Flow Through a Finite Packed Bed of Spheres: A Note on the Limit of Applicability of the Forchheimer-Type Equation

[+] Author and Article Information
Agnès Montillet

Laboratoire de Génie des Procédés appliqués à l’Environnement et l’Agroalimentaire, C.R.T.T., Bd de l’Université, BP 406-44602 Saint-Nazaire Cedex-Francee-mail: montill@crttsn.univ-nantes.fr

J. Fluids Eng 126(1), 139-143 (Feb 19, 2004) (5 pages) doi:10.1115/1.1637928 History: Received March 27, 2001; Revised June 23, 2003; Online February 19, 2004
Copyright © 2004 by ASME
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Schematic diagram of the experimental apparatus. On the right: the packed bed. (the test section is the delimited by the two central pressure taps). On the left: the experimental device. FI: electromagnetic flow meter, TI: temperature probe (Pt 100), TC: temperature controller.
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Schematic diagram of the measurement uncertainty of the different manometers used in this work
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Experimental data expressed in a dimensionless form
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Comparison of experimental data with different predictive equations
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Evolution of the modified friction factor as a function of the particle Reynolds number. Comparison with the variation of the fluctuation rate of the velocity gradient measured at a microprobe inside a similar packed bed by Seguin (1997).




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