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Laser Induced Fluorescence for Temperature Measurement in Reacting Flows

Published online by Cambridge University Press:  15 February 2011

R. G. Joklik
R. G. Joklik*
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
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Abstract

OH vibrational Thermally Assisted Fluorescence (THAF) temperature measurements have been demonstrated in both premixed and diffusion flames. The accuracy of the measurements is generally better than 100 K over a wide range of flame conditions for which the collisional quenching rate varies considerably. Application of this technique for temperature measurement in Chemical Vapor Deposition (CVD) flows, for which the quenching rate is relatively constant, should exhibit greater accuracy. THAF measurements in these flows are limited by signal to noise considerations, and should be possible down to pressures of 103-104 Pa or less.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 250: Symposium R – Chemical Vapor Deposition of Refractory Metals and Ceramics II , 1991 , 119
Copyright
Copyright © Materials Research Society 1992

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