【摘要】 分析常规蒸气压缩制冷系统存在的不足,介绍引射式减压原理,并将其技术应用于制冷(热泵)循环系统,提出新型压缩/喷射制冷循环系统。对改进后的新型制冷系统进行热力学分析,结合制冷工质R134a的制冷工况特性,得出改进后新型制冷系统的优越性能,即提高制冷系统的能量利用效率。对制冷和空调系统节能研究具有一定的指导意义。更多还原

【Abstract】 Based on the analysis of the conventional vapor compressing refrigeration system,introduces the principle of ejector type decompression,and its application into refrigeration(heat pump)system.Puts forward the new compression/injection refrigeration circulation system.Makes thermodynamics analysis on the new improved refrigeration system.Combined with the characteristics of refrigerant R134a,concludes that the superior performance of the new refrigeration system,improves the energy utilization efficiency of the refrigeration system which has certain directive significance to refrigeration and airconditioning system of energy research.更多还原