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2004•Journal of Hydraulic EngineeringRequires access

3-D numerical modeling of lateral intake flow in open channel

Yiying He

Open publisher page 1 citations

Abstract

The velocity distribution,Reynolds stress and turbulent kinetic energy distribution of the flow in the lateral intake of rectangular open channel are numerically simulated.The Navier-Stokes equations for describing the flow are closed with anisotropic Reynolds stress model.The validity of the model is verified by relevant experimental data.By using this model,more hydraulic behaviors of the lateral intake flow are revealed including the demarcation of flow field,flow separation,reversed flow,formation of vortex and helical flow as well as the distribution of shear stress on the channel bed.

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What this paper is about

The velocity distribution,Reynolds stress and turbulent kinetic energy distribution of the flow in the lateral intake of rectangular open channel are numerically simulated.The Navier-Stokes equations for describing the flow are closed with anisotropic Reynolds stress model.The validity of the model is verified by relevant experimental data.By using this model,more hydraulic behaviors of the lateral intake flow are revealed including the demarcation of flow field,flow separation,reversed flow,formation of vortex and helical flow as well as the distribution of shear stress on the channel bed.

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Available abstract

The velocity distribution,Reynolds stress and turbulent kinetic energy distribution of the flow in the lateral intake of rectangular open channel are numerically simulated.The Navier-Stokes equations for describing the flow are closed with anisotropic Reynolds stress model.The validity of the model is verified by relevant experimental data.By using this model,more hydraulic behaviors of the lateral intake flow are revealed including the demarcation of flow field,flow separation,reversed flow,formation of vortex and helical flow as well as the distribution of shear stress on the channel bed.

Key concepts: Open-channel flow, Mechanics, Reynolds stress, Chézy formula, Turbulence, Hele-Shaw flow, Shear stress, Flow (mathematics)

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