Some fractal characters of porous media

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 ... Web@article{Yu2002ERRATUMF, title={ERRATUM: "Some Fractal Characters of Porous Media"}, author={Boming Yu and Jianhua Li}, journal={Fractals}, year={2002}, volume={10}, …

Porosity for fractal media - ResearchGate

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 ... 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 ... bitsight application https://swheat.org

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 … 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 … 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, … bitsight blog

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Category:Fractal Model for Thermal Contact Conductance J. Heat Transfer …

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Some fractal characters of porous media

Quantitative analysis of microscopic structure and gas seepage ...

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. 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

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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. WebThe 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 …

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, ...

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 … WebWe 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 …

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 …

WebYU, B., & LI, J. (2001). SOME FRACTAL CHARACTERS OF POROUS MEDIA. Fractals, 09(03), 365–372. doi:10.1142/s0218348x01000804 data protection and intellectual propertyWebAn 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 ... bitsight board of directorsWebIn 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 … bitsight beaconWebAbstractThe 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 … bitsight alertsWebFractals, Vol. 9, No. 3 (2001) 365{372 c World Scienti c Publishing Company SOME FRACTAL CHARACTERS OF POROUS MEDIA BOMING YU Department of Physics, … bitsie tulloch weddingWebApr 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 ... data protection and gdpr 2018Web1.. IntroductionFractal porous media have been studied extensively for more than two decades since Mandelbrot’s pioneer work [1].Katz and Thompson [2] used scanning … data protection and patient confidentiality