Experimentally based correction procedures for planar laser-induced fluorescence measurements of mean species concentration |
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| Authors: | WP Partridge Jr NM Laurendeau |
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| Institution: | (1) Flame Diagnostics Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1288, USA, US;(2) Oak Ridge National Laboratory, P.O. Box 2009, Oak Ridge, TN 37831-8087, USA (Fax: +1-865/574-2102, E-mail: partridgewp@ornl.gov), US;(3) Purdue University, School of Mechanical Engineering, 1288 Mechanical Engineering Bldg., West Lafayette, IN 47907-1288, USA (Fax: +1-765/494-0539, E-mail: laurende@ecn.purdue.edu), US |
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| Abstract: | Experimentally-based correction procedures are demonstrated which enhance the quantitative nature of planar laser-induced
fluorescence (PLIF) images for mean species concentration by correcting for the influence of the electronic quenching rate
coefficient. Implementation of these methods requires only the ability to make PLIF and laser-saturated fluorescence (LSF)
measurements. Though applied herein to NO, these procedures are broadly applicable both in terms of species and users. Moreover,
they are generally effective regardless of the error gradients associated with spatial variations in the electronic quenching
rate coefficient. In such general environments, these methods produce quenching-corrected, spatially resolved PLIF images
of mean species concentration with a total uncertainty equivalent to that of a single LSF measurement.
Received: 22 November 1999 / Revised version: 3 March 2000 / Published online: 16 June 2000 |
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| Keywords: | PACS: 32 50 +d 33 50 Hv 47 70 Fw |
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