Title

THEORETICAL ASPECTS OF SELF-PROPAGATING REACTION FRONTS IN CONDENSED MEDIUM

Document Type

Article

Publication Date

12-1-1995

Department

Chemistry and Biochemistry

Abstract

Exothermic chemical reactions are capable of autocatalytic self-propagation in a condensed reactive medium as a thermal wave. These take place in self-propagating high-temperature synthesis, frontal polymerization, curing of epoxy resins, and various solid-phase reaction processes. The lack of accurate analytical solutions for the front velocity and spatial parameter distributions has led to a period of approximate analytical solutions based on the infinitely narrow reaction zone assumption. A more accurate reaction zone approximation is presented that results in new equations for temperature and concentration spatial distributions as well as the wave velocity. Necessary conditions for nondegeneration of the combustion wave were also obtained.

Publication Title

AICHE JOURNAL

Volume

41

Issue

12

First Page

2631

Last Page

2636

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