다중 블록 격자를 이용한 원뿔 직관 모양의 벌류트 유동의 수치해석NUMERICAL SIMULATION ON A VOLUTE OF STRAIGHT CONICAL DUCT TYPE BY MULTI-BLOCK GRID

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Numerical investigation of a centrifugal compressor volute having a modified straight conical duct hill been made. Three-dimensional Reynolds-Averaged Navier-Stokes equations with $k-{\varepsilon}$ turbulence equation are solved To avoid coordinate singularity at the central axis of the duct, multi-block H-type grid is generated on the circular cross-sections of the volute and stretched toward the solid wall boundary. We obtained numerical results with three different mass flow rates at the volute inlet, namely, with the inlet conditions that give small, medium and large mass flow rates at the outlet of the conical duct. Agreement with the experimental results is observed.
Publisher
한국전산유체공학회
Issue Date
2006
Keywords

다중 블록 격자; 원심압축기; 벌류트; 입구유동조건; RANS 방정식

Citation

한국전산유체공학회지, Vol.11, No.1, pp.1-7

Citation
Journal of computational fluids engineering, Vol.11, No.1, pp.1-7
ISSN
1598-6071
URI
http://hdl.handle.net/10203/22311
Appears in Collection
AE-Journal Papers(저널논문)
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