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

로터리 압축기의 토출밸브의 미소 거동 및 유동 특성에 대한 FSI(Fluid-Structure Interaction) 기법을 이용한 수치해석

  • 채희문 (경희대학교 대학원 기계공학과) ;
  • 김창녕 (경희대학교 테크노공학대학) ;
  • 박성관 (삼성전자(주))
  • Published : 2008.05.01

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

References

  1. Sano, K., "Analysis of hermetic rolling piston type compressor noise and counter measurements," Proc. of International Compressor Conference at Purdue, pp. 242-250, 1984
  2. Kawaguchi, S., "Noise reduction of rolling piston type rotary compressor," Proc. of International Compressor Conference at Purdue, pp. 550-565, 1986
  3. Shige, N., "Prediction & visualization of a three dimensional sound field to reduce the noise of rotary compressor," Proc. of International Compressor Conference at Purdue, pp. 591-601, 1986
  4. Sano, K. and Noguchi, M., "Cavity resonance and noise reduction in a compressor," IEEE Trans., Vol. IA-19, No. 6, pp. 1118-1123, 1983
  5. Sano, K., Noguchi, M. and Yamamura, M., "Air conditioning," Proceedings of JSARE Annual Conference, pp. 96-99, 1981
  6. Ahn, B. H. and Kim, Y. S., "A study on noise reduction of rotary compressor," Journal of Korean Society for Power System Engineering, Vol. 3, No. 3, pp. 60-69, 1999
  7. Jarng, I. S., Kim, B. J., Youn, Y., Sung, C. M. and Lee, S. K., "Development of a low noise and high efficiency rotary compressor with a new muffler," Journal of Fluid Machinery, Vol. 8, No. 2, pp. 23-30, 2005 https://doi.org/10.5293/KFMA.2005.8.1.023
  8. Kim, B. J., Youn, Y., Jung, C. H. and Lee, S. G., "Noise reduction of a rotary compressor by a new muffler," Proceedings of the KSNVE Autumn Annual Conference, pp. 141-145, 2003