ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex

Brockhinke A, Bülter A, Rolon JC, Kohse-Höinghaus K (2001)
APPLIED PHYSICS B 72(4): 491-496.

Journal Article | Published | English

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Abstract
Interactions of vortices and flame fronts may be considered as the basic structural elements of turbulent combustion. Additionally, they play an important role in flame instabilities as well as extinction and ignition processes. An ideal geometry to study these interactions is the counterflow diffusion burner with an additional actuator-driven nozzle for the generation of a vortex ring. This burner has already been well-characterized by other methods including CARS, LDA and PLIF We present first quantitative measurements of minor species concentration in this flame using a short-pulse laser and time- and spatially resolved fluorescence detection with a streak camera. Quench-ft re OH concentrations are obtained by analysis of the time-resolved profiles. The high power density of the laser pulses allowed linewise detection of hydrogen using a three-photon excitation scheme. Simultaneously, shape and position of the vortex was monitored using two-dimensional detection of flame emissions. Spatially resolved concentration profiles of H and OH are presented for different interaction heights and times in the vortex. For steady flames, comparisons with model calculations are shown.
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Brockhinke A, Bülter A, Rolon JC, Kohse-Höinghaus K. ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex. APPLIED PHYSICS B. 2001;72(4):491-496.
Brockhinke, A., Bülter, A., Rolon, J. C., & Kohse-Höinghaus, K. (2001). ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex. APPLIED PHYSICS B, 72(4), 491-496.
Brockhinke, A., Bülter, A., Rolon, J. C., and Kohse-Höinghaus, K. (2001). ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex. APPLIED PHYSICS B 72, 491-496.
Brockhinke, A., et al., 2001. ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex. APPLIED PHYSICS B, 72(4), p 491-496.
A. Brockhinke, et al., “ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex”, APPLIED PHYSICS B, vol. 72, 2001, pp. 491-496.
Brockhinke, A., Bülter, A., Rolon, J.C., Kohse-Höinghaus, K.: ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex. APPLIED PHYSICS B. 72, 491-496 (2001).
Brockhinke, Andreas, Bülter, Andreas, Rolon, J. C., and Kohse-Höinghaus, Katharina. “ps-LIF measurements of minor species concentration in a counterflow diffusion flame interacting with a vortex”. APPLIED PHYSICS B 72.4 (2001): 491-496.
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