Numerical Simulation of Particle Flow in a Sand Trap

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Sand traps are used to measure Aeolian flux. Since they modify the surrounding wind velocity field their gauging represents an important challenge. We use numerical simulations under the assumption of homogeneous turbulence based on FLUENT to systematically study the flow field and trapping efficiency of one of the most common devices based on a hollow cylinder with two slits. In particular, we investigate the dependence on the wind speed, the Stokes number, the permeability of the membrane on the slit and the saltation height.
7 pages, 9 figures, submited to Granular Matter

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Fluid Dynamics, Computational Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/167349

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.2649
 http://arxiv.org/abs/0808.2649

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arXiv