Numerical Simulation of Cross-Flow around Four Cylinders in a Square Configuration Using Lattice Boltzmann Method

Wei Zhang; Hui Hua Ye; Jian Hua Tao

doi:10.4028/www.scientific.net/AMM.405-408.3259

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Numerical Simulation of Cross-Flow around Four...

Numerical Simulation of Cross-Flow around Four Cylinders in a Square Configuration Using Lattice Boltzmann Method

Abstract:

The flow around four cylinders in a square configuration with a spacing ratio 4 and Reynolds number of 200 are investigated using lattice Boltzmann method for angles of incidence α=0 and 45º, respectively. The results show that no biased flow occurs and the flow pattern is symmetrical at α=0, and the vortex shedding exists after the upstream cylinders which is completely different from the experimental results. It is hard to explain the discrepancy at present. The phenomenon of vortex shedding in-phase observed in the experiment reappears in the numerical simulation at α=45º.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

3259-3262

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.3259

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Online since:

September 2013

Authors:

Wei Zhang, Hui Hua Ye, Jian Hua Tao

Keywords:

Flow around Four Cylinders, LBM, Numerical Simulation, Spacing Ratio

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References

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