， Chongqing 40o045， China）

Abstract：Inordertoverifytheaccuracyandreliabilityofusingthemethodofsimulationcalculationtostudytheinfluenceofmetal conectorsonalpfoanceofthalisoadrucalitegatioallhexpimentalwallifstdecding totheprotectiehotboxmethodstipulatedin"DeterinatioandCalibrationofTeralIsulationSteadyStateHeatTransferProertis andProtectivehotboxMethod"（GB/T13475—2O21）.experimentalsudyisariedoutonthree，sixandnineinsulationandstructural integratiowallsithncoedetaloectoroneexpeetalplatfoandteasudhatrsferofcntsofese obtained.ThenAirpakcomputationalfluiddynamicssoftwareisusedtoestablishthesamethreegroupsofmodelsastheexpermntal study，andsetthesamehotchamberandcoldchambertemperatureconditions，respectively，tocalculatetheirheattransfer coeficients.Finaly，themeasuredresultsarecomparedwiththesimulatedones.Theresultsshowthattheaveragerelativeerorsof insulation and structural integration wall are 4.92% ， 4.69% and 3.96% respectively when the number of anchored metal connectors is 3，6 and9，and the simulation errors are all within 5% ，which meet the requirements of engineering calculation.

Keywords：protective hotbox method；metal metal connector；heat transfer coeficient；therelative error

0 引言

对围护结构传热系数的修正是准确判断建筑节能效果的重要途径，而墙体及其构件作为围护结构热量流失的主要部分[1-2]，其保温隔热性的好坏直接影响到建筑的节能效果[3]。（剩余4560字）