太阳能蒸汽喷射式制冷机性能

doi:10.11949/j.issn.0438-1157.20181123

化工学报 ›› 2018, Vol. 69 ›› Issue (S2): 205-209.DOI: 10.11949/j.issn.0438-1157.20181123

太阳能蒸汽喷射式制冷机性能

余超群, 臧润清, 段振坤

天津商业大学, 天津市制冷技术重点实验室, 冷冻冷藏技术教育部工程研究中心, 天津市制冷技术工程中心, 天津 300134

收稿日期:2018-10-08 修回日期:2018-10-16 出版日期:2018-12-31 发布日期:2018-12-31
通讯作者: 臧润清

Performance of solar steam ejector refrigerator

YU Chaoqun, ZANG Runqing, DUAN Zhenkun

Tianjin Key Laboratory of Refrigeration Technology, Refrigeration Engineering Research Center of Ministry of Education, Tianjin Refrigeration Engineering Technology Center, Tianjin University of Commerce, Tianjin 300134, China

Received:2018-10-08 Revised:2018-10-16 Online:2018-12-31 Published:2018-12-31

摘要/Abstract

摘要：

基于对太阳能蒸汽喷射式制冷体统性能的研究，实验以R134a为制冷剂，采用控制变量法，研究了蒸发温度和发生温度对制冷系统的喷射系数、制冷量和COP的影响。结果表明：当冷凝温度和发生温度不变时，喷射系数、制冷量和COP随着蒸发温度的上升而增加。当冷凝温度为35℃、蒸发温度为6℃时，发生温度低于66℃，喷射系数、制冷量和COP都为0；当发生温度大于66℃时，喷射系数、制冷量和COP随着发生温度的上升先增加后减小，当发生温度为84℃时达到最大值，分别为0.223、2.02 kW、0.204。

Abstract:

Based on the study of the performance for the solar steam jet refrigeration system, the experiment takes R134a as the refrigerant and uses the control variable method to study the influence of the evaporation temperature and generator temperature on the ejection coefficient, the cooling capacity and the COP of the refrigeration system. The results show that:when the condensing temperature and generator temperature are constant, the injection coefficient, refrigerating capacity and COP increase with the increase of evaporation temperature. When the condensing temperature is 35℃ and the evaporation temperature is 6℃, the generator temperature is below 66℃, and the injection coefficient, refrigerating capacity and COP are 0. When the generator temperature is more than 66℃, the injection coefficient, refrigerating capacity and COP increase first and then decrease with the increase of temperature. When the generator temperature is 84℃,the maximum values are 0.223, 2.02 kW and 0.204 respectively.

中图分类号:

TK72.9

余超群, 臧润清, 段振坤. 太阳能蒸汽喷射式制冷机性能[J]. 化工学报, 2018, 69(S2): 205-209.

YU Chaoqun, ZANG Runqing, DUAN Zhenkun. Performance of solar steam ejector refrigerator[J]. CIESC Journal, 2018, 69(S2): 205-209.

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太阳能蒸汽喷射式制冷机性能

Performance of solar steam ejector refrigerator

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