On a stabilization mechanism for low-velocity detonations

Citation data:

Journal of Fluid Mechanics, ISSN: 1469-7645, Vol: 816, Issue: 1926, Page: 539-553

Publication Year:
2017
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Repository URL:
http://hdl.handle.net/10754/623877; http://arxiv.org/abs/1701.08265
DOI:
10.1017/jfm.2017.70
Author(s):
Sow, Aliou; Semenko, Roman E.; Kasimov, Aslan R.
Publisher(s):
Cambridge University Press (CUP)
Tags:
Physics and Astronomy; Engineering; compressible flows; detonations; nonlinear instability; Physics - Fluid Dynamics
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article description
We use numerical simulations of the reactive Euler equations to analyse the nonlinear stability of steady-state one-dimensional solutions for gaseous detonations in the presence of both momentum and heat losses. Our results point to a possible stabilization mechanism for the low-velocity detonations in such systems. The mechanism stems from the existence of a one-parameter family of solutions found in Semenko et al. (Shock Waves, vol. 26 (2), 2016, pp. 141-160).