In situ measurement of permeability

Lin Lin, M. L. Peterson, Alan R. Greenberg, Benjamin A. McCool

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Permeability of a porous material with a fluid interface is shown to be related to the propagation of the slow longitudinal wave. The propagation threshold of the slow longitudinal wave occurs when the wave number is higher than the critical wave number, kcr. Measuring kcr can provide the intrinsic permeability of a porous interface. The ability to detect a change in kcr due to differences in pore size and fluid viscosity is demonstrated. This measurement is demonstrated in a model material with two pore sizes and two fluid viscosities. The results suggest opportunities to extend the method to a range of materials of scientific and technical importance.

Original languageEnglish
Pages (from-to)EL123-EL128
JournalJournal of the Acoustical Society of America
Volume125
Issue number4
DOIs
StatePublished - 2009

Bibliographical note

Funding Information:
The authors acknowledge support from the NSF Industry/University Cooperative Research Center for Membrane Applied Science and Technology at the University of Colorado at Boulder. They are also grateful for the valuable discussions and technical support from Dr. Thomas J. Plona (Schlumberger-Doll Research).

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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