新型相变储能试板的制备与性能实验研究.pdfVIP

学兔兔 新癯建巍 中国科技核心期刊 新型相变储链i式板硇制备与 n生链实验研夯 赵之贵，孙志高，焦丽君，李翠敏，刘成刚 (苏卅f科技学院 环境科学与工程学院，江苏 苏卅f 215009) 摘要：采用毛细管封装十水硫酸钠相变材料，与石膏结合制备了相变储能试板，研究了相变储能试板的储热性能。实验结果表 明，毛细管封装相变材料简单可靠，没有出现泄漏现象。与纯石膏试板相比，毛细管储能试板最高温度降低 8．4℃，最低温度提高3．0 ℃，温度响应时间延迟 8．5min。毛细管管径越小，试板储热性能越好。相变储能试板的储热性能随着相变材料含量的增加而提高，但 随着相变材料含量的增加，试板储热性能提高的幅度有所减缓。 关键词：相变；储能试板；毛细管封装；储热性能 中图分类号：TU551；TU111 文献标识码：A 文章编号：1001-702X(2015)08—0027—04 M ake and experimentalresearch Oilthepe rformanceofa new phase change energy storagewallboard ZHA0Zhigui，SUNZhigao，JIA0Ljiun，LICuimin，LIUChenggang (SchoolofEnvironmentalScienceandEngineering，SuzhouUniversityof ScienceandTechnology，Suzhou 215009，Jiangsu，China) Abstract：A new phasechangewallboard，which isencapsulatedphasechangematerialswithcapillary，isproducedwith gyp- sum．Thethermal performanceofwallboard isinvestigated experimentally．Theresultsshow thatphasechangematerialseneapsulat- ed with capillary is simple and reliable，and there is no leakage phenomenon．Compared with ordinary plasterborad specimen，the highesttemperatureand thelowesttemperatureoftheenergystoragewallboradreduce8,4℃ and improve3．0oC，respectively．The temperature responsetimeofeneryg storagewallborad delaysbaout8．5minutes．Th e smallerof capillary diameter，the betterofthe wallboardSthemr al performance．Thethemr alperfomr ance ofwallborad is enhanced with the increase ofcontentof phase chna ge materials．Butthe perfomr ance improvementofheatstorage reduceswith the increase of phasechnagemateria1． Key words：phasechange，eneryg storagewallboard，capillaryeneapsul~ing，heatstorageperformnace