家电科技2024，Vol.5Issue(5)：64-67,72,5.DOI:10.19784/j.cnki.issn1672-0172.2024.05.009
R-454B与R-410A在北美定频管道机中的应用对比研究
Comparative study of R-454B and R-410A in air handler unit
戴子晴 1杨文钧 2杜超 2赵凯强 2邓璠 2单体运2
作者信息
- 1. 青岛海尔科技有限公司 山东青岛 266100||数字家庭网络国家工程研究中心山东青岛 266100
- 2. 青岛海尔空调器有限总公司 山东青岛 266100||数字家庭网络国家工程研究中心山东青岛 266100
- 折叠
摘要
Abstract
The optimal charge amounts of R-410A and R-454B in Air Handler Unit(AHU)were compared through experimental studies,and the differences in various performance parameters under Afull and Bfull conditions were analyzed.The feasibility of replacing R-410A with R-454B in AHU was also assessed.The results indicated that the optimal charge amounts for R-410A and R-454B are 3 kg and 3.65 kg,respectively.Compared to R-410A,R-454B showed a capacity reduction of 2.22％and 2.64％under Afull and Bfull conditions,respectively,with an EER2 increase of 2.76％and 1.41％.Additionally,the discharge temperature decreased by 3.9 ℃ and 4.7 ℃,the suction temperature decreased by 6.0 ℃ and 5.2 ℃,the condensing pressure decreased by 6.35％and 5.70％,and the evaporating pressure decreased by 2.10％and 2.14％under the same conditions.These results suggest that R-454B can generally meet the capacity and energy efficiency requirements of current R-410A systems.Moreover,R-454B imposes lower high-temperature protection and strength requirements on system components compared to R-410A,indicating that R-454B can be directlv used in existing R-410A systems,a reference for the mass transition of refrigerants in AHU was provided.关键词
R-410A/R-454B/GWP/性能/制冷剂/EER2Key words
R-410A/R-454B/GWP/Performance/Refrigerant/EER2分类
信息技术与安全科学引用本文复制引用
戴子晴,杨文钧,杜超,赵凯强,邓璠,单体运..R-454B与R-410A在北美定频管道机中的应用对比研究[J].家电科技,2024,5(5):64-67,72,5.
