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墙体储能用石蜡混合物的配制和储热性能实验研究
THE PREPARATION AND EXPERIMENTAL RESEARCH ON THE THERMAL STORAGE PERFORMANCE OF PARAFFIN MIXTURES USED IN THE WALL

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梁辰 1   闫全英 1 *   王威 2  
文摘 以石蜡混合物的配制和储热性能为研究对象,利用差示扫描量热仪实验研究了所配制的石蜡混合物的相变温度和相变潜热,旨在寻找适合墙体中使用的相变材料.混合物由46~#石蜡、48~#石蜡、十七烷、十八烷、二十烷和液态石蜡组成.实验结果表明:石蜡混合物的相变温度和相变潜热随石蜡混合物组份及组成比的不同而变化.通过调节混合比,可得到较宽熔点范围的石蜡混合物.提出了几种可用于相变墙体中作为储能材料的石蜡混合物.研究结果可为相变墙体的开发提供参考和依据.
其他语种文摘 Several mixtures consisting of different paraffins were prepared by different proportion in order to find suitable phase change materials used in the wall. Experimental mixtures included 46~# paraffin, 48~# paraffin, n-Heptadecane, n-Octadecane, n-Eicosane, and liquid paraffin. The phase change temperatures and the phase change latent heats of several kinds of paraffin mixtures were studied experimentally by differential scanning calorimeter. The experimental results showed that the phase change temperatures and latent heats of paraffin mixtures change with their composition. Paraffin mixtures in different mass proportions have a wider phase change temperature range and higher phase change latent heat. So the paraffin mixtures can be used in the different thermal storage fields by adjusting the mixed proportion. Several paraffin mixtures with appropriate phase change temperatures and higher phase change latent heats were given, and they can be used in the building wall to storage thermal. The results can provide references and basis for the application of phase change material wall.
来源 太阳能学报 ,2009,30(7):916-920 【核心库】
关键词 相变墙体 ; 相变温度 ; 相变潜热 ; 石蜡
地址

1. 北京建筑工程学院环境与能源学院建筑热能系, 北京, 100044  

2. 中国科学院过程工程研究所, 北京, 100080

语种 中文
文献类型 研究性论文
ISSN 0254-0096
学科 能源与动力工程
基金 北京市优秀人才培养资助项目 ;  北京市教委科技发展计划项目 ;  北京建筑工程学院北京市供热、供燃气、通风及空调工程重点实验室项目
文献收藏号 CSCD:3609443

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引证文献 4 篇

1 鄢瑛 吸附精制工艺对相变石蜡正构烷烃碳数分布的影响研究 应用化工,2010,39(10):1447-1450
被引 0 次

2 鄢瑛 相变石蜡储热性能的正交实验研究 应用化工,2010,39(11):1620-1623
被引 1 次

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