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Journal of Porous Media
Импакт фактор: 1.49 5-летний Импакт фактор: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Печать: 1091-028X
ISSN Онлайн: 1934-0508

Выпуски:
Том 22, 2019 Том 21, 2018 Том 20, 2017 Том 19, 2016 Том 18, 2015 Том 17, 2014 Том 16, 2013 Том 15, 2012 Том 14, 2011 Том 13, 2010 Том 12, 2009 Том 11, 2008 Том 10, 2007 Том 9, 2006 Том 8, 2005 Том 7, 2004 Том 6, 2003 Том 5, 2002 Том 4, 2001 Том 3, 2000 Том 2, 1999 Том 1, 1998

Journal of Porous Media

DOI: 10.1615/JPorMedia.v18.i3.40
pages 231-244

SIMULATION OF OPEN MICROCELLULAR CARBON FOAMS: PERIODIC AND APERIODIC STRUCTURES

Shawn Austin
Division of Research and Extension, South Carolina State University, Orangeburg, South Carolina 29117, USA
Desmond Stephens
Department of Mathematics, Florida A&M University, Tallahassee, Florida 32307, USA
Kenneth K. Walsh
Department of Civil Engineering, Ohio University, Athens, Ohio 45701, USA
Carl A. Moore
Department of Mechanical Engineering, Florida A&M University, Tallahassee, Florida 32310,
Garlen. D. Wesson
University of Maryland Eastern-Shore, Princess Anne, Maryland 21853, USA
Jay Njuguna
Department of Scientific Computing, Florida State University, Tallahassee, Florida 32306, USA
Rika Paul
Department of Scientific Computing, Florida State University, Tallahassee, Florida 32306, USA

Краткое описание

A periodic structure is presented that can represent medium-to-high porosity open-cellular spherical void phase carbon foams. A mathematical expression is developed that relates the porosity of the structure to the void diameter and the unit cell dimension. Next, an algorithm capable of simulating the random structure of open-cellular carbon foams with spherical inclusions was developed. The influence of the physical topological parameters on foam porosity and randomness was evaluated. A Monte Carlo method is presented for approximating the porosity and specific surface areas in the heterogeneous foam representations. The results of the Monte Carlo method are in good agreement with three-dimensional models generated by computer-aided design and an image processing technique in the literature.


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