Quasi-Hydrostatic Model of the Combustion of Compositions Forming Molten Reaction Products in the Presence of Centrifugal Forces

Quasi-Hydrostatic Model of the Combustion of Compositions Forming Molten Reaction Products in the... A mathematical model of the exothermic chemical transformation of a high-calorie mixture in the presence of centrifugal forces is considered. The process is studied for the 3NiO + (2 + α)Al → Al2O3 + (3 − α)Ni + αNiAl thermite composition, as an example. Such processes are used in high-temperature synthesis for the production of target products in the combustion wave propagating through the initial mixture. This technological process represents a combination of high-temperature combustion with the formation of liquid products, their separation, and subsequent cooling. A distinctive feature of the proposed model is the use of a “through” description, which makes it possible to examine the mutual influence of the individual stages on the dynamics of the process. This feature provides a more realistic description of the actual process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Physical Chemistry B Springer Journals

Quasi-Hydrostatic Model of the Combustion of Compositions Forming Molten Reaction Products in the Presence of Centrifugal Forces

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Publisher
Pleiades Publishing
Copyright
Copyright © 2018 by Pleiades Publishing, Ltd.
Subject
Chemistry; Physical Chemistry
ISSN
1990-7931
eISSN
1990-7923
D.O.I.
10.1134/S1990793118020112
Publisher site
See Article on Publisher Site

Abstract

A mathematical model of the exothermic chemical transformation of a high-calorie mixture in the presence of centrifugal forces is considered. The process is studied for the 3NiO + (2 + α)Al → Al2O3 + (3 − α)Ni + αNiAl thermite composition, as an example. Such processes are used in high-temperature synthesis for the production of target products in the combustion wave propagating through the initial mixture. This technological process represents a combination of high-temperature combustion with the formation of liquid products, their separation, and subsequent cooling. A distinctive feature of the proposed model is the use of a “through” description, which makes it possible to examine the mutual influence of the individual stages on the dynamics of the process. This feature provides a more realistic description of the actual process.

Journal

Russian Journal of Physical Chemistry BSpringer Journals

Published: May 29, 2018

References

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