流体机械

1989, (08) 16-21+65

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涡旋压缩机的齿端流动阻力对最佳压缩比的影响
The Influence. of Flow Resistances through Openings of Scroll Wraps on the Optimum Pressure Ratio

郑敏之
Zheng Mingzhi

摘要(Abstract):

本文分析了涡旋压缩机齿端流动阻力的影响。排出端的流动阻力引起过压缩损失,但在操作压力高或转速提高时,却减少了不足压缩损失,因此使最佳压缩比变得高于内部压缩比。
This paper analyses the influence of flow resistances through openings of scroll wraps. The flow resistance of discharge opening causes a overcompression loss. But When. pressure operationis high or the speed is increased, it lessens a under-compression loss. Therefore, the optimum operating pressure ratio shifts to a pressure ratio higher than the built-in pressure ratio.

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作者(Author): 郑敏之
Zheng Mingzhi

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