Determination of permeability of fibrous medium considering inertial effects

Sun K. Kim*, Jeremy G. Opperer, Isaac M Daniel

*Corresponding author for this work

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

A method is described for measuring the Reynolds number dependent permeability in order to consider the inertial effects of the flow through porous media. A nonlinear correction term is introduced and the corresponding coefficients are determined by inverse analysis. The method is based on an optimization process between computed and measured pressures at various locations in the mold and flow rates at the gate during steady state gas flow through the enclosed fiber preform. The computed pressure is obtained by the control volume finite element method (CVFEM). The proposed method was demonstrated by using a specially designed mold with multiple ports for gas injection and pressure measurement and it was shown that it could be implemented easily while yielding consistent and reliable results.

Original languageEnglish (US)
Pages (from-to)879-885
Number of pages7
JournalInternational Communications in Heat and Mass Transfer
Volume29
Issue number7
DOIs
StatePublished - Oct 1 2002

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Chemical Engineering(all)
  • Condensed Matter Physics

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