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 CSME 2020/10
Volume 41 No.5 : 623-626
 
Study on Labyrinth Seal Leakage Flow With Piston Eccentric Motion in a Labyrinth Compressor

Xiao-Ling Yua, Qian Lvb, Yu-Chi Pangb, Kun Wangb, Li-Wen Jinc and Zhao Luc
aSchool of Energy and Power Engineering Xi’an Jiaotong University, Xi’an, 70049, China.
bSchool of Energy and Power Engineering Xi’an Jiaotong University, Xi’an, 710049, China.
cSchool of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an, 710049, China.

Abstract: This paper investigated eccentricity characteristics of the piston and its influence on leakage flowrate of the labyrinth seal. The eccentricity of the piston and the dynamic pressures in the cylinder and in the labyrinth cavities were tested on a labyrinth piston compressor. Then, a 2-dimension transient flow model was built for the fluid flow in labyrinth seal. The labyrinth leakage flow rate with and without piston eccentricity was obtained and compared.

Keywords:  labyrinth compressor, labyrinth seal, leakage flow, piston eccentric motion

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© 2020  CSME , ISSN 0257-9731 


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