2001
DOI: 10.1103/physreve.64.066702
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Pore-scale modeling of saturated permeabilities in random sphere packings

Abstract: We use two pore-scale approaches, lattice-Boltzmann (LB) and pore-network modeling, to simulate single-phase flow in simulated sphere packings that vary in porosity and sphere-size distribution. For both modeling approaches, we determine the size of the representative elementary volume with respect to the permeability. Permeabilities obtained by LB modeling agree well with Rumpf and Gupte's experiments in sphere packings for small Reynolds numbers. The LB simulations agree well with the empirical Ergun equatio… Show more

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Cited by 139 publications
(97 citation statements)
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“…A phenomenological relation was developed by curve fitting the calculated values for the permeability of both the bounded and unbounded three dimensional fibrous media. Pan et al [9] studied the flow through random packing of spherical particles with random diameter using the LBM along with the pore network modeling approaches for the low Reynolds number flow. A log-normal sphere size distribution, as proposed by Yang et al [10] was used, along with a D3Q15 lattice.…”
Section: Introductionmentioning
confidence: 99%
“…A phenomenological relation was developed by curve fitting the calculated values for the permeability of both the bounded and unbounded three dimensional fibrous media. Pan et al [9] studied the flow through random packing of spherical particles with random diameter using the LBM along with the pore network modeling approaches for the low Reynolds number flow. A log-normal sphere size distribution, as proposed by Yang et al [10] was used, along with a D3Q15 lattice.…”
Section: Introductionmentioning
confidence: 99%
“…Elaé uma propriedade que caracteriza um meio e está relacionado ao arranjo da sua composição. Esse parâmetro está diretamente associado a porosidade do material [8,11,14,15]. Meios permeáveis são meios porosos que possuem alguma conectividade entre os poros.…”
Section: Permeabilidadeunclassified
“…Com aspectos complexos e dependendo da amostra, os poros podem compor desde um macroporo formado por uma união de poros até ocorrências de microporosidades não conectadas. A determinação da permeabilidade está diretamente ligadaà porosidade e ao tamanho das partículas [7,8,11]. Essa propriedade pode ser prevista pela Lei de Darcy com as equações de Kozeny-Carman (KC) e Kozeny-Carman Generalizado (KCG) [8,[11][12][13][14][15].…”
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