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3D Microstructure Modeling of Porous Metal Filters
Department of Catalysis and Reaction Engineering, Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, Rozvojová 135, Prague CZ 16502, Czech Republic
Department of Organic Technology, Institute of Chemical Technology, Technická 5, Prague CZ 16628, Czech Republic
* Author to whom correspondence should be addressed.
Received: 11 May 2012; in revised form: 9 August 2012 / Accepted: 15 August 2012 / Published: 10 September 2012
Abstract: The contribution presents a modified method of stochastic reconstruction of two porous stainless-steel filters. The description of their microstructures was based on a combination of the two-point probability function for the void phase and the lineal-path functions for the void and solid phases. The method of stochastic reconstruction based on simulated annealing was capable of reproducing good connectivity of both phases, which was confirmed by calculating descriptors of the local porosity theory. Theoretical values of permeability were compared with their experimental counterparts measured by means of quasi-stationary permeation of four inert gases.
Keywords: porous metal filter; stochastic reconstruction; microstructural descriptors; simulated annealing; pore connectivity; viscous flow; knudsen flow
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MDPI and ACS Style
Hejtmánek, V.; Čapek, P. 3D Microstructure Modeling of Porous Metal Filters. Metals 2012, 2, 344-352.
Hejtmánek V, Čapek P. 3D Microstructure Modeling of Porous Metal Filters. Metals. 2012; 2(3):344-352.
Hejtmánek, Vladimír; Čapek, Pavel. 2012. "3D Microstructure Modeling of Porous Metal Filters." Metals 2, no. 3: 344-352.