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关于对毛细管的选择,根据ASHRAE手册中给出的一些相关推荐,并通过绝热毛细管以及毛细管/吸气通路热交换器,我们制作了针对HFC冷媒(R134a,R410A与R404A)的评价表。本文就该评价表的制作方法以及如何在特殊条件下利用这张评价表确定毛细管的管径与长度进行介绍。
With regard to the choice of capillaries, we made evaluation sheets for HFC refrigerants (R134a, R410A and R404A) based on some relevant recommendations given in the ASHRAE Handbook and through adiabatic capillaries and capillary / aspiration channel heat exchangers. This paper describes how to make the evaluation form and how to use this evaluation form to determine the capillary diameter and length under special conditions.