Some fractal characters of porous media
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 … 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 ...
Some fractal characters of porous media
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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}, … 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 …
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. 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 …
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 ... 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 2.87 would imply porosities between 95 % to 73 %, rather than the values between 5 % to 27 % that they calculated and measured.
WebERRATUM: "Some Fractal Characters of Porous Media" is erratum of. SOME FRACTAL CHARACTERS OF POROUS MEDIA; Boming Yu; and ; Jianhua Li; Boming Yu. Search for …
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 … how are you doing in farsiWebAug 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 are you doing friend in spanishWeb1.. IntroductionFractal porous media have been studied extensively for more than two decades since Mandelbrot’s pioneer work [1].Katz and Thompson [2] used scanning … how are you doing fellow kidsWebFeb 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 … how are you doing imageWebAn 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 ... how are you doing in bengaliWebA 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 are you doing gifWeb1 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. how are you doing in marathi