A Fiber Optics Probe for Measurements in Emitting-Absorbing Flames

[+] Author and Article Information
F. Sakkal

American University of Beirut, Beirut, Lebanon

J. Heberlein, E. Pfender

Department of Mechanical Engineering, Heat Transfer Division, University of Minnesota, Minneapolis, Minn.

J. Eng. Power 94(2), 159-165 (Apr 01, 1972) (7 pages) doi:10.1115/1.3445656 History: Received August 02, 1971; Online July 14, 2010


In this paper, a fiber optics probe is described which is designed for diagnostics in emitting-absorbing flames. The probe is swept with constant speed through the flame to be investigated, and the spectrally resolved light signal received by the probe is recorded. As a sensitive check for the applicability of such a probe as a diagnostic tool, the curves of growth of the sodium resonance lines are measured, using a laminar temperature-shielded, sodium-seeded propane gas flame. The results demonstrate the usefulness of this probe for applications in flames containing solid particles.

Copyright © 1972 by ASME
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