技术中心

【英文篇名】 Application of ternary nonazeotropic refrigerant mixtures to air source heat pumps with variable capacity 【作者中文名】 胡永亮; 陈光明; 陈斌; 王勤; 【作者英文名】 By Hu Yongliang★; Chen Guangming; Chen Bin and Wang QinZhejiang University; Hangzhou; China; 【作者单位】 浙江大学; 【文献出处】 暖通空调, Hv 变浓度; 热泵; 节能; 【英文关键词】 ternary nonazeotropic refrigerant mixture; variable capacity; heat pump; energy saving; 【摘要】 简要回顾了国内外变浓度(容量)热泵系统中混合工质的研究进展,结合理论和试验结果,提出了在变浓度空气源热泵系统中使用三元混合工质的概念,并与二元混合工质进行了比较。通过数值模拟优选出具有较大潜力的R32/R125/R227ea,R32/R143a/R227ea,R32/R143a/R134a和R32/R125/R134a三元非共沸混合工质,分析了它们在变浓度热泵系统中的运行特性,结果表明,它们在满足热泵变浓度容量调节方面具有较大潜力,是替代R22的理想工质,其中首推R32/R125/R227ea。 【英文摘要】 Briefly reviews the research progress of refrigerant mixtures in heat pumps with variable capacity. According to theoretical and experimental results, puts forward a concept of using ternary nonazeotropic refrigerant mixtures in air source heat pumps with variable capacity. Compares them with binary nonazeotropic refrigerant mixtures. Based on numerical simulation, sorts out ternary nonazeotropic refrigerant mixtures in prospect of practical application including R32/R125/R227ea, R32/R143a/R227ea, R32/R143a...