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격자 볼츠만 방법을 이용한 미세 섬유 다공성 매질의 투과율에 관한 수치적 연구
조현준(H. Cho),정남균(N. Jeong),성형진(H.J. Sung) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.11
We calculated the permeability of micro-scale fibrous porous media using the lattice Boltzmann method. We constructed two models of overlapping fibers, and another two models of non-overlapping fibers. The effect of fiber overlapping on the permeability is investigated. The overlapping fibers yield up to 2 times larger value of permeability than the non-overlapping fibers. As the diameter of fiber increases, the fibers act as the granular inclusions. However, we obtained a correlation between the permeability and the porosity, which is useful in a wide range of the porosity, and is applicable to all fiber arrangements.