Some fractal characters of porous media

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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. 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 ...

Quantitative analysis of microscopic structure and gas seepage ...

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 … 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, … how many ncaa titles does rick pitino have

Porosity for fractal media - ResearchGate

WebAug 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 … 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] WebYU, B., & LI, J. (2001). SOME FRACTAL CHARACTERS OF POROUS MEDIA. Fractals, 09(03), 365–372. doi:10.1142/s0218348x01000804 how many okapis are in the world

Fractal Feature of Microstructure of Porous Medium in Effective …

ACCURATE PREDICTION OF PERMEABILITY IN POROUS MEDIA: …

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] … WebFractal Characters of Porous Media and Flow Analysis Abstract. Porosity is a complex multivariate function which controls fluid flow through porous media. The variables... how many operas did bach composeWeb1 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. photographs do not bend

"WebSome fractal characters of porous media [J]. Fractal, 2001, 9(3): 365-372. Google Scholar [13] Fripiat J J. Porosity and absorption Isotherms, in The Fractal ... Zeng Yanlei, et al. Fractal dimensionality dependence of microstructural parameters and permeability in fractal porous media [J]. Advances in Water Science. 2006, 17(6): 812-817. " - Some fractal characters of porous media

Some fractal characters of porous media

WebFractals, Vol. 9, No. 3 (2001) 365{372 c World Scienti c Publishing Company SOME FRACTAL CHARACTERS OF POROUS MEDIA BOMING YU Department of Physics, … 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 …

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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 … 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 ...

WebAbstractThe 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 … WebApr 1, 2013 · The fractal theory is a very effective tool to study the porous structure. Since the fractal theory was introduced, it has been widely applied to many fields of modern science, such as primary phase morphology [4], surface or fracture morphology [5,6], metal alloy matrix composites [7], permeability of porous media [8,9], crack detection [10 ...

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 … 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 ...

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 ...

WebApr 12, 2024 · PDF The porous Chalk River Unidentified Deposit (CRUD) ... Some fractal characters of porous media. Fractals 9 (03), 365–372 (2001) 18. how many ounces of water should we drinkWebAug 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 … how many passengers on viking longshipsWeb@article{Yu2002ERRATUMF, title={ERRATUM: "Some Fractal Characters of Porous Media"}, author={Boming Yu and Jianhua Li}, journal={Fractals}, year={2002}, volume={10}, … photographs electronics wavesWebFluid 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, ... how many ounces in a two liter bottleWebThe proposed fractal dimension for tortuous streamtubes in porous media is expressed as a function of porosity and scale, and there is no empirical constant in the proposed … how many oscar nominations for john williamsWebB. 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 … how many oz does a first class stamp coverWebAuthor: 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 … photographs dresses distressed in weather