Paper Title:
Gas Diffusivity in Fractal - Characterized Porous Materials
  Abstract

The porous materials are usually the sources or sinks of indoor volatile organic compounds (VOC). In order to predict the VOC emission rate and choose best adsorbents, reasonable estimation of the diffusion coefficients of porous materials is required. Porous materials were usually depicted as a random network of interconnected pores of unspecified sizes and shapes. It may generate deviation to assume the network as simple topological structures. This paper investigated the diffusion coefficients of porous mate­­rials with the fractal theory and derived their diffusion coefficients considering the pore size distribution of the materials. The calculated result was validated by published experimental data.

  Info
Periodical
Edited by
Xingkuan Wu and Hao Xie
Pages
24-28
DOI
10.4028/www.scientific.net/AMR.224.24
Citation
G. Zhang, Y. F. Zhang, F. Ma, "Gas Diffusivity in Fractal - Characterized Porous Materials", Advanced Materials Research, Vol. 224, pp. 24-28, 2011
Online since
April 2011
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