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ISSN 0254-0096 CN 11-2082/K

太阳能学报 ›› 2022, Vol. 43 ›› Issue (5): 220-229.DOI: 10.19912/j.0254-0096.tynxb.2021-0324

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太阳能生活热水系统相变储能研究进展

罗凯, 叶伟梁, 王艳, 曾最, 刘景滔, 费华   

  1. 江西理工大学土木与测绘工程学院,赣州 341000
  • 收稿日期:2021-03-28 出版日期:2022-05-28 发布日期:2022-11-28
  • 通讯作者: 王艳(1987—),女,博士研究生、副教授,主要从事相变材料、天空辐射制冷、建筑节能等方面的研究。flyple@163.com
  • 基金资助:
    国家自然科学基金(51666004); 江西省自然科学基金(2020BABL214038)

RESEARCH PROGRESS OF PHASE CHANGE ENERGY STORAGE IN SOLAR DOMESTIC HOT WATER SYSTEM

Luo Kai, Ye Weiliang, Wang Yan, Zeng Zui, Liu Jingtao, Fei Hua   

  1. School of Civil Engineering and Surveying and Mapping Engineering, JUST, Ganzhou 341000, China
  • Received:2021-03-28 Online:2022-05-28 Published:2022-11-28

摘要: 该文阐述了太阳能生活热水(SDHW)系统用相变材料的选择与封装情况,综述了相变材料在SDHW系统水箱、太阳能集热器和SDHW系统循环中的储能及其改进与强化换热研究进展情况,并对今后SDHW系统相变材料应用发展方向提出建议和展望。研究表明,石蜡与三水醋酸钠应用于SDHW系统水箱和集热器的研究较为广泛,其封装形式主要是的塑料、铝、不锈钢的宏封装,形状为管、柱体、球等,且相变材料加入到传统的SDHW系统中均能提高太阳能生活热水器的储热性能,其储热性能还有较大的提升与改进空间。

关键词: 太阳能, 相变材料, 潜热, 封装, 储热性能

Abstract: This paper describes the selection and encapsulation of phase change materials for solar domestic hot water (SDHW) systems, and reviews the progress of research on phase change materials for energy storage in SDHW system tanks, solar collectors and SDHW system cycles and their improvement and enhancement of heat transfer, and makes suggestions and outlooks for the development direction of phase change material applications for SDHW systems. The research shows that paraffin wax and sodium acetate trihydrate are widely used in water tanks and collectors of SDHW systems. The encapsulation form is mainly the macro encapsulation of plastic, aluminum, stainless steel, in the shape of tube, column, ball, etc. Phase change materials added to traditional SDHW systems can improve the thermal storage performance of solar domestic water heaters. There is still much room for upgrading and improving the thermal storage performance.

Key words: solar energy, phase change materials, latent heat, packaging, heat storage performance

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