R141b喷射式制冷系统的喷射器热力学模型设计

工程热物理学报 , 2008, 29(12): 2141-2144.

1.上海理工大学动力工程学院,上海,200093

2.上海理工大学动力工程学院,上海,200093

3.上海理工大学动力工程学院,上海,200093

基金项目: 上海市重点学科建设项目(T0503)

THERMODYNAMIC DESIGN OF EJECTOR ON R141b EJECTOR COOLING SYSTEM

本文采用传统的热力学模型,理论设计了对制冷剂R141b适用的喷射器,通过计算机程序及优化设计理论设计出该喷射器.同时,背压是整个循环中的重要参数,过高的背压会影响喷射器的性能,本文还给出喷射器的最大背压计算方法,以此来设计出最适合整个工况运行的冷凝器,从而完成整个循环的设计.

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