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곽승현(Seung-Hyun Kwag),정인동(In-Dong Jung) 한국해양환경·에너지학회 2012 한국해양환경공학회 학술대회논문집 Vol.2012 No.5
Flow analysis was carried out around the end cap in the nuclear piping system. The wall thinning was due to the liquid droplet impingement erosion, which gave the leakage in the piping system. They are composed of the control valve, orifice, expander, check valve, tie-type pipe and the md-cap. Numerical simulation has been carried out to make clear the effect of liquid droplet impingement erosion to the end cap, which is passed through the orifice in the two-phase of high pressure in a power plant For the analysis, three types of models (ID,2D,3D) are applied for the comparison with the base design. Computational result shows that 2D case is the best among them because it weakens the impingement erosion. FLUENT package code was used for the hybrid multi-phase with RNG k-e turbulence model.
곽승현(Seung-Hyun Kwag),정인동(In-Dong Jung) 대한조선학회 2012 대한조선학회 학술대회자료집 Vol.2012 No.5
Flow analysis was carried out around the end cap in the nuclear piping system. The wall thinning was due to the liquid droplet impingement erosion, which gave the leakage in the piping system. They are composed of the control valve, orifice, expander, check valve, tie-type pipe and the end-cap. Numerical simulation has been carried out to make clear the effect of liquid droplet impingement erosion to the end cap, which is passed through the orifice in the two-phase of high pressure in a power plant. For the analysis, three types of models (1D,2D,3D) are applied for the comparison with the base design. Computational result shows that 2D case is the best among them because it weakens the impingement erosion. FLUENT package code was used for the hybrid multi-phase with RNG k-e turbulence model.