Hydrodynamic bidimensional stability of detonation wave solutions for reactive mixtures

The structure of a planar detonation wave is analyzed for an Eulerian mixture of ideal gases undergoing the symmetric reversible explosive reaction . The chemical rate law is derived from the reactive Boltzmann equation, showing a detailed chemical kinetics in terms of a second-order reaction rate....

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Bibliographic Details
Published in:Journal of statistical mechanics 2019-08, Vol.2019 (8), p.1-21
Main Authors: Carvalho, F, Kremer, G M, Marques, W, Pandolfi Bianchi, M, Soares, A J
Format: Article
Language:English
Subjects:
Chemical kinetics
Ciências Naturais
Combustion
Detonation waves
Educação de qualidade
Eulerian reactive mixtures
Hydrodynamic stability
Kinetic theory of gases and liquids
Matemáticas
Numerical simulations
Science & Technology
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Summary:The structure of a planar detonation wave is analyzed for an Eulerian mixture of ideal gases undergoing the symmetric reversible explosive reaction . The chemical rate law is derived from the reactive Boltzmann equation, showing a detailed chemical kinetics in terms of a second-order reaction rate. The hydrodynamic bidimensional stability of the detonation wave is also investigated using a normal mode approach, when small time-space transverse disturbances affect the shock wave location. A suitable numerical technique is here proposed in order to solve the stability problem and numerical results are provided illustrating the detonation wave structure and its instability spectrum.
ISSN:1742-5468
1742-5468
DOI:10.1088/1742-5468/ab3341