[1]乔夏莹,李风雷.太阳能喷射-压缩复迭制冷系统的性能分析[J].华侨大学学报(自然科学版),2018,39(1):57-61.[doi:10.11830/ISSN.1000-5013.201704034]
　QIAO Xiaying,LI Fenglei.Performance Analysis of Solar Ejector-Compression Refrigeration System[J].Journal of Huaqiao University(Natural Science),2018,39(1):57-61.[doi:10.11830/ISSN.1000-5013.201704034]
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太阳能喷射-压缩复迭制冷系统的性能分析()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第39卷
期数:
2018年第1期
页码:
57-61
栏目:
出版日期:
2018-01-17

文章信息/Info

Title:
Performance Analysis of Solar Ejector-Compression Refrigeration System
文章编号:
1000-5013(2018)01-0057-05
作者:
乔夏莹;  李风雷
太原理工大学 环境科学与工程学院, 山西 太原 030024
Author(s):
QIAO Xiaying;  LI Fenglei
College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
关键词:
喷射器;  太阳能;  压缩;  制冷;  分析;  性能系数
Keywords:
ejector;  solar energy;  compression;  refrigeration;  exergy analysis;  coefficient of performance
分类号:
TK519
DOI:
10.11830/ISSN.1000-5013.201704034
文献标志码:
A
摘要:
以热力学第一定律和热力学第二定律为基础,建立太阳能喷射-压缩复迭制冷系统的分析和能量分析模型,分析发生温度、中间温度、冷凝温度和蒸发温度等运行参数对系统性能的影响,选取对系统最佳的运行参数.结果表明:发生温度升高,性能系数(COP)小幅度下降,效率先增加后趋于平缓;中间温度升高,COP随之减小,而效率随之增加;冷凝温度上升,导致COP和效率随之降低;蒸发温度上升,导致COP和效率随之增加;当发生温度为85 ℃,中间温度为24 ℃时,系统的性能最优.
Abstract:
Based on the first law of thermodynamics and the second law of thermodynamics, the exergy analysis and energy analysis model of the solar ejector-compression refrigeration system was set up, and the influences of the operating parameters of generating temperature, medium temperature, condensing temperature and evaporating temperature on the system performance were analyzed. Through the analysis, the results show that the coefficient of performance(COP)decreases slightly, and the exergy efficiency rises in the beginning and then tends to be stable along with the generating temperature increasing. COP decreases and the exergy efficiency rises with the increment of the medium temperature. Besides, both COP and the exergy efficiency decrease when the condensing temperature increases, while rise when the evaporating temperature increases. Moreover, the optimum performance is obtained when the generating temperature is 85 ℃, and the medium temperature is 24 ℃.

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备注/Memo

备注/Memo:
收稿日期: 2017-04-12
通信作者: 李风雷(1967-),男,副教授,博士,主要从事空调制冷新技术、热能利用与节能技术的研究.E-mail:fengleili@126.com.
基金项目: 国家国际科技合作项目(2013DFA61580); 山西省科技攻关项目(20140313006-6)
更新日期/Last Update: 2018-01-20