Some fractal characters of porous media

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August undefined, 2024

WebNov 15, 2024 · Understanding the pore size distribution in porous media is of great significance for guiding and predicting the storage and production of internal gases. ... Some fractal characters of porous media. Fractals-Complex Geom Patterns Scaling Nat Soc, 9 (2001), pp. 365-372, 10.1142/S0218348X01000804. View in Scopus Google Scholar [31] 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 …

A generalized model for the effective thermal conductivity of porous …

WebJun 1, 2009 · 1.. IntroductionFractal porous media have been studied extensively for more than two decades since Mandelbrot’s pioneer work [1].Katz and Thompson [2] used scanning electron microscopy and optical data to show that the pore spaces of several sandstones are fractal geometries. Fractured rocks [3] and fragmented porous media [4] … WebApr 12, 2024 · PDF The porous Chalk River Unidentified Deposit (CRUD) ... Some fractal characters of porous media. Fractals 9 (03), 365–372 (2001) 18. rcog covid vaccination information sheet

ERRATUM: "Some Fractal Characters of Porous Media" - Semantic …

Web1 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. WebJan 1, 2011 · We 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 suggested in [Phys ... WebOct 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 ... rcog choosing to have a cs

Fractal Models of Porous Media SpringerLink

Fractal analysis of permeabilities for porous media

WebFeb 1, 2024 · Tight porous media are mainly composed of micro/nano-pores and throats, which leads to obvious microscale effect and nonlinear seepage characteristics. Based on the capillary bundle model and the fractal theory, a new nonlinear seepage equation was deduced, and a further fractal permeability model was obtained for oil transport in tight … 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}, … rcog core knowledgeWebIn 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 … rcog council members

"Web1.. IntroductionFractal porous media have been studied extensively for more than two decades since Mandelbrot’s pioneer work [1].Katz and Thompson [2] used scanning … " - Some fractal characters of porous media

Some fractal characters of porous media

$Analysis of seepage characters in fractal porous media$

WebFractal Characters of Porous Media and Flow Analysis Abstract. Porosity is a complex multivariate function which controls fluid flow through porous media. The variables... WebFeb 1, 2015 · A. Fractal flow rate of a single fracture fractal unit Although fractured media have been described as fractal objects in nature, [27] [28] [29][30] it is difficult to find accurately self-similar ...

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WebFeb 1, 2012 · 1. Introduction. For porous metal materials, the shape and distribution of pore are similar in the microstructure to pores' in sandstone on earth and the pore-structure usually exhibits fractal character [1].Pore-structure is one of important factors to affect the properties of porous metal materials, but it is very difficult to describe the pore-structure … 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 ...

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 … WebSOME FRACTAL CHARACTERS OF POROUS MEDIA. In this paper, a unified model for describing the fractal characters of porous media is deduced. The theoretical predictions …

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 …

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 …

WebApr 21, 2015 · Li, Some fractal characters of. porous media, Fr ac t a l s 8 (2001) 365–372. 18. B. M. ... In this paper, a unified model for describing the fractal characters of porous media is deduced. sims by nyaWebSome 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. sims by fionaWebA 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, … rcog covid lmwhWebThis 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 … sims cafe modWebModeling 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 … rcog continuity of careWeb@article{Yu2002ERRATUMF, title={ERRATUM: "Some Fractal Characters of Porous Media"}, author={Boming Yu and Jianhua Li}, journal={Fractals}, year={2002}, volume={10}, … simscale bounding boxWebFeb 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 fluid velocities in fractal porous media were also derived and found to be a function of the fractal dimensions and microstructural parameters of the medium. sims caerdydd