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Development of the New Analytic Model for Sand Deposition Particles Downstream of a Fence

Department of Mechanical Engineering, University of North Carolina at Charlotte, Charlotte, NC 28223, USA
Inventions 2020, 5(1), 4; https://doi.org/10.3390/inventions5010004
Received: 5 November 2019 / Revised: 29 December 2019 / Accepted: 14 January 2020 / Published: 16 January 2020
Movement of sand particles is a complicated phenomenon that occurs in nature. In this paper, the main goal is to provide an analytic model for the deposition profile of sand particles downstream of a fence. The analytic model was derived with respect to governing equations and shear flows for upstream and downstream regions. In this approach, we obtain a new expression for the downstream velocity of the fence, which allows for the determination of potential areas of deposition particles by assuming a log-normal distribution profile. A discrete-phase flow (DPM) was used to inject particles in the simulation domain. The DPM gives capabilities to capture spatiotemporal velocities components, as we can define the probability of deposition particles in the downstream of the fence. The proposed model was validated with a numerical model and experimental results. The comparison with field data and numerical results shows that the deposition profile is in acceptable agreement. With some assumptions and modifications about the properties of particles, the results of this research can be extended to snow accumulation downstream of a fence.
Keywords: sand deposition; fence; porous media; sand transport; analytic model; aeolian sand flux; wind erosion sand deposition; fence; porous media; sand transport; analytic model; aeolian sand flux; wind erosion
MDPI and ACS Style

Razi, P. Development of the New Analytic Model for Sand Deposition Particles Downstream of a Fence. Inventions 2020, 5, 4.

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