填充泡沫镍对固液相变过程的影响

徐伟强; 袁修干; 邢玉明

填充泡沫镍对固液相变过程的影响

北京航空航天大学航空科学与工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(50276001,50876004)

详细信息

作者简介:
徐伟强(1981-),男,浙江新昌人,博士生,xwq@ase.buaa.edu.cn.

中图分类号: TK 02; TK 124
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出版历程
- 收稿日期: 2008-10-17
- 网络出版日期: 2009-10-31

Effect of embedding nickel foam on solid-liquid phase change

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 为了改善固液相变蓄能装置的空穴分布及传热性能,在理论研究基础上设计制造了填充泡沫镍的固液相变蓄热容器,与未填充泡沫镍的蓄热容器一同进行了相变蓄热实验,利用铂电阻(Pt100)和数据采集模块(ADAM-4000)测得了各蓄热容器的温度变化数据,实验后对各容器进行了CT(Computed Tomography)扫描,得到了容器内部的空穴分布图像.通过对比研究两种容器的温度变化和空穴分布,证明了填充泡沫镍能够有效改善固液相变过程中的空穴分布和传热性能,研究结论对于固液相变蓄热技术的应用具有一定指导意义.
- 泡沫镍 /
- 空穴分布 /
- 固液相变 /
- 蓄热
Abstract: To improve the void distribution and thermal performance of phase change thermal storage devices, thermal storage containers embedded with nickel foam cores were designed and manufactured based on the theoretical research. Phase change experiments were carried out with those containers, as well as containers without nickel foam, and the temperature variations of containers were tested and saved using platinum resistance thermocouples (Pt100) and data acquisition modules (ADAM-4000). Void distributions of those containers were imaged by the computed tomography (CT) instrument after the experiments. The results of two kinds of containers were compared with each other, and the improvements of embedding nickel foam were testified both in void distribution and thermal performance of solid-liquid phase change process. The research findings could provide some values for the application of solid-liquid phase change thermal storage.
- nickel foam /
- void distribution /
- solid-liquid phase change /
- heat storage

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参考文献(1)

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