http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
PISO 알고리즘에서 난류예측의 후생성과 보완에 대한 연구
이재원,유홍선,강관구,Lee J. W.,Ryou H. S.,Kang K. G. 한국전산유체공학회 2002 한국전산유체공학회지 Vol.7 No.1
In this paper, a modification of PISO algorithm based on standard k-ε turbulence model was proposed. The numerical technique used in this research is finite volume method, hybrid scheme for discretizing convection term, Euler implicit scheme for discretizing time term, and non-staggered grid. The basic idea of the modification of PISO algorithm is to perform an additional corrector stage for turbulence kinetic energy and dissipation rate to correct the inconsistence of flow and turbulence. In order to validate this algorithm, simulation of flow around a square cylinder (Re=3000) was performed in two-dimensional case. The results obtained from the proposed scheme show better agreement with those from the experiment than using original PISO algorithm in coherent velocity field.
PISO 알고리즘에서 난류예측의 후행성과 보완에 대한 연구
이재원(J.W. Lee),유홍선(H.S. Ryou),강관구(K.G. Kang) 한국전산유체공학회 2002 한국전산유체공학회지 Vol.7 No.1
In this paper, a modification of PISO algorithm based on standard k- ε turbulence model was proposed. The numerical technique used in this research is finite volume method, hybrid scheme for discretizing convection term, Euler implicit scheme for discretizing time tenn, and non-staggered grid. The basic idea of the modification of PISO algorithm is to perform an additional corrector stage forturbulence kinetic energy and dissipation rate to correct the inconsistence of flow and turbulence. In order to validate this algorithm, simulation of flow around a square cylinder (Re=3000) was performed in two-'dimensional case. The results obtained from the proposed scheme show better agreement with those from the experiment than using original PISO algorithm in coherent velocity field.
축열 연소시스템의 최적화 구현을 위한 사용자 전용 해석 프로그램의 개발
강관구 ( K. G. Kang ),유수열 ( H. S. Ryou ),유홍선 ( S. Y. Ryou ),김혁주 ( H. J. Kim ),노동순 ( D. S. Noh ) 한국열처리공학회 2003 熱處理工學會誌 Vol.16 No.3
N/A In this study, a user oriented CFD program for optimum design of a regenerative combustion furnace. REBURN was developed. For user`s convenience, user friendly Graphic User Interface was made and the renumbering interface program was developed in order to directly input any generated mesh system from ICEM CFD/FEA. Also an automatic processing system for switching mode was developed. The program was verified through comparing with commercial CFD code about regenerative combustion furnace. Then, numerical simulation of real walking beam furnace used in real industry was performed and the parametric analysis was studied about the arrangement mode. As a results, the uniform temperature was appeared in the cross mode.