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R516A与R134a在水冷冷水机组的性能对比研究
Comparative Research on Performances of R516A and R134a in Water-Cooled Chillers
- 制冷学报 2024年45卷第6期 页码：83-90
- 作者机构：
生态环境部对外合作与交流中心 北京 100035
- 作者简介：
滑雪，女，高级工程师，生态环境部对外合作与交流中心，(010)82268856，E-mail：hua.xue@fecomee.org.cn。研究方向：制冷行业《关于消耗臭氧层物质的蒙特利尔议定书》中国履约项目的执行。
- 基金信息：
DOI：10.12465/j.issn.0253-4339.2024.06.083
中图分类号： TB61+1;TB61+2收稿日期：2023-08-29，
修回日期：2023-11-02，
录用日期：2023-11-29，
纸质出版日期：2024-12-16
- 稿件说明：
移动端阅览
李雄亚, 滑雪, 郭晓林. R516A与R134a在水冷冷水机组的性能对比研究[J]. 制冷学报, 2024,45(6):83-90.
Li Xiongya, Hua Xue, Guo Xiaolin. Comparative Research on Performances of R516A and R134a in Water-Cooled Chillers[J]. Journal of refrigeration, 2024, 45(6): 83-90.
李雄亚, 滑雪, 郭晓林. R516A与R134a在水冷冷水机组的性能对比研究[J]. 制冷学报, 2024,45(6):83-90. DOI： 10.12465/j.issn.0253-4339.2024.06.083.
Li Xiongya, Hua Xue, Guo Xiaolin. Comparative Research on Performances of R516A and R134a in Water-Cooled Chillers[J]. Journal of refrigeration, 2024, 45(6): 83-90. DOI： 10.12465/j.issn.0253-4339.2024.06.083.
摘要
R516A是水冷冷水机组领域R134a制冷剂的新型替代品之一，通过单级压缩热力学循环对比分析了R516A与R134a的COP、排气温度等参数，在分别充注R134a和R516A的小型水冷冷水机组上开展了名义工况和变工况下的性能对比实验，研究了水冷冷水机组使用R516A替代R134a的成本变化。结果表明：R516A理论循环的COP比R134a低1.5%，排气温度比R134a低4.9~6.0 ℃；在名义工况下，R516A机组性能较R134a机组有一定的差距，COP相差4.9%~7.2%；在变工况下，R516A机组性能与R134a机组基本相当，COP差距缩小至0.5%~2.3%；因R516A具有弱可燃性，R516A机组成本比R134a机组增加10%~15%。
Abstract
R516A is one of the new substitutes for R134a refrigerant in water-cooled chillers. The COP (coefficient of performance) and discharge temperatures of R516A and R134a are compared through a single-stage vapor compression cycle. Under nominal and variable operating conditions
the performances of a small water-cooled chiller charged with R134a and R516A are tested and compared. The cost changes of replacing R134a with R516A in the water-cooled chiller are discussed. The conclusions indicate that
in the theoretical cycle
the COP of R516A is 1.5% lower than that of R134a
and the discharge temperature is 4.9-6.0 ℃ lower than that of R134a. Under nominal operating conditions
there is a certain performance gap between the R516A chiller and the R134a chiller
with a COP difference of 4.9%-7.2%. Under variable operating conditions
the performance of the R516A chiller is basically equivalent to that of the R134a chiller
and the COP gap is reduced to 0.5%-2.3%. Owing to the mild flammability of R516A
the cost of the R516A chiller is 10%-15% higher than that of the R134a chiller.
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references
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