制冷压缩机基础理论研究与关键技术开发

Fundamental Theory and Key Technologies of Refrigerating Compressors

为系统介绍制冷压缩机基础理论,详细阐述了制冷压缩机的分类与应用范围,给出了不同类型制冷压缩机的热力学与动力学模型。采用数学建模,有限元分析及运动规律测试等理论与试验相结合的方法,研究不同几何参数,不同运行工况下的部件运动特性与机器工作性能,作为压缩机整体结构方案和主要零部件优化设计的重要依据,例如往复制冷压缩机曲柄连杆机构和气阀设计,螺杆制冷压缩机转子型线设计与孔口布置,离心式制冷压缩机的叶轮设计和加工制造等,攻克了多项影响机器性能的关键技术,对不同应用场合下制冷压缩机的选型具有指导意义,并为高效制冷压缩机的开发奠定基础。

The mathematical models were built to simulate the thermodynamic performance and dynamic characteristics of refrigerating compressors. The influence of factors on the performance and reliability of refrigerating compressors was explored theoretically and experimently. The key technologies to improve the performance of refrigerating compressors were presented including the valves design, the crank design, and the connecting rod design for reciprocating refrigerating compressors; the rotor profiles design method, the ports design for screw refrigerating compressors; the impeller design and fabrication for centrifugal refrigerating compressors.