한국유체기계학회 논문집 (The KSFM Journal of Fluid Machinery)

한국유체기계학회 (Korean Society for Fluid machinery)
권호 표지
DOI QR코드

DOI QR Code

원심압축기의 링 그루브 효과에 관한 수치해석적 연구

Numerical Investigation of Ring Groove Effect in a Centrifugal Compressor

  • 박치용 (한양대학교 대학원 한국생산기술연구원) ;
  • 최영석 (한국생산기술연구원 에너지설비센터) ;
  • 이경용 (한국생산기술연구원 에너지설비센터) ;
  • 윤준용 (한양대학교 기계공학과)
  • 투고 : 2010.05.31
  • 심사 : 2011.02.10
  • 발행 : 2011.04.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a numerical study of casing treatments on a centrifugal compressor stage to improve stability and the surge margin. High efficiency, a high pressure ratio, and a wide operating range are required for a high performance centrifugal compressor. In the present study, a ring groove arrangement was applied to the transonic centrifugal compressor. According to the numerical analysis using a commercial code ANSYS-CFX, the unstable phenomena limiting the range of the centrifugal compressors were compared with and without a ring groove. Although the ring groove decreased the efficiency, but increased the operating range by suppressing a flow separation at the leading-edge of the impeller especially near shroud part. Newly designed ring groove arrangement improved the compressor performance and increased the operating range of the compressor.

키워드

참고문헌

  1. Tamaki, H. and Nakao, H. and Aizawa, T., 2003, “Experimental Study on Surge Inception in a centrifugal Compressor,” The 7th AICFM, No. 50021.
  2. Tamaki, H. and Unno, M. and Kawakubo, T., 2009, “Aerodynamic Design to Increase Pressure Ratio of Centrifugal Compressors for Turbochargers,” ASME Turbo Expo, GT 2009-59160.
  3. Sakaguchi, D. and Nagoshi, K. and Tanimura, M. and Ishida, M. and Ueki, H., 2009, “Effect of Guide vane in ring groove arrangement for a small turbocharger,” The 10th AICFM, AICFM 0119.
  4. Hembera, M. and Kau, H. P. and Johann, E., 2008, “Simulation of Casing Treatments of a Transonic Compressor Stage,” International Journal of Rotating Machinery, ID 657202 https://doi.org/10.1155/2008/657202
  5. Huang, X. and Chen, H. and Fu, S., 2008, “CFD Investigation on the Circumferential Grooves Casing Treatment of Transonic Compressor,” ASME Turbo Expo, GT 2008-51107 https://doi.org/10.1115/GT2008-51107
  6. Wang, T. and Xu, W. and Gu, C. and Xiao, C., 2010, “A New Type of Self-adaptive Casing Treatment for a Centrifugal Compressor,” ASME Turbo Expo, GT 2010-23457. https://doi.org/10.1115/GT2010-23457
  7. Taufan, S. and Ishida, M. and Ueki, H. and Fukunaga, T., 2003, “Computational and experimental studies on stall suppression in a centrifugal blower,” The 7th AICFM, No. 30007
  8. Hunziker, R. and Dickmann, H. P. and Emmrich, R., 2001, “Numerical and experimental investigation of a centrifugal compressor with an inducer casing bleed system,” IMechE2001, A02901. https://doi.org/10.1243/0957650011538910