Numerical simulation of leakage rates of labyrinth seal in reciprocating compressor

5th Global Conference on Materials Science and Engineering

Tang, H.N.^1 ; Yao, H.^2 ; Wang, S.J.^1 ; Meng, X.S.^1 ; Qiao, H.T.^1 ; Qiao, J.H.^1

School of Mechanical Engineering, Shenyang University of Technology, Shenyang, China^1

AVIC Aerodynamic Research Institute, Shenyang, China^2

关键词: Different structure;    Fluid structure couplings;    Fluid structure interaction analysis;    Internal structure;    Iterative calculation;    Labyrinth structure;    Labyrinth-seal structures;    Sealing process;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/164/1/012015/pdf
DOI  :  10.1088/1757-899X/164/1/012015

来源: IOP

【 摘 要 】

The influence of labyrinth seal structure on leakage behaviour in a reciprocating compressor was addressed in this paper. The effects of the main labyrinth seal parameters, such as tooth angle, sealing clearance, and cavity depth, were compared using FLUENT software and iterative calculation results. Simulations of the sealing process with the influence of internal structure size of labyrinth seal performance in different structures were conducted to explore the characteristics of fluid flow. By comparing the simulations of leakage of fluid- structure interaction and experience formula calculations, the results revealed the validity of the fluid-structure interaction analysis method. The CFD analysis method for fluid-structure coupling was adopted to verify the theory of labyrinth seals and for the design of a labyrinth structure.