技术中心

【摘要】 提出一种将毛细抽吸两相回路(CPL)与喷射式制冷技术相结合的新型制冷系统的设计方式,系统主要使用太阳能或低品位能作为驱动热能,利用喷射器和毛细芯的毛细抽吸作用来实现工质循环;分析系统的工作原理和运行过程,并利用实际气体等动量变化率的设计方法对系统的核心部件喷射器进行设计计算,并利用设计计算结果,计算分析在给定工况条件下,系统运行性能及能量利用效率。 【Abstract】 Designs a new style of capillary ejection refrigeration system which combines capillary pumped loop with vapor ejective refrigeration technique,analyzes the operational principle.It's allowed to be driven and performed a flow cycle by the solar energy and low-grade heat resource with use of vapor ejector and capillary force in capillary wick.Adopts the constant rate of momentum change method of real gas to design and calculate the core part vapor ejector,and then calculates and analyzes the COP and the energy utilization efficiency of the system by use of the calculation result of last step together with a given operation conditions. 【关键词】 毛细泵循环; 喷射器; 性能系数; 效率; 制冷 【Key words】 capillary pumped loop; ejector; coefficient of performance; exergy efficiency; refrigeration