Thermoacoustically driven flame motion and heat release variation in a swirl-stabilized gas turbine burner investigated by LIF and chemiluminescence
Laser-induced fluorescence and chemiluminescence, both phase-locked to the dominant acoustic oscillation, are used to investigate phenomena related to thermoacoustic instability in a swirl-stabilized industrial scale gas turbine burner. The observed sinusoidal phase-averaged flame motion in axial (m...
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| Veröffentlicht in: | Experiments in fluids 2008-07, Vol.45 (1), p.167-182 |
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| container_title | Experiments in fluids |
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| creator | Hubschmid, W. Bombach, R. Inauen, A. Güthe, F. Schenker, S. Tylli, N. Kreutner, W. |
| description | Laser-induced fluorescence and chemiluminescence, both phase-locked to the dominant acoustic oscillation, are used to investigate phenomena related to thermoacoustic instability in a swirl-stabilized industrial scale gas turbine burner. The observed sinusoidal phase-averaged flame motion in axial (main flow) direction is analyzed using different schemes for defining the flame position. Qualitative agreement between experimental data and theoretical analysis of the observed flame motion is obtained, interpreted as originating primarily from variation of the burning velocity. The heat release variation during an acoustic cycle is determined from the sinusoidally varying total OH* chemiluminescence intensity. |
| doi_str_mv | 10.1007/s00348-008-0497-1 |
| format | Article |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Acoustics Applied sciences Chemiluminescence Combustion Energy Energy. Thermal use of fuels Engineering Engineering Fluid Dynamics Engineering Thermodynamics Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fluid dynamics Fluid flow Fluid- and Aerodynamics Furnaces. Firing chambers. Burners Gas turbines Heat and Mass Transfer Letter Liquid fuel burners and combustion chambers Oscillations Thermoacoustics |
| title | Thermoacoustically driven flame motion and heat release variation in a swirl-stabilized gas turbine burner investigated by LIF and chemiluminescence |
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