Rayleigh and predissociative fluorescence imaging of densities from an internal combustion engine using a tunable KrF laser

Erhard W. Rothe; Hongjie An; Lynne M. Hitchcock; Youngwei Gu; Gene P. Reck

doi:10.1117/12.171302

18 March 1994 Rayleigh and predissociative fluorescence imaging of densities from an internal combustion engine using a tunable KrF laser

Erhard W. Rothe, Hongjie An, Lynne M. Hitchcock, Youngwei Gu, Gene P. Reck

Author Affiliations +

Proceedings Volume 2122, Laser Applications in Combustion and Combustion Diagnostics II; (1994) https://doi.org/10.1117/12.171302
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

We apply light scattering to the production of species-, space-, and time-resolved images from a Sandia transparent engine, which operates with propane and air. By appropriate tuning of our KrF laser, and by treating the scattered light with an appropriate filter, we can image (a) the total density (and thus the temperature), via Rayleigh scattering, and (b) densities of OH, and of hot O₂ (i.e., vibrational states 6 and 7) via laser-induced fluorescence.

Citation Download Citation

Erhard W. Rothe, Hongjie An, Lynne M. Hitchcock, Youngwei Gu, and Gene P. Reck "Rayleigh and predissociative fluorescence imaging of densities from an internal combustion engine using a tunable KrF laser", Proc. SPIE 2122, Laser Applications in Combustion and Combustion Diagnostics II, (18 March 1994); https://doi.org/10.1117/12.171302

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