Some fractal characters of porous media

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WebGiven Eq. ( 4.19 ), which relates the fractal dimensionality of the pore space to the porosity, and their assumed values r m / r 0 ≈10 4, their fractal dimensionality range from 2.57 to … WebThis model can be used to analyze the effective stress effects on pore size of porous media and fractal dimension of the pore structure distribution. 1. According to the fractal model …

Fractal analysis of permeabilities for porous media

WebModeling of fluid flow through porous media presents three main properties: very large range of length scales, strong heterogeneity and, in some cases, flow instability. All these … WebFluid flow in the real porous media is more influenced by the narrow throat ... Yu and J. Li, Some fractal characters of porous media, Fractals 9 (2001) 365–72. Link, ... ca notary public license lookup

A Fractal Model for Oil Transport in Tight Porous Media

WebAug 23, 2024 · Porous media are assumed as a bunch of curved capillaries of rough pore-solid surface, with capillary size distributions and surface roughness following the fractal scaling laws, for which a permeability model is derived to capture both tortuosity and roughness of the pore space in this work. First, the fractal geometry theory and the … WebAn effective thermal conductivity model for fractal porous media with rough surfaces. Advances in Geo-Energy Research, 2024, 3(2 ... B., Li, J. Some fractal characters of porous media. Fractals, 2001, 9(3): 365-372. Zeng, J., Liu, J., Li, W., et al. Evolution of shale permeability under the inﬂuence of gas diffusion from the fracture wall ... WebFractal Characters of Porous Media and Flow Analysis Abstract. Porosity is a complex multivariate function which controls fluid flow through porous media. The variables... flakes curso

A NEW METHOD FOR CALCULATING FRACTAL DIMENSIONS OF …

SOME FRACTAL CHARACTERS OF POROUS MEDIA Semantic …

WebB. Yu and J. Li , Some fractal characters of porous media, Fractals 9(3) (2001) 365–372. Link, ISI, Google Scholar; 33. P. Xu and B. Yu , Developing a new form of permeability and … WebSome fractal characters of porous media. Fractals, 2001, 9(3): 365-372 123 Majumdar A, Bhushan B. Role of fractal geometry in roughness characterization and contact mechanics of surfaces. flakes coconutWebAbstractThe flow in porous media has received a great deal of attention due to its importance and many unresolved problems in science and engineering such as … ca notary public exam results

"WebThe fractal region of the small-micro pores ranged from 0.006 μm to 8 μm and the fractal region ratio was 0.75×10 -3 < 1×10 -3 (Yu and Li, 2001). The corresponding fractal dimensions were ... " - Some fractal characters of porous media

Some fractal characters of porous media

Fractal Feature of Microstructure of Porous Medium in Effective …

WebIn addition, the present work reveals that the relative permeability depends not only on saturation but also on the two fractal dimensions, pore fractal dimension (at porosity … WebFeb 1, 2009 · In this study, we summarized some basic characters of fractal porous media, including the fractal pore or particle size distribution, pore or particle density function, the fractal dimensions for the pore and solid phases, and their relations. The geometric porosities vs. the fractal dimensions and microstructures of porous media were reviewed …

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WebAbstract. In this paper, a unified model for describing the fractal characters of porous media is deduced. The theoretical predictions from the proposed unified model are compared … WebAuthor: José A. Ferreira Publisher: Springer Science & Business Media ISBN: 1461450551 Category : Mathematics Languages : en Pages : 215 Download Book. Book Description This volume presents a selection of survey and research articles based on invited lectures and contributed talks presented at the Workshop on Fluid Dynamics in Porous Media that was …

WebDec 1, 2007 · In this study, we summarized some basic characters of fractal porous media, including the fractal pore or particle size distribution, pore or particle density function, the fractal dimensions for ...

WebYU, B., & LI, J. (2001). SOME FRACTAL CHARACTERS OF POROUS MEDIA. Fractals, 09(03), 365–372. doi:10.1142/s0218348x01000804 WebSep 8, 2024 · DOI: 10.1016/J.COMPSCITECH.2024.108957 Corpus ID: 237652901; A fractal model of effective mechanical properties of porous composites @article{Chao2024AFM, title={A fractal model of effective mechanical properties of porous composites}, author={Xujiang Chao and Wenlong Tian and Feng Xu and Dahua Shou}, …

WebA fractal analysis of permeabilities for porous media, both saturated and unsaturated, is presented based on the fractal nature of pores in the media. Both the fractal-phase permeability and the fractal relative permeability are derived and found to be a function of the tortuosity fractal dimension, pore-area fractal dimension, phase fractal dimension, …

Web@article{Yu2002ERRATUMF, title={ERRATUM: "Some Fractal Characters of Porous Media"}, author={Boming Yu and Jianhua Li}, journal={Fractals}, year={2002}, volume={10}, … flake security hardwareWebAug 8, 2008 · A random number model based on fractal geometry theory is developed to calculate the thermal contact conductance (TCC) of two rough surfaces in contact. This study is carried out by geometrical and mechanical investigations. The present study reveals that the fractal parameters D and G have important effects on TCC. The predictions by the … flake selection boxWeb1.. IntroductionFractal porous media have been studied extensively for more than two decades since Mandelbrot’s pioneer work [1].Katz and Thompson [2] used scanning … flakes cornerWebOct 8, 2004 · [22] Yu B M and Li J H 2001 Some fractal characters of porous media Fractals 9 365. Crossref; Google Scholar [23] Yu B M and Cheng P 2002 A fractal permeability model for bi-dispersed porous media Int. J. Heat Mass Transfer 45 2983. Crossref; Google Scholar [24] Yu B M, Lee L J and Cao H Q 2002 A fractal in-plane permeability model for fabrics ... flakes corn flakesWeb1 day ago · The deviation of the exponent from that predicted by Porod’s law indicates the fractal character of the porous glass with the surface fractal dimension d s =2.5 in the range of scales from 1.5 to 80 nm . The fractality obtained correlates with the results of Ref. where the fractal dimension d s = 2.4 was found for the Vycor porous glass. flakes desserts 97a lozells road b192trWebIn mathematics, a fractal is a geometric shape containing detailed structure at arbitrarily small scales, usually having a fractal dimension strictly exceeding the topological dimension.Many fractals appear similar at various scales, as illustrated in successive magnifications of the Mandelbrot set. This exhibition of similar patterns at increasingly … ca notary proof of executionWebWe consider the fractal media as special ("fractional'') continuous media. We discuss the possible experimental testing of the continuous medium model for fractal media that is … ca notary public live scan form