نتایج جستجو برای: Fibrous media

تعداد نتایج: 307485  

M Khaksar M Khatib M Nazari, M.M Shahmardan

Study of permeability of Fibrous Composites is important in several natural and industrial processes in mechanical engineering. In this study, a comprehensive mathematical model is presented for calculation of normal permeability of ordered elliptical fibrous media. An innovative scale-analysis technique is employed for determining the normal permeability of elliptical fibrous media. In this te...

2014
M. M. Shahmardan M. Nazari M. Khaksar M. Khatib

Study of permeability of Fibrous Composites is important in several natural and industrial processes in mechanical engineering. In this study, a comprehensive mathematical model is presented for calculation of normal permeability of ordered elliptical fibrous media. An innovative scale-analysis technique is employed for determining the normal permeability of elliptical fibrous media. In this te...

2015
Zhongzhao Teng Jiaxuan Feng Yongxue Zhang Michael P.F. Sutcliffe Yuan Huang Adam J. Brown Zaiping Jing Qingsheng Lu Jonathan H. Gillard

Atherosclerotic plaque rupture occurs when mechanical loading exceeds its material strength. Mechanical analysis has been shown to be complementary to the morphology and composition for assessing vulnerability. However, strength and stretch thresholds for mechanics-based assessment are currently lacking. This study aims to quantify the ultimate material strength and extreme extensibility of ath...

2017
Jingang Lu Hye Kyeong Jang Wook Ryol Hwang

To characterize the velocity slip at the fibrous porous media, data on the anisotropic slip length has been fully analyzed through direct simulations for various geometrical aspects of fiber architecture [2] ). This data article provides detailed slip lengths and slip coefficients in dimensionless form as a function of various geometrical parameters of fibrous porous media including the fiber v...

Journal: :Composites Part A: Applied Science and Manufacturing 2010

2013
Hyunjun Cho Hyung Jin Sung

The permeabilities of microscale fibrous porous media were calculated using the multiple-relaxation-time (MRT) lattice Boltzmann method (LBM). Two models of the microscale fibrous porous media were constructed based on overlapping fibers (simple cubic, body-centered cubic). Arranging the fibers in skew positions yielded two additional models comprising non-overlapping fibers (skewed simple cubi...

Journal: :Optics express 2013
Tomas Linder Torbjörn Löfqvist Ludovic G Coppel Magnus Neuman Per Edström

Lateral light scattering in fibrous media is investigated by computing the modulation transfer function (MTF) of 22 paper samples using a Monte Carlo model. The simulation tool uses phase functions from infinitely long homogenous cylinders and the directional inhomogeneity of paper is achieved by aligning the cylinders in the plane. The inverse frequency at half maximum of the MTF is compared t...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
Ali Tamayol Majid Bahrami

In this study, the transverse permeability of fibrous porous media is studied both experimentally and theoretically. A scale analysis technique is employed for determining the transverse permeability of various fibrous matrices including square, staggered, and hexagonal arrangements of unidirectionally aligned fibers, as well as simple two-directional mats and simple cubic structures. In the pr...

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