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Numerical Simulation for Cross-flow Turbulent Jet

Hongzhi Yan

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Abstract

By using RNG κ-e turbulent model and fluid finite element methods,this paper performed the numerical simulation for the cross-flow turbulent jet.There is a bifurcation in the jet,and the separation events and the wake in the lee of the jet exit are found,and the forming mechanism is also analyzed.The paper has given the velocity field which the jet flow and main flow′s velocity ratios is 3 and 5.The larger jet cross-flow velocity ratio can change the flow characteristics more obviously.

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What this paper is about

By using RNG κ-e turbulent model and fluid finite element methods,this paper performed the numerical simulation for the cross-flow turbulent jet.There is a bifurcation in the jet,and the separation events and the wake in the lee of the jet exit are found,and the forming mechanism is also analyzed.The paper has given the velocity field which the jet flow and main flow′s velocity ratios is 3 and 5.The larger jet cross-flow velocity ratio can change the flow characteristics more obviously.

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Available abstract

By using RNG κ-e turbulent model and fluid finite element methods,this paper performed the numerical simulation for the cross-flow turbulent jet.There is a bifurcation in the jet,and the separation events and the wake in the lee of the jet exit are found,and the forming mechanism is also analyzed.The paper has given the velocity field which the jet flow and main flow′s velocity ratios is 3 and 5.The larger jet cross-flow velocity ratio can change the flow characteristics more obviously.

Key concepts: Turbulence, Mechanics, Jet (fluid), Wake, Flow (mathematics), Physics, Computer simulation, Classical mechanics

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