Performance Analysis on the Resorption Refrigeration Based on the Adsorbent with the Matrix of Expanded Natural Graphite Treated with Sulfuric Acid

Zhang Xuefeng; Liu Changzhi; Jiang Long; Wang Liwei; Wang Ruzhu

doi:10.3969/j.issn.0253-4339.2015.03.041

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Performance Analysis on the Resorption Refrigeration Based on the Adsorbent with the Matrix of Expanded Natural Graphite Treated with Sulfuric Acid

更新时间：2024-07-18

- Performance Analysis on the Resorption Refrigeration Based on the Adsorbent with the Matrix of Expanded Natural Graphite Treated with Sulfuric Acid
- Journal of Refrigeration Vol. 36, Issue 3, (2015)
- 作者机构：
  
  上海交通大学制冷与低温工程研究所
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2015.03.041
  CLC：
- Published：2015
- 稿件说明：
移动端阅览
Zhang Xuefeng, Liu Changzhi, Jiang Long, et al. Performance Analysis on the Resorption Refrigeration Based on the Adsorbent with the Matrix of Expanded Natural Graphite Treated with Sulfuric Acid[J]. Journal of refrigeration, 2015, 36(3).
DOI：

Zhang Xuefeng, Liu Changzhi, Jiang Long, et al. Performance Analysis on the Resorption Refrigeration Based on the Adsorbent with the Matrix of Expanded Natural Graphite Treated with Sulfuric Acid[J]. Journal of refrigeration, 2015, 36(3). DOI： 10.3969/j.issn.0253-4339.2015.03.041.

摘要

相比于传统的吸附式制冷，再吸附制冷作为一种新型的制冷方式，其结构更加简单，并且其制冷性能系数也比相同条件下的吸附式制冷系统要高，故有较好的应用前景。但受到吸附剂的传热传质性能的限制，难以实现高效的再吸附制冷。本文利用硫化石墨作为吸附剂的基质，对其导热系数以及渗透率进行了测试比较，优选吸附剂。并且针对再吸附制冷系统建立了相关数学模型，分析不同工况条件下吸附剂工质对的性能。对整个再吸附制冷过程进行模拟仿真，从而得到不同工况下的制冷性能。结果表明，采用新型复合吸附剂的再吸附系统，COP最大可达到0.3以上，SCP最大可达到161 W/kg。

Abstract

Compared with the conventional adsorption refrigeration cycle

resorption refrigeration cycle as a new cooling method has simpler structure and higher COP under the same operation condition. Therefore it has a good prospect. However

performance of the system is still greatly influenced by different adsorbents

temperature and pressure for adsorption. In this research

adsorbent with the matrix of expanded natural graphite treated with sulfuric acid is developed to study its thermal conductivity and permeability as well as select the superior one. Based on the basic physical properties of the adsorbent and refrigerant

simulation of whole resorption refrigeration process is set up to obtain the performance parameters under different conditions. According to the simulation results

the highest COP is more than 0.3 while the best SCP is 161 W/kg.

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