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멀티그리드 기법을 이용한 원심압축기 임펠러의 3차원 회전유동 전산해석에 대한 검증
장규호(K. H. Chang),문영준(Y. J. Moon) 한국전산유체공학회 1998 한국전산유체공학회지 Vol.3 No.1
The three dimensional Navier-Stokes equations in rotational coordinate are solved using a multigrid algorithm for the calculations of turbulent flows in centrifugal compressor impellers. Some numerical studies are made in applying the multigrid algorithm for the turbulent flow calculations with the standard k-ε equations. The present method is used to calculate the flow fields of Mizukits B-type and Niigata Ms. 350 centrifugal compressor impellers. Fast convergent steady-state solutions are carefully examined, comparing the static pressure distributions along the impeller flow passage and also in the diffuser with experimental data. Performance of a centrifugal compressor system is also numerically validated by comparing the performances of the impeller and the diffuser individually.
멀티그리드 기법을 이용한 원심압축기 임펠러의 3차원 회전유동 전산해석에 대한 검증
장규호(K. H. Chang),문영준(Y. J. Moon) 한국전산유체공학회 1998 한국전산유체공학회지 Vol.3 No.1
The three dimensional Navier-Stokes equations in rotational coordinate are solved using a multigrid algorithm for the calculations of turbulent flows in centrifugal compressor impellers. Some numerical studies are made in applying the multigrid algorithm for the turbulent flow calculations with the standard k-ε equations. The present method is used to calculate the flow fields of Mizukits B-type and Niigata Ms. 350 centrifugal compressor impellers. Fast convergent steady-state solutions are carefully examined, comparing the static pressure distributions along the impeller flow passage and also in the diffuser with experimental data. Performance of a centrifugal compressor system is also numerically validated by comparing the performances of the impeller and the diffuser individually.