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Criteria for quantitative PLIF experiments using high-power lasers

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Abstract

In order to interpret concentration measurements using planar laser-induced fluorescence (PLIF), it is necessary to understand the systematic and statistical errors that accompany those measurements. High-power lasers provide both increased signal-to-noise ratios (desirable) and intensity-induced deviations from linearity (undesirable). This paper reviews and argues for modification of current criteria for use of fluorophores for quantitative PLIF imaging, and makes use of a modified new protocol to qualify the fluorophore Rhodamine-WT for use in quantitative PLIF imaging. The key element is the decision to operate the imaging experiment under optically thin conditions.

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Acknowledgements

It is a pleasure to acknowledge the excellent experimental support provided by Mr. Ken Paulson and Mr. Brian Taylor, both chemical engineering co-op students, as well as assistance from Mr. Robert Spradling and Mr. Billy Smith, all from the Fluid Mechanics and Mixing Group at The Dow Chemical Company, Freeport, Texas and by Dr. JingPing Peng at The University of Texas at Dallas. Financial support from The Dow Chemical Company and from the Texas Higher Education Coordinating Board Advanced Technology Program is gratefully acknowledged.

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Authors and Affiliations

  1. Department of Chemistry, University of Texas at Dallas, Richardson, TX 75083–0688, USA

    L. A. Melton

  2. Fluid Mechanics and Mixing Group, Corporate Research and Development, The Dow Chemical Company, Freeport, TX 77541, USA

    C. W. Lipp

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  1. L. A. Melton
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  2. C. W. Lipp
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Correspondence to L. A. Melton.

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Melton, L.A., Lipp, C.W. Criteria for quantitative PLIF experiments using high-power lasers. Exp Fluids 35, 310–316 (2003). https://doi.org/10.1007/s00348-003-0632-y

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  • DOI: https://doi.org/10.1007/s00348-003-0632-y

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