This contribution highlights recent advances in laser diagnostics at high repetition rates. Based on recent improvements in all-solid-state, diode-pumped laser and CMOS camera technology, well known methods such as Mie scattering, particle image velocimetry and planar laser-induced fluorescence are adapted and extended to high repetition rates in the kHz-regime and applied simultaneously to a turbulent opposed jet burner. High temporal resolution enables one to track transient events such as flame extinction and ignition in turbulent combustion. New perspectives into turbulent combustion are thus possible by quasi-4D imaging or multi-dimensional conditioning on transient phenomena.
- International Gas Turbine Institute
Planar Laser Diagnostics at High Repetition Rates: Acquisition and Analysis of Transient Combustion Processes
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Heeger, C, Bo¨hm, B, Boxx, I, Meier, W, Ahmed, SF, Mastorakos, E, & Dreizler, A. "Planar Laser Diagnostics at High Repetition Rates: Acquisition and Analysis of Transient Combustion Processes." Proceedings of the ASME Turbo Expo 2008: Power for Land, Sea, and Air. Volume 3: Combustion, Fuels and Emissions, Parts A and B. Berlin, Germany. June 9–13, 2008. pp. 47-56. ASME. https://doi.org/10.1115/GT2008-50152
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