Open AccessThe Three-Dimensional Numerical Simulation and Experimental Research on Screw Compressor
Author(s) -
HE Xue-ming,
Dai Jin,
Meiping Wu,
Hongyuan Liu,
Chenggang Li
Publication year - 2014
Publication title -
advances in mechanical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.318
H-Index - 40
eISSN - 1687-8140
pISSN - 1687-8132
DOI - 10.1155/2014/189579
Subject(s) - gas compressor , computational fluid dynamics , computer simulation , mechanics , suction , volume of fluid method , process (computing) , flow (mathematics) , finite volume method , mechanical engineering , fluid dynamics , axial compressor , internal flow , compressibility , computer science , simulation , engineering , physics , operating system
This paper presents the mathematical model of screw compressors’ working process, in which the internal flow domains are divided into three kinds of fluids—the inlet fluid, the primitive volume fluid, and outlet fluid. Grid interface method and dynamic mesh technique of Computational Fluid Dynamics (CFD) theory were utilized to simulate the suction, compression, and discharge process in order to model the dynamic characteristics of the flow domains in a screw compressor. To verify that the model is numerically accurate and the simulation method is effective, experiments on the pressure-volume changes in screw compressor were carried out. The result has shown that the simulation data is in good agreement with the experimental data. Therefore, the numerical calculation model and the simulation method can be very useful for the screw compressor design and research
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