The application of a reduced reaction kinetics model in hydrocode calculations

B. Jiang*, D. M. Ingram, D. M. Causon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Blast waves generated by a flammable gas exploding are a severe threat to human life, buildings and structures. In addition to the damage caused as a result of pressure loading, the rapid rise in temperature associated with the reaction mechanisms brings about fire. These issues make the prediction of possible hazards resulting from the detonation of flammable gasses extremely important. Hydrocode calculations can provide useful information for both design and post incident analysis, but, this requires the solution of both the gas dynamics and the reaction kinetics. Detailed models of the reaction kinetics are not only highly complex but their inherent "stiffness" makes them very expensive to solve. The authors have devised a global simulation method by which detailed reaction mechanisms may be reduced in size without loss of suitability and accuracy. Reduced mechanisms for several light hydrocarbons have been obtained.

Original languageEnglish
Pages (from-to)229-230
Number of pages2
JournalZeitschrift für Angewandte Mathematik und Mechanik
Volume76
Issue numberSUPPL. 5
Publication statusPublished - 1 Dec 1996

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