Velocity of the simplest solid-phase chemical reaction front and internal mechanical stresses

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4 Citations (Scopus)

Abstract

The theory of thermal and mass elasticity is the basis for deriving equations for describing the stationary front of chemical transformations in a deformable medium. Approximate formulas are obtained for the case of a zero-order reaction for calculating the stationary velocity in different particular cases. An increase in the front velocity is shown to be possible, in particular, as a result of direct activation of the chemical reaction at the expense of the work done by the deformation forces. Estimates for the characteristic temperature of the front and combustion are presented. The first value is due to fracture in the front and is defined by the condition of stationary propagation of cracks. In this case, there exist two stationary front velocities. This corresponds to different temperature profiles.

Original languageEnglish
Pages (from-to)43-53
Number of pages11
JournalCombustion, Explosion, and Shock Waves
Volume30
Issue number1
DOIs
Publication statusPublished - Jan 1994

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering (miscellaneous)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes
  • Chemical Engineering(all)

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