Coherent and Incoherent Scattering Mechanisms in Air-Filled Permeable Materials

dc.contributor.author Nagy, Peter
dc.date 2018-02-14T06:58:24.000
dc.date.accessioned 2020-06-30T06:44:42Z
dc.date.available 2020-06-30T06:44:42Z
dc.date.copyright Mon Jan 01 00:00:00 UTC 1996
dc.date.issued 1996
dc.description.abstract <p>Ultrasonic evaluation of porous materials can take advantage of some very specific acoustic phenomena that occur only in fluid-saturated consolidated solids of continuously connected pore structure. The most interesting feature of acoustic wave propagation in such media is the appearance of a second compressional wave, the so-called slow wave [1,2]. The slow compressional wave represents a relative motion between the fluid and the solid frame. This motion is very sensitive to the kinematic viscosity of the fluid and the dynamic permeability of the porous formation. Certain material properties such as tortuosity, permeability, porosity, and pore size, shape and surface quality are inherently connected to the porous nature of the material and can be evaluated best from the propagation properties of the slow compressional wave.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/qnde/1996/allcontent/16/
dc.identifier.articleid 3060
dc.identifier.contextkey 5807123
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath qnde/1996/allcontent/16
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/60726
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/qnde/1996/allcontent/16/1996_Nagy_CoherentIncoherent.pdf|||Fri Jan 14 20:50:33 UTC 2022
dc.source.uri 10.1007/978-1-4613-0383-1_16
dc.subject.disciplines Acoustics, Dynamics, and Controls
dc.title Coherent and Incoherent Scattering Mechanisms in Air-Filled Permeable Materials
dc.type event
dc.type.genre article
dspace.entity.type Publication
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