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This article is cited in 13 scientific papers (total in 13 papers)
Detonation combustion of a hydrogen–oxygen mixture in a plane–radial combustor with exhaustion toward the center
F. A. Bykovskii, S. A. Zhdan, E. F. Vedernikov, A. N. Samsonov, A. S. Zintsova Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
Abstract:
Regimes of continuous spin detonation in a plane–radial combustor with an external diameter of 80 mm with peripheral injection of a hydrogen-oxygen mixture in the range of specific flow rates of the mixture 3.6–37.9 kg/(s $\cdot$ m$^2$) are obtained for the first time. Depending on the diameter of the exit orifice in the combustor (40, 30, or 20 mm), specific flow rate of the mixture, its composition, and counterpressure, one to seven transverse detonation waves with a frequency from 6 to 60 kHz are observed. It is found that the number of detonation waves increases, while their intensity decreases owing to reduction of the exit orifice diameter or to an increase in the counterpressure. The flow structure in the region of detonation waves is analyzed. The domain of detonation regimes in the coordinates of the fuel-to-air equivalence ratio and specific flow rate of the mixture is constructed. A physicomathematical model of continuous spin detonation in a plane–radial combustor is formulated. For parameters of hydrogen and oxygen injection into the combustor identical to experimental conditions, the present simulations predict similar parameters of detonation waves, in particular, the number of waves over the combustor circumference and the wave velocity.
Keywords:
continuous spin detonation, plane-radial combustor, transverse detonation waves, flow structure, numerical simulation.
Received: 10.06.2015
Citation:
F. A. Bykovskii, S. A. Zhdan, E. F. Vedernikov, A. N. Samsonov, A. S. Zintsova, “Detonation combustion of a hydrogen–oxygen mixture in a plane–radial combustor with exhaustion toward the center”, Fizika Goreniya i Vzryva, 52:4 (2016), 82–93; Combustion, Explosion and Shock Waves, 52:4 (2016), 446–456
Linking options:
https://www.mathnet.ru/eng/fgv341 https://www.mathnet.ru/eng/fgv/v52/i4/p82
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