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산업용 음식물 처리기 챔버 형상변화에 따른 작동특성 연구
전성오(Seong-Oh Jeon),조성훈(Sung-Hoon Cho),김윤제(Youn-Jea Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
The industrial apparatus for disposing kitchen wastes is generally adopted the complex drying system combined more than two different systems. The drying efficiency of this apparatus can be affected by the inside flow characteristics of drying chamber. This will be caused by several parameters like shape, velocity of impeller, velocity of hot air and structure of chamber, etc. In this study, numerical analyses with various chamber shapes were performed, using a commercial CFD code, ANSYS CFX. Especially, two-phase flow numerical analyses were performed, because the inside flow of dryer chamber is consisted of hot-air and vapor. Effects of chamber configuration on the drying efficiency with various working parameters have been analyzed and results are graphically depicted.
전성오(Seong-Oh Jeon),조성훈(Sung-Hoon Cho),김윤제(Youn-Jea Kim) 한국유체기계학회 2009 유체기계 연구개발 발표회 논문집 Vol.2009 No.-
The complex drying apparatus combines convection drying as hot-stream and rotary drying as agitator. The drying efficiency of this apparatus can be decided by inside flow characteristics of chamber. These will be caused by several parameters like shape, rotational velocity of impeller and velocity of hot air. Numerical analysis of inside flow is simulated with various conditions by a commercial CFD(Computational Fluid Dynamics) code, ANSYS CFX. We assumed that the inside flow of chamber is consisted of hot-stream and vapor. After performing two-phase analyses, we obtained the distributions of velocity, pressure and volume fraction inside chamber under unsteady conditions. The influence between the design parameters and drying efficiency is identified by these results.