不同长径比填充床蓄冷器储释冷特性研究

孙潇; 罗志斌; 蔡春荣; 朱光涛; 裴爱国

doi:10.19912/j.0254-0096.tynxb.2023-0971

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (10) : 745-751. DOI: 10.19912/j.0254-0096.tynxb.2023-0971

不同长径比填充床蓄冷器储释冷特性研究

孙潇^1,2, 罗志斌¹, 蔡春荣¹, 朱光涛¹, 裴爱国³

作者信息 +

STUDY ON COLD STORAGE CHARACTERISTICS OF PACKED BED REGENERATOR WITH DIFFERENT ASPECT RATIO

Sun Xiao^1,2, Luo Zhibin¹, Cai Chunrong¹, Zhu Guangtao¹, Pei Aiguo³

Author information +

文章历史 +

摘要

在相同操作条件下模拟分析16组具有相同总体积、不同长径比的蓄冷器（组）,比较准稳态的储冷量、释冷量、储释冷效率。结果表明：经过20次储释冷循环后达到准稳态。单体蓄冷器长径比从0.6增加到3时,储冷量/释冷量逐渐增加,但储释冷效率逐渐降低。并联数量从1增加到6时,蓄冷器组的储冷量、释冷量、储释冷效率均呈下降趋势。设计蓄冷器几何结构时,建议采用长径比为2的单体形式或串联形式。若必须并联,应尽量减小并联数量。

Abstract

16 sets of regenerators with the same total volume and different aspect ratio are studied under the same operating conditions. The quasi-steady state cold charge capacity, cold discharge capacity and charge-discharge efficiency are compared. The results show that the performance of the regenerator reaches a quasi-steady state after 20 cycles. When the aspect ratio of the single regenerator increases from 0.6 to 3, the cold charging/cold discharging capacity gradually increases, but the charge-discharge efficiency gradually decreases. When the parallel number of the regenerator increases from 1 to 6, the cold charge, cold discharge and cooling efficiency of the regenerator group all decrease. When designing the geometric structure of the regenerator, it is recommended to consider the single form or series form with an aspect ratio of 2. If a parallel connection is unavoidable, the number of parallel connections should be reduced as much as possible.

导出引用

孙潇, 罗志斌, 蔡春荣, 朱光涛, 裴爱国. 不同长径比填充床蓄冷器储释冷特性研究[J]. 太阳能学报. 2024, 45(10): 745-751 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0971

Sun Xiao, Luo Zhibin, Cai Chunrong, Zhu Guangtao, Pei Aiguo. STUDY ON COLD STORAGE CHARACTERISTICS OF PACKED BED REGENERATOR WITH DIFFERENT ASPECT RATIO[J]. Acta Energiae Solaris Sinica. 2024, 45(10): 745-751 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0971

中图分类号： TK02

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