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单螺杆的螺槽容积只是在阀齿进入螺杆进气端锥面并封闭螺槽后才能开始压缩,封闭后的螺槽容积是计算气量的基础。在推导封闭角的计算式时可以看到,进气端锥面角β对封闭角及进气口面积都有很大影响。本文对此作了较细致的分析。
Single screw screw groove volume is only in the valve into the screw inlet end of the cone and closed after the screw groove to start the compression, closed after the screw groove volume is calculated gas volume basis. When deriving the calculation formula of the enclosed angle, it can be seen that the inlet cone angle β has a great influence on the enclosed angle and the area of the air inlet. This article made a more detailed analysis.