于国清,汤金华,赵惠忠
YU Guo-qing1,TANG Jin-hua2,ZHAO Hui-zhong1(1.University of Shanghai for Science and Technology

• 1:上海理工大学
• 2:中国瑞林工程技术有限公司

摘要(Abstract)：

研究了一种新型的水-相变材料复合蓄热装置,在水箱的上部添加少量相变材料,设置2个均流孔板将水箱分为高温段、低温段和过渡段,并对其蓄热特性进行了试验研究,分析了充热、放热过程中水箱内的温度分布,以及相关因素的影响。试验测试表明:(1)水-相变材料复合水箱在充热和放热过程中,均存在着明显的温度分层;(2)对于充热过程,流量越小,充热温度越稿,分层效果越明显;(3)对于取热过程,相变材料能有效提高较高温度热水的供应量。
A water-PCM(Phase Change Material) hybrid thermal storage device was designed and studied and experimentally.Two orifice panels separate the tank into three sections: high temperature section,low temperature section and transitional temperature section.Some factors which affect the characteristic of the water-PCM compound thermal storage during the charging or discharging processes are also analyzed.The results show that:(1) Significant vertical temperature stratification are observed during charging and discharging processes;(2) Smaller charging flowrate and higher entering water temperature can improve the temperature stratification during charging processes;(3) As to discharging processes,PCM included in the tank can increase the water quantity of higher temperature.

关键词(KeyWords)： 相变蓄热材料;水蓄热;充热特性;放热特性;温度分层
PCM;sensible thermal storage;charging performance;discharging performance;temperature stratification

Abstract:

Keywords:

基金项目(Foundation): 上海市科委科技创新行动计划节能减排专项(08DZ1203802);; 上海市教委重点学科建设项目(J50502)

作者(Author): 于国清,汤金华,赵惠忠
YU Guo-qing1,TANG Jin-hua2,ZHAO Hui-zhong1(1.University of Shanghai for Science and Technology

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