Concerning the problem of dynamic damping of the vibration combustion self-oscillations in a liquid-propellant rocket engine
First Online: 25 November 2012 Received: 23 May 2011 DOI:
Cite this article as: Basok, B.I., Gotsulenko, V.V. & Gotsulenko, V.N. J Eng Phys Thermophy (2012) 85: 1346. doi:10.1007/s10891-012-0781-z
The reason for the decrease in the amplitude of longitudinal vibration combustion self-oscillations in the combustion chamber of a liquid-propellant rocket engine by means of antipulse partitions has been justified. A mathematical model of the development of combustion instability in such a chamber on attachment of a Helmholtz resonator to it has been obtained. The character of the damping of vibration combustion self-oscillations excited by the action of the Crocco mechanisms and negative thermal resistance, when varying the acoustic parameters of the resonator and of the pressure head characteristics of combustion chamber is established.
Keywords vibration combustion self-oscillations Helmholtz resonator damping of self-oscillation wave resistance antipulse partitions
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 85, No. 6, pp. 1242–1247, November–December, 2012
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