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2007•Journal of Xinjiang Agricultural UniversityRequires access

Numerical Simulation of 3-D Flow Field in the Sand Funnel

Jie Hou

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Abstract

The computation region of the sand funnel is treated by special means so that some reasonable boundary conditions can be adopted.Volume of Fluid(VOF) method is introduced to trace free-surface.The RNG model is used for turbulence modeling,all of which is combined.The 3-D water-air two-phase flow field in the sand funnel is simulated,and free-surface position,static pressure and velocity distribution are obtained.The comparison between velocity distribution and experimental results obtained from numerical calculation was conducted.The computed result has some instructive significance to study the characteristic of flow field in the sand funnel.

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What this paper is about

The computation region of the sand funnel is treated by special means so that some reasonable boundary conditions can be adopted.Volume of Fluid(VOF) method is introduced to trace free-surface.The RNG model is used for turbulence modeling,all of which is combined.The 3-D water-air two-phase flow field in the sand funnel is simulated,and free-surface position,static pressure and velocity distribution are obtained.The comparison between velocity distribution and experimental results obtained from numerical calculation was conducted.The computed result has some instructive significance to study the characteristic of flow field in the sand funnel.

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Available abstract

The computation region of the sand funnel is treated by special means so that some reasonable boundary conditions can be adopted.Volume of Fluid(VOF) method is introduced to trace free-surface.The RNG model is used for turbulence modeling,all of which is combined.The 3-D water-air two-phase flow field in the sand funnel is simulated,and free-surface position,static pressure and velocity distribution are obtained.The comparison between velocity distribution and experimental results obtained from numerical calculation was conducted.The computed result has some instructive significance to study the characteristic of flow field in the sand funnel.

Key concepts: Funnel, Volume of fluid method, Mechanics, Turbulence, Free surface, Flow (mathematics), Field (mathematics), Position (finance)

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