Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Numerical Study on the Three-Dimensional Centrifugal Compressor Volute Flow

원심 압축기 벌류트 3차원 유동의 수치해석

  • 윤주식 (㈜뉴로스) ;
  • 박기철 (㈜뉴로스) ;
  • 장근식 (한국과학기술원 항공우주공학과) ;
  • 배황 (한국과학기술원 대학원 항공우주공학과)
  • Published : 2006.03.01
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Abstract

Three dimensional turbulent flow in the scroll volute of centrifugal compressor has been numerically investigated in this paper by solving the Navier-Stokes equations and $\kappa-\varepsilon$ equation model. The computational grid for the flow field of the scroll volute has been constructed based on the multi-block grid concept, which is good to avoid the central grid singularity as well as to promote grid stretching toward the volute wall. Numerical result has been obtained for both the two- and three- dimensions. For the latter flow, result of the scroll volute flow is compared with that of the straight conical volute. This comparison has sorted out the characteristic features of the three-dimensional scroll-type volute flow of centrifugal compressor.

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References

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