Accumulation of Thermal Energy during the Passage of a Combustion Wave through a Barrier Formed in a Gas-Free System

• Published in: Russian journal of physical chemistry. B Vol. 15; no. 1; pp. 68 - 73
• Main Authors: Kostin, S. V., Krishenik, P. M., Rogachev, S. A.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 2021; Springer Nature B.V
• Subjects: Barriers; Chemistry; Chemistry and Materials Science; Combustion; Explosion; Heat loss; Multilayers; Nonadiabatic conditions; Physical Chemistry; Process parameters; Shock Waves; Thermal energy; Two dimensional models; combustion stability; gasless system; transient; ignition; heat accumulation
• ISSN: 1990-7931; 1990-7923
• DOI: 10.1134/S1990793121010073

Using a two-dimensional mathematical model, the dynamics of the transition of a combustion wave between layers of a multilayer system through an inert barrier, taking into account the influence of the geometric characteristics of the barrier’s elements and heat loss, are analyzed. The characteristic parameters of the process, which determine the transition and establishment of a stationary wave mode of combustion behind the obstacle, are revealed. The optimal geometric characteristics of the wedge-shaped obstacle, which ensure the stability of the transition of the combustion wave under nonadiabatic conditions, are found.