摘要：通过典型离心通风机蜗壳的几何关系，采用数学方法推导出了蜗舌间隙、舌尖半径等参数之间的数学关系。关键词：离心式通风机蜗舌间隙中图分类号：TH432文献标识码：B文章编号：1006-8155（2006）05-0017-02The Solution of Volute Tongue Clearance for Centrifugal
FanAbstract: Through geography relation of typical centrifugal fan volute,
the mathematic relations between the parameters of volute tongue clearance and
tongue tip semi-diameter etc. are derivates by mathematic
method.Key words: Centrifugal fan Volute tongue Clearance