An empirical study of the dry soot filtration behavior of a metal foam filter on a particle number concentration basis

Seok, Jungmin; Chun, Kwang Min; Lee, Jeongmin

doi:10.1016/j.energy.2014.09.010

Cited by 6 publications

(1 citation statement)

References 33 publications

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“…The impact of micro-particle onto solid surfaces can find its wide applications in many engineering fields, such as ash deposition (Baxter and DeSollar 1993;Lee and Lockwood 1998), filtration (Li et al 2011a;Seok et al 2014) and agglomerates (Dominik and Tielens 1997;Hassanpour et al 2007), etc. Modeling the impact process is very complicated, as it is a dynamic and nonlinear problem.…”

Section: Introductionmentioning

confidence: 99%

Dynamic impact model of plastic deformation between micro-particles and flat surfaces without adhesion

Xie

Dong

2016

Aerosol Science and Technology

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This article considers the normal elastic-plastic impact of micro-particles against a flat surface without adhesion, and a dynamic model of plastic deformation was developed to describe the rebound behavior of impacting particles. Analytical expression for restitution coefficient was obtained and it was validated by the experimental data in the literature. The effects of material properties and impact velocities on the rebound behavior were also discussed. The relationship of normal force, particle velocity, plastic deformation, and contact duration was derived. The results show that the evolution of the normal force for the elastic-plastic impact is asymmetric, and the contact time for the elastic-plastic impact is obviously longer than the equivalent perfectly elastic impact for a given impact velocity. It is also found that the evolutions of contact time and loading time varying with impact velocities are in good agreement with the experimental observations.

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