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TECHNICAL PAPERS

Reactive Flow in a Porous Medium: Formulation for Spatially Periodic Hexagonally Packed Cylinders

[+] Author and Article Information
G. Rajesh

Beverage Technical Center, American National Can, 2250 Lively Boulevard, Elk Grove Village, IL 60007

R. B. Bhagat

Engineering Science and Mechanics Department, 227 Hammond Building

K. A. Fichthorn

Chemical Engineering Department, 164 Fenske Building   The Pennsylvania State University, University Park, PA 16802

J. Appl. Mech 67(4), 749-757 (Oct 12, 1999) (9 pages) doi:10.1115/1.1312803 History: Received October 21, 1997; Revised October 12, 1999
Copyright © 2000 by ASME
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References

Figures

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Inner moving radii (cylinders) for different values of G
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Outer moving radii (cylinders) for different values of G
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Comparison of isothermal and nonisothermal unreacted-core shrinking models and the effect of initial temperature of carbon
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Porosity as a function of time and the effect of initial temperature (hexagonal packing of cylinders) in the Si/C system
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Porosity as a function of time and the effect of G values (hexagonal packing of cylinders) in the Si/C system
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Normalized transverse permeability values used in this study (hexagonal packing of cylinders; fixed representative volume element size)
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Permeability as a function of time for different initial temperatures, for a starting volume fraction of 0.3 (hexagonal locking of cylinders) in the Si/C system
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Permeability as a function of time for different initial temperatures, for a starting volume fraction of 0.4 (hexagonal packing of cylinders) in the Si/C system
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Permeability as a function of time for different G values, for a starting volume fraction of 0.3 (hexagonal packing of cylinders) in the Si/C system
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Permeability as a function of time for different G values, for a starting volume fraction of 0.4 (hexagonal packing of cylinders) in the Si/C system
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Infiltration front displacement for different initial temperature values (initial volume fraction=30 percent)
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Infiltration front displacement for different G values (initial volume fraction=30 percent)
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Infiltration front displacement for different initial temperature values (initial volume fraction=40 percent)
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Infiltration front displacement for different G values (initial volume fraction=40 percent)
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General schematic of concentration and temperature profiles in nonisothermal unreacted-core shrinking models after Wen and Wang 34
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Representative volume element with dimensions shown for calculation of permeability

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