Application of 2-D LIF temperature measurements in water using a Nd:YAG laser

M.C.J. Coolen, R.N. Kieft, C.C.M. Rindt, A.A. Steenhoven, van

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Abstract

The application of Laser Induced Fluorescence (LIF) for temperature measurements in water using a Nd:YAG laser is investigated. A natural convection problem is used to test the applicability of LIF in the temperature range of 20–60°C. The measured temperature field is compared with numerical results and the influences of shadowgraph effects on the measured temperature field are investigated. An accuracy of 1.7°C is attained if shadowgraph effects can be neglected. This only holds if correction for photobleaching and variation of laser power output is applied.
Original languageEnglish
Pages (from-to)420-426
JournalExperiments in Fluids
Volume27
Issue number5
DOIs
Publication statusPublished - 1999

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