Kinetic model of liquid B2O3 gasification in a hydrocarbon combustion environment

I. Heterogeneous surface reactions

R. C. Brown, C. E. Kolb, Herschel Albert Rabitz, S. Y. Cho, R. A. Yetter, F. L. Dryer

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

As part of an ongoing program to model hydrocarbon assisted boron combustion, a kinetic model has been developed to describe gasification of the ubiquitous boron oxide coating that inhibits particulate boron ignition. This model includes homogeneous gas phase oxidation reactions, multi‐component gas phase diffusion, heterogeneous surface reactions, and oxide vaporization. The kinetic processes are treated using a generalized kinetics code, with embeded sensitivity analysis, for the combustion of a one‐dimensional (particle radius), spherical particle. This article presents the heterogeneous surface reactions used to describe oxide gasification and presents selected model results for a spherical boron oxide droplet which illustrate the dependence of the oxide gasification rates on the ambient temperature and particle diameter.

Original languageEnglish (US)
Pages (from-to)957-970
Number of pages14
JournalInternational Journal of Chemical Kinetics
Volume23
Issue number11
DOIs
StatePublished - Jan 1 1991

Fingerprint

hydrocarbon combustion
gasification
Surface reactions
Hydrocarbons
Gasification
Oxides
surface reactions
Boron
boron oxides
Kinetics
kinetics
Liquids
liquids
Gases
oxides
boron
Volatilization
vapor phases
sensitivity analysis
Vaporization

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

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abstract = "As part of an ongoing program to model hydrocarbon assisted boron combustion, a kinetic model has been developed to describe gasification of the ubiquitous boron oxide coating that inhibits particulate boron ignition. This model includes homogeneous gas phase oxidation reactions, multi‐component gas phase diffusion, heterogeneous surface reactions, and oxide vaporization. The kinetic processes are treated using a generalized kinetics code, with embeded sensitivity analysis, for the combustion of a one‐dimensional (particle radius), spherical particle. This article presents the heterogeneous surface reactions used to describe oxide gasification and presents selected model results for a spherical boron oxide droplet which illustrate the dependence of the oxide gasification rates on the ambient temperature and particle diameter.",
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Kinetic model of liquid B2O3 gasification in a hydrocarbon combustion environment : I. Heterogeneous surface reactions. / Brown, R. C.; Kolb, C. E.; Rabitz, Herschel Albert; Cho, S. Y.; Yetter, R. A.; Dryer, F. L.

In: International Journal of Chemical Kinetics, Vol. 23, No. 11, 01.01.1991, p. 957-970.

Research output: Contribution to journalArticle

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AU - Brown, R. C.

AU - Kolb, C. E.

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