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Computational Investigations of Pyrolysis in Porous Media: Impact of Heat and Mass Transfer

[+] Author Affiliations
Emilie Biotteau, Frédéric Plourde, Son Kim Doan

Laboratoire d’Etudes Thermiques - ENSMA, Futuroscope Chasseneuil, France

Jean-Pierre Lambelin

Centre d’Etudes Scientifiques et Techniques d’Aquitaine – CEA, Le Barp, France

Paper No. HT-FED2004-56462, pp. 927-932; 6 pages
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 2, Parts A and B
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4691-1 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME


The present paper deals with impact of heat and mass transfer on pyrolysis mechanisms in a porous media. Importance of porous medium anisotropy is addressed by using a two-dimensional simulation of the problem. To do so, the energy equation is discretized in space by a central differencing while modeling of mass transfer is based on pressure instead of velocity formulation. The kinetics is assumed to follow the lumped-parameter model which is mainly described by a three competitive reactions scheme. Results shed light on the role of grain over the pyrolytic behavior. The grain structure is found to strongly affect heat conduction as well as flows of volatile products through the pores.

Copyright © 2004 by ASME



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