Singular Langmuir-Hinshelwood reaction-diffusion problems. strong absorption under quasi-isothermal conditions

Liñán Martínez, Amable and Vega de Prada, José Manuel (1982). Singular Langmuir-Hinshelwood reaction-diffusion problems. strong absorption under quasi-isothermal conditions. "Siam Journal on Applied Mathematics", v. 42 (n. 5); pp. 1047-1068. ISSN 0036-1399.

Description

Title: Singular Langmuir-Hinshelwood reaction-diffusion problems. strong absorption under quasi-isothermal conditions
Author/s:
  • Liñán Martínez, Amable
  • Vega de Prada, José Manuel
Item Type: Article
Título de Revista/Publicación: Siam Journal on Applied Mathematics
Date: October 1982
ISSN: 0036-1399
Volume: 42
Subjects:
Freetext Keywords: catalysis
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Motopropulsión y Termofluidodinámica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The steady state reaction-diffusion problem is considered for a permeable catalytic particle with Langmuir-Hinshelwood kinetics under isothermal and quasi-isothermal conditions. It is known that there may be multiple solutions due to either strong adsorption or external thermal effects; in the first case, an arbitrarily large number of solutions may appear for symmetric pellets in two and three dimensions. An asymptotic analysis provides analytical expressions for the response curve of the particle and for the multiplicity bounds. The approximate results compare quite well with those computed numerically, even in cases in which the gauge functions of the approximation scheme are of the logarithmic type.

More information

Item ID: 795
DC Identifier: http://oa.upm.es/795/
OAI Identifier: oai:oa.upm.es:795
Official URL: http://link.aip.org/link/?SMM/42/1047/1
Deposited by: Archivo Digital UPM
Deposited on: 22 Dec 2007
Last Modified: 20 Apr 2016 06:31
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