Date: 25 Nov 2012
Concerning the problem of dynamic damping of the vibration combustion self-oscillations in a liquid-propellant rocket engine
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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.
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 85, No. 6, pp. 1242–1247, November–December, 2012
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- Concerning the problem of dynamic damping of the vibration combustion self-oscillations in a liquid-propellant rocket engine
Journal of Engineering Physics and Thermophysics
Volume 85, Issue 6 , pp 1346-1351
- Cover Date
- Print ISSN
- Online ISSN
- Springer US
- Additional Links
- vibration combustion self-oscillations
- Helmholtz resonator
- damping of self-oscillation
- wave resistance
- antipulse partitions
- Industry Sectors
- Author Affiliations
- 1. Institute of Technical Thermal Physics, National Academy of Sciences of Ukraine, 2a Zhelyabov Str., Kiev, 03057, Ukraine
- 2. bInstitute of Business Undertakings “Strategy”, 38 Gagarin Str., Zheltye Vody, 52201, Ukraine