Improvement and validation of the fluoroptic temperature-measurement method

Arthur M.C. Janse, Xander A. de Jong, Wolter Prins* (Corresponding Author), Wim P.M. van Swaaij

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


The fluoroptic measurement method, recently developed by Wagenaar and coworkers to determine in a contactless manner the temperature of moving particles, has been improved. It now has a higher accuracy (approximately 5%) and can be used for particles that move at higher speeds. In addition, the technique has become much less labor-intensive. Validation has been realized by comparing experimentally determined heat-transfer coefficients for a cylinder in crossflow with predictions of several well-known correlations from the literature. A consistent deviation of less than 10% is observed. This comparison therefore shows the reliability of the fluoroptic measurement method.
Original languageEnglish
Pages (from-to)2087-2096
Number of pages10
JournalAIChE journal
Issue number10
Publication statusPublished - 1999

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