基于MATLAB改进的相变蓄热集热器在太阳能制冷系统中的性能分析Performance analysis based on MATLAB improved phase change thermal storage collectors in solar refrigeration system
崔明辉;孟德志;夏昌浩;王鑫;倪成名;刘萌;
摘要(Abstract):
为提高太阳能制冷系统的性能参数,建立了集热蓄热一体化集热器模型,以进行应用计算。基于TRNSYS与MATLAB软件联合模拟运行的无辅助热源的太阳能吸收式制冷系统,分别对采用传统集热器的系统和采用改进后的相变蓄热集热器的系统的各部分参数的变化进行分析,对集热器的效率、系统制冷量和性能系数进行了对比。模拟结果表明,在太阳能吸收式制冷系统中,采用改进后的相变蓄热集热器,与传统的集热器相比,其集热效率提高约7.62%,系统制冷量增加约9.99%,系统的COP增加约23.60%。本模型能较好地应用于太阳能吸收式制冷系统的模拟。
关键词(KeyWords): 太阳能;太阳能集热器;无辅助热源;相变蓄热;吸收式制冷;COP
基金项目(Foundation): 河北科技大学研究生创新资助项目(201502)
作者(Author): 崔明辉;孟德志;夏昌浩;王鑫;倪成名;刘萌;
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