石蜡相变墙体传热性能研究  

Study on Heat transfer performance of paraffin Phase-change Wall

作　　者：刘明炀 叶晓江[1,2] 侯志坚[3] 张春萍 史秋怡 Liu Mingyang;Ye Xiaojiang;Hou Zhijian;Zhang Chunping;Shi Qiuyi

机构地区：[1]武汉工程大学理学院 [2]华中科技大学材料科学与工程学院 [3]深圳职业技术学院机电学院 [4]中国矿业大学国际学院

出　　处：《洁净与空调技术》2018年第3期58-60,共3页Contamination Control & Air-Conditioning Technology

摘　　要：将46#石蜡与硬脂酸钠按比例混合,分别使用直接混合法与分层插入法加入普通水泥墙体中,研究其传热性能。结果表明:含有相变材料墙体的传热性能优于普通墙体,其温度变化更为平稳,升温、降温均有延迟现象。与普通墙体7.9℃/h的升温速率相比,直接混合法、分层插入法制备的相变墙体升温速率分别为3.9℃/h、2.6℃/h,分层插入法制备的墙体节能效果更好。The 46# paraffin and sodium stearate were mixed in Proportions, and the direct heat mixing method and the layered insertion method were added to the ordinary cement walls to study the heat transfer performance. The results show that the heat transfer performance of wall material containing phase change material is better than that of ordinary wall. The temperature change is more stable, and the temperature rise and decrease are delayed. Compared with the temperature increase rate of 7.9℃/h in common walls, the temperature-rise rates of phase-change walls prepared by direct mixing and layered insertion methods were 3.9℃/h and 2.6℃/h, respectively. The layered insertion method is better energy efficiency.

关 键 词：相变材料 建筑节能 传热性能 直接混合法 分层插入法 

分 类 号：TU111.4[建筑科学—建筑理论] TB34[一般工业技术—材料科学与工程]