Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence

Bittner J, Kohse-Höinghaus K, Meier U, Kelm S, Just T (1988)
Combustion and Flame 71(1): 41-50.

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Abstract
A calibration technique is demonstrated which allows the determination of absolute atom concentrations in flames: two-photon laser-excited fluorescence signals from known atom concentrations generated in a discharge flow reactor are related to the fluorescence signals in a flame under identical excitation and detection conditions. With this method, absolute H atom profiles in several low-pressure hydrogen-oxygen flames have been obtained. For the same flame conditions, local temperature and absolute OH concentration profiles have been determined using laser-induced fluorescence (LIF). The experimental results are compared to the predictions of a one-dimensional flame model. The application of the new calibration technique to the atom detection in hydrocarbon flames is discussed.
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Bittner J, Kohse-Höinghaus K, Meier U, Kelm S, Just T. Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence. Combustion and Flame. 1988;71(1):41-50.
Bittner, J., Kohse-Höinghaus, K., Meier, U., Kelm, S., & Just, T. (1988). Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence. Combustion and Flame, 71(1), 41-50.
Bittner, J., Kohse-Höinghaus, K., Meier, U., Kelm, S., and Just, T. (1988). Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence. Combustion and Flame 71, 41-50.
Bittner, J., et al., 1988. Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence. Combustion and Flame, 71(1), p 41-50.
J. Bittner, et al., “Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence”, Combustion and Flame, vol. 71, 1988, pp. 41-50.
Bittner, J., Kohse-Höinghaus, K., Meier, U., Kelm, S., Just, T.: Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence. Combustion and Flame. 71, 41-50 (1988).
Bittner, Jürgen, Kohse-Höinghaus, Katharina, Meier, Ulrich, Kelm, S., and Just, Th. “Determination of absolute H atom concentrations in low-pressure flames by two-photon laser-excited fluorescence”. Combustion and Flame 71.1 (1988): 41-50.
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