Favorable asymptotic solutions of the Graetz problem employing two dissimilar methods, each method engages three eigenvalues: Vestiges of history

Author(s):  
Antonio Campo
1991 ◽  
Vol 56 (1) ◽  
pp. 42-59 ◽  
Author(s):  
María-Luisa Alcaraz ◽  
Jesús Gálvez

Equations for a potentiostatic reaction with an adsorption process following Langmuir’s isotherm have been derived for the expanding sphere with any power law electrode model. This model is very general and includes, among others, the following ones: (a) stationary plane; (b) stationary sphere; (c) expanding plane; and (d) expanding sphere. Characteristics of these solutions and the behavior of the corresponding asymptotic solutions are discussed. A comparison of the results obtained for plane and spherical electrodes has also been performed.


1999 ◽  
Vol 86 (9) ◽  
pp. 4792-4798 ◽  
Author(s):  
Lindsey D. Thornhill ◽  
Prateen V. Desai

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