Investigation of Interstitial Velocity Field Inside Micro-Porous Media

Sen, Debjyoti; Abdolrazaghi, Mona; Nobes, David S.; Mitra, Sushanta K.

doi:10.1115/imece2010-38347

Cited by 3 publications

(2 citation statements)

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“…However, using the scanning stage one can extend this study to a three component threedimensional case. A preliminary result of such study was already reported by Sen et al (2010). Results of such studies can be useful in calculating the key transport properties like permeability in a microporous media.…”

Section: Image Processing and Vector Field Calculationmentioning

confidence: 82%

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Optical measurement of pore scale velocity field inside microporous media

Sen

Nobes

Mitra

2011

Microfluid Nanofluid

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An experimental technique to quantify velocity field at pore scale with in microporous media, formed by packing of microglass spheres of size 200 lm inside a glass micro-model, is presented. A microparticle image velocimetry (l-PIV) system is used to study velocity fields at four different spatial regions in the microporous medium. A combined particle image velocimetry (PIV) and particle tracking velocimetry (PTV) scheme is used to quantify velocity within a typical pore size of 10-50 lm. The experiments are conducted at four different flow rates. Two different measurement planes are selected for obtaining the detailed pore scale velocity field-one close to the glass wall and the other inside the porous medium at a distance 100 lm below the glass wall. The image processing technique for dealing with noisy data and sparse vector field has been discussed in detail. Probability density functions of transverse and axial velocity components are compared with available results in literature. The pore scale velocity field obtained can provide insight to flow properties in microporous media and can be a powerful tool to validate existing numerical results for flow through porous media.

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Section: Image Processing and Vector Field Calculationmentioning

confidence: 82%

“…A flow cell is designed using commercial designing software (Dassault Systemes SolidWorks Corp, Solidworks 2009) and is manufactured using a rapid prototype (Objet, Eden 350) technique (Sen et al 2010). A sectional view of the flow cell is shown in Fig. 1b.…”

Section: Methodsmentioning

confidence: 99%