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A Numerical Analysis with the FSI Mode on the Characteristics of Flow Field and Discharge Valve Motion in a Rotary Compressor  

Chae, Hee-Moon (경희대학교 대학원 기계공학과)
Kim, Chang-Nyung (경희대학교 테크노공학대학)
Park, Sung-Kwan (삼성전자(주))
Publication Information
Journal of the Korean Society for Precision Engineering / v.25, no.5, 2008 , pp. 112-120 More about this Journal
Abstract
This study has been conducted to investigate the characteristics of flow field and discharge valve motion in a rotary compressor. In this study, a transient three-dimensional numerical analysis using FSI(Fluid-Structure Interaction) model has been employed to analyze the interaction between the discharge valve and the refrigerants in the rotary compressor. It has been observed that two peaks have appeared in the displacement of the discharge valve. The maximum displacement of the discharge valve has been found to be located at the second peak. Also, the input pressure of the refrigerants has been compared with the pressures of the muffler passage and the compressor outlet in the rotary compressor. The pressure has decreased along the pathway in the rotary compressor. And the volume flow rates obtained from the current numerical study have been compared with the experiment at data to verify the validity of the present numerical study. This study may supply the fundamental data for the design of rotary compressors.
Keywords
Rotary compressor; Muffler; Discharge valve; Pressure fluctuations; FSI(Fluid-Structure Interaction);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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