广东工业大学学报 ›› 2016, Vol. 33 ›› Issue (04): 79-83.doi: 10.3969/j.issn.1007-7162.2016.04.014

• 综合研究 • 上一篇    下一篇

真空集热管内溴化锂溶液吸热及汽化特性实验研究

刘冲冲, 陈观生, 向欢欢   

  1. 广东工业大学 材料与能源学院,广东 广州 510006
  • 收稿日期:2015-04-14 出版日期:2016-08-02 发布日期:2016-08-02
  • 通信作者: 陈观生(1970-),男,副教授,主要研究方向为相变储能及太阳能热利用技术.E-mail:chengs@gdut.edu.cn
  • 作者简介:刘冲冲(1989-),男,硕士研究生,主要研究方向为太阳能吸收式制冷技术.
  • 基金资助:

    国家科技支撑计划资助项目(2014BAA01B02);佛山市顺德区产学研合作资助项目(2014CXY12)

A Study of Heat Absorbing and Vaporization Characteristics of Lithium Bromide Solution in Vacuum Solar Collector Tubes

Liu Chong-chong, Chen Guan-sheng, Xiang Huan-huan   

  1. School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2015-04-14 Online:2016-08-02 Published:2016-08-02

摘要:

利用实验的手段研究了位于真空集热管内的溴化锂溶液,在室外环境中接受连续变化的太阳辐射时,溴化锂溶液的吸热升温及汽化特性.通过对实验数据的分析表明位于真空集热管内的溴化锂溶液吸热效果良好,温度升高较为迅速,能够连续而且稳定地产生蒸汽;特别是在加装反射板的情况下,溴化锂溶液的吸热升温及汽化效果更为显著;计算得出单根真空集热管的理论制冷量可以达到8.9~12.8 W,瞬间集热效率位于17.7%~39.0%之间.

关键词: 太阳能;真空集热管;溴化锂溶液;吸热;汽化

Abstract:

Heat absorbing and vaporization characteristics of Lithium bromide solution is tested outdoor in evacuated solar collector tubes. The result shows that Lithium bromide solution in vacuum tubes can be heated up rapidly and vaporized continuously and steadily, especially when using a reflector. Equivalent cooling capacity and instant heat collecting efficiency per vacuum tube are 8.9~12.8W and 17.7%~39.0% respectively.

Key words: solar energy; vacuum tubes; lithium bromide solution; heat absorbing; vaporization

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