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배황(Hwang Bae),윤주식(Ju Sig Yoon),박기철(Ki Cheol Park),장근식(Keun-Shik Chang) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
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 k -ε equation model. The computational grid for the flow field of the scroll volute has been constructed based on the multi-block grid, which is good to avoid the central grid singularity as well as to make grid stretching toward the volute wall. Numerical result has been obtained for the three-dimensional flow of scroll volute. The straight conical volute flow is also solved and compared with the scroll volute data. This comparison contributed to comprehend the effect of scroll in the three-dimensional volute flow of a centrifugal compressor.