| Titre : | Effect of domain perturbations on the critical condition for steady - state thermal explosions (2012) |
| Auteurs : | W. R. Batson, Auteur ; L. E. Johns, Auteur ; R. Narayanan, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | Industrial & engineering chemistry research (Vol. 50 N° 23, Décembre 2011) |
| Article en page(s) : | pp. 13244-13249 |
| Note générale : | Chimie industrielle |
| Langues : | Anglais |
| Tags : | Thermal explosion Steady state Critical conditions |
| Résumé : | A region heated by a temperature-dependent source is said to be stable if the heat conducted to the surroundings can balance the heat generated in the region. The critical value of the Frank-Kamenetskii number gives the limit of stability, the point at which a steady temperature field is no longer possible. Assuming that the critical Frank-Kamenetskii number can be obtained for a symmetric region where the problem is one-dimensional, we present a method for determining how it changes as the region is displaced into a less-symmetric region. We find that the displacement can be either stabilizing or destabilizing. The case of exponential heat generation is fairly well-predicted by the case of linear heat generation. |
| DEWEY : | 660 |
| ISSN : | 0888-5885 |
| En ligne : | http://cat.inist.fr/?aModele=afficheN&cpsidt=25267480 |
