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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (1): 31-36    DOI: 10.1631/jzus.A0820146
Mechanical & Civil Engineering     
Column envelope meshing pair and its design method for single screw compressors
Wei-feng WU, Quan-ke FENG
School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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Abstract  A single screw compressor (SSC) is an important component found in many refrigeration systems. However, the durability is not so good because of the friction between its meshing pair. Therefore the column envelope meshing pair was proposed to prolong the operating life of SSCs, although it has not been applied to commercial refrigeration systems. To accelerate the industrial application, a mathematical model for analyzing the column envelope meshing pair is established based on the geometry and kinematics. Equations giving the flanks of column envelope grooves are obtained, and teeth flank meshing with the groove is designed. Results show that this model could be applicable in the design of the column envelope type SSC.

Key words： Column envelope      Single screw compressor (SSC)      Meshing pair      design      Mathematical model     
Received: 01 March 2008     
CLC:  TH455  
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Wei-feng WU
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Wei-feng WU, Quan-ke FENG. Column envelope meshing pair and its design method for single screw compressors. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(1): 31-36.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820146     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I1/31

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