2D temperature measurements in the wake of a heated cylinder using LIF |
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Authors: | H. J. Seuntiëns R. N. Kieft C. C. M. Rindt A. A. van Steenhoven |
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Affiliation: | (1) Energy Technology Division Department of Mechanical Engineering Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven, The Netherlands e-mail: C.C.M.Rindt@tue.nl, NL |
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Abstract: | A technique is described to measure the instantaneous 2D temperature distribution in the wake of a heated cylinder using `laser-induced fluorescence'. Rhodamine B, a fluorescent dye, is used as a temperature indicator. The relation between fluorescence intensity and temperature is determined by means of calibration experiments in the temperature range of 20–35 °C with an accuracy of ±0.1 °C. The temperature distribution behind the heated cylinder is well visible and can be measured with a high spatial resolution. Corrections for variation in laser energy and intensity distribution in the laser sheet have to be made to further improve the accuracy of the measuring method. Received: 3 January 2001/Accepted: 18 May 2001 |
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