Email this article Mechanisms of compression wave generation and amplification in freely propagating flames
- Authors: Kiverin A.D.1, Yakovenko I.S.1
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Affiliations:
- Joint Institute for High Temperatures of the Russian Academy of Sciences
- Issue: Vol 14, No 1 (2021)
- Pages: 22-28
- Section: Articles
- URL: https://journals.rcsi.science/2305-9117/article/view/286492
- DOI: https://doi.org/10.30826/CE21140103
- ID: 286492
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Abstract
The paper is devoted to the numerical and theoretical analysis of the mechanisms of generation and amplification of shock waves in the process of unconfined flame propagation. Two basic mechanisms of shock wave generation corresponding to the linear and nonlinear stages of hydrodynamic instability development are distinguished. The role of thermoacoustic instability in shock wave amplification and the establishment of the conditions for deflagration-to-detonation transition is demonstrated on the example of a highly chemically active mixture.
About the authors
Alexey D. Kiverin
Joint Institute for High Temperatures of the Russian Academy of Sciences
Author for correspondence.
Email: alexeykiverin@gmail.com
Candidate of Science in Physics and Mathematics, Head of the Laboratory
Russian Federation, 13-2, Izhorskaya St., Moscow, 125412Ivan S. Yakovenko
Joint Institute for High Temperatures of the Russian Academy of Sciences
Email: yakovenko.ivan@bk.ru
кандидат физико-математических наук, старший научный сотрудник
Russian Federation, 13-2, Izhorskaya St., Moscow, 125412References
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