浸泡法制备的相变墙体传热性能的研究.pdfVIP

学兔兔 新 建蟓粉 中国科技核心期刊 ；miH,：~iu备髓相变墙体传热n生链硇研究 闰全英，王立娟，岳立航 (北京建筑大学 环境与能源工程学院，北京市供热供燃气通风及空调重点实验室，北京 100044) 摘要：选取浸泡70％癸酸一30％硬脂酸混合物的石膏板和浸泡65％[N体石蜡一35％液体石蜡混合物的挤塑聚苯板作为保温材料， 制备 2种相变储能建筑墙体，并与没有浸泡相变材料制备的普通建筑墙体进行对 比，研究墙体在受热后和停止加热后墙体表面温 度和热流的变化规律，旨在寻找适合建筑围护结构用的相变储能方式。 关键词：石膏板；挤塑聚苯板；浸泡法；相变墙体；传热性能 中图分类号：TU55+1．3；TU57+8．1 文献标识码：A 文章编号：1001—702X(2014)08—0015—05 Research onthethermalperformanceofthephasechangematerial wallprepared bysoaking YAN Quanying，WANGL~iuan，YUELihang (BeijingMunicipalityKeyLabofHeating，GasSupply，VentilatingandAirConditioningEngineering， BeijingUniversityofCivilEngineeringandArchitecture，Beijing100044，China) Abstract：Inthispaper，twokindsofphasechangematerialwallwereprepared．Theywerecomposed ofinsulationmaterials and wallmaterials．The insulationmaterialswerecomposed ofgypsum boardand extrudedpolystyrene borad．Gypsum borad was made of70％ capric acid and 30％ stearie acid．Extruded polystyrene borad was made of65％ solid paraffin and 35％ liquid paraffin．The method ofpreparation was soaking．Phasechangewallwould be compared with ordinary building wallwithoutphase change materia1．The reseraeh focused on the changeregulation ofthe surfacetemperature and the heatflux when heating as well as stopping heating．Thispaperattempted to find suitablephasechnagestored eneryg pattern used inthebuildingenvelope． Key words：ygpsum borad；extrudedpolystyreneborad；soakingmethod；phasechangewall；thermal perfomrance 龙等同研究了复合相变材料对轻质围护结构建筑室内热环境 0 引 言 的影响，得出复合相变材