A Magnetic Characterization Of The Texture Of Simple Porous-media

Smith, Mark E. and Stuart, S.N. (1995) A Magnetic Characterization Of The Texture Of Simple Porous-media. Journal of Physics D: Applied Physics, 28 (2). pp. 229-238. ISSN 0022-3727. (The full text of this publication is not available from this repository)

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Official URL
http://dx.doi.org/10.1088/0022-3727/28/2/001

Abstract

A novel, magnetic way of characterizing the geometric structure of the voids in macroporous material is presented. A system of methane gas confined interstitially in a close-packed assembly of non-absorbent zirconia beads constitutes a two-phase model (pore and matrix) of simple porous media. Nuclear magnetic resonance measurements of the proton spectral linewidth and spin echo decay are reported. They are compared with a theoretical model of the intrinsic, non-uniform, magnetic field and its gradient, which are due to the heterogeneous magnetic susceptibility. Three magnetic parameters are derived, which indirectly characterize the pore geometry and which adequately describe the system over seven-ford ranges of gas pressure and bead size.

Item Type: Article
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts
Depositing User: I.T. Ekpo
Date Deposited: 25 Oct 2009 19:30
Last Modified: 09 Jun 2014 10:32
Resource URI: http://kar.kent.ac.uk/id/eprint/19061 (The current URI for this page, for reference purposes)
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