OH radical detection in an optical engine

Ali Serpenguzel; Robert T. Hahn; William P. Acker

doi:10.1117/12.145686

24 May 1993 OH radical detection in an optical engine

Ali Serpenguzel, Robert T. Hahn, William P. Acker

Proceedings Volume 1862, Laser Applications in Combustion and Combustion Diagnostics; (1993) https://doi.org/10.1117/12.145686
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Two-dimensional laser induced fluorescence of OH radicals is used to image flames in an optically accessible internal combustion engine. The two-dimensional plane is defined by forming the input XeCl excimer laser into a vertical sheet at the center of the combustion chamber. Nonconsecutive chemiluminescence and laser induced fluorescence images were observed at different delay times after the spark. The chemiluminescence images correlated well with the laser induced fluorescence images. A highly wrinkled turbulent flame in a tumble flow field as well as large cyclic variations in flame growth were observed in laser induced fluorescence images.

Citation Download Citation

Ali Serpenguzel, Robert T. Hahn, and William P. Acker "OH radical detection in an optical engine", Proc. SPIE 1862, Laser Applications in Combustion and Combustion Diagnostics, (24 May 1993); https://doi.org/10.1117/12.145686

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