Thermal radiation performances of solar volumetric absorbers made up of muliple tubes and porous

被引：0
|
作者：
Dai G. [1 ]
Chen X. [1 ]
Zhuang Y. [1 ]
机构：
[1] Key Laboratory of New Energy and Energy-saving in Building, Fujian Province University, Fujian University of Technology, Fuzhou
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2022年 / 43卷 / 07期
关键词：
MCM; Porous materials; Radiation thermal efficiency; Radiation transfer; Solar absorbers;
D O I：
10.19912/j.0254-0096.tynxb.2020-1187
中图分类号：
学科分类号：
摘要：
In order to reduce the re-radiation of the solar volumetric absorbers, a double layer absorbers that was made up of multiple tubes and the porous was proposed. The thermal radiation performances of the double layer receiver were carried out by experiment test and the Monte Carlo method(MCM). Results show that the most of the solar thermal resource is absorbed by the inlet section of the porous. When the working temperature is equal to 1000 K, the ration of the solar absorption and the emission of the double layer is up to 2.0. Moreover, the radiation thermal efficiency of the double layer receiver is about 30% higher than that of the monolayer porous receiver. © 2022, Solar Energy Periodical Office Co., Ltd. All right reserved.
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页码：186 / 190
页数：4
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