Experimental investigation of a solar-powered adsorption refrigeration system with the enhancing desorption

Experimental investigation of a solar-powered adsorption refrigeration system with the enhancing desorption
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太阳能增强解吸吸附式制冷系统实验研究

DOI:
10.1016/j.enconman.2017.10.065
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发表时间:
2018
影响因子:
10.4
通讯作者:
Lin Xu
Lin Xu
中科院分区:
工程技术1区
文献类型:
--
作者:
Yunfeng WANG;Ming Li;Wenping Du;Xu Ji;Lin Xu

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在典型基本循环的基础上,提出了一种采用主动强化传质方法的新型太阳能吸附制冷系统。本质上,新的方法是在解吸过程中降低系统的内部压力。详细阐述了该假说的工作原理和循环描述,并通过实验室实验进行了分析。设计并搭建了以活性碳-甲醇为工质对的新型太阳能吸附制冷系统样机。在不同的天气条件下进行了不同的对比试验,验证了这一假设,并对新型吸附制冷系统的性能进行了评价。实验结果表明,与自然解吸制冷系统相比,采用主动强化传质的系统可使解吸制冷剂质量提高约20%。实验还证明,这种新方法对于低温操作是非常有效的,可以使COPsolate至少提高16.4%。改进后的解吸制冷系统可节省约一个半小时,得到与自然解吸制冷系统相同的解吸制冷剂。实验结果表明,该系统在性能系数、解吸质量和解吸率等方面都有较大的改善,太阳能吸附制冷系统的特点有利于其进一步推广应用。
The paper proposes a novel solar adsorption refrigeration system employing an active enhancing mass transfer method based on the typical basic cycle. In essence, the new method is to drop the internal pressure of the system in the desorption process. The working principle of the hypothesis and the cycle description are explained in detail and analyzed by laboratory experiments. The novel solar adsorption refrigeration system prototype with activated carbon-methanol as working pair was designed and built. Some different comparative tests under different weather conditions were conducted to prove the hypothesis and evaluate the performance of the novel adsorption refrigeration system. The experimental results show that the system employing an active enhancing mass transfer method will increase the mass of desorbed refrigerant by about 20% if compared with a natural desorption refrigeration system. It was also proved that the novel method is very effective for low adsorbent temperature operation, which may help to obtain aCOPsolarincrease of at least 16.4%. And about one and half hours can be saved by enhancing desorption refrigeration system to get the same desorbed refrigerant with the natural desorption refrigeration system. The results of experiments show that the novel system has improvements in the coefficient of performance, the mass of desorption and desorption rate, and the characters of the solar adsorption refrigeration system can be a benefit to further application.
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发表时间: 2014-08
期刊: International Journal of Refrigeration-revue Internationale Du Froid
影响因子: --
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影响因子: 6.4
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发表时间: 2000-05
影响因子: 6.4
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DOI: 10.1016/s0140-7007(01)00004-4
发表时间: 2001-11-01
期刊: INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
影响因子: --
作者:
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通讯作者: Wang, RZ