Novel method for noncontact measurement of particle temperatures

B.M. Wagenaar, B.M. Wagenaar, R. Meijer, J.A.M. Kuipers, Willibrordus Petrus Maria van Swaaij

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

A nonintrusive temperature measurement technique is developed for noncontact measurement of the temperature of single particles with < 200 m dia. It is based on the temperature dependence of the fluorescence spectrum resulting from irradiation of a certain phosphor mixture with UV light by applying a mixture of two phosphors with fluorescence colors (blue and green) and a color shift from green to blue (with temperature increase from 20 to 280°C). An experimental setup is described for temperature measurement of particles based on the fluorescence color, together with the calibration of this system. The fluoroptic technique is applied to measure the temperature decrease of hot particles flowing down a cold chute. The measurements agree very well with thermocouple measurements. This novel technique can be applied to nonintrusive measurement of particle temperatures in (dense) multiparticle systems as encountered in packed and fluidized beds.
Original languageUndefined
Pages (from-to)773-782
Number of pages10
JournalAIChE journal
Volume41
Issue number4
DOIs
Publication statusPublished - 1995

Keywords

  • METIS-106074
  • IR-11260

Cite this

Wagenaar, B. M., Wagenaar, B. M., Meijer, R., Kuipers, J. A. M., & van Swaaij, W. P. M. (1995). Novel method for noncontact measurement of particle temperatures. AIChE journal, 41(4), 773-782. https://doi.org/10.1002/aic.690410404
Wagenaar, B.M. ; Wagenaar, B.M. ; Meijer, R. ; Kuipers, J.A.M. ; van Swaaij, Willibrordus Petrus Maria. / Novel method for noncontact measurement of particle temperatures. In: AIChE journal. 1995 ; Vol. 41, No. 4. pp. 773-782.
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abstract = "A nonintrusive temperature measurement technique is developed for noncontact measurement of the temperature of single particles with < 200 m dia. It is based on the temperature dependence of the fluorescence spectrum resulting from irradiation of a certain phosphor mixture with UV light by applying a mixture of two phosphors with fluorescence colors (blue and green) and a color shift from green to blue (with temperature increase from 20 to 280°C). An experimental setup is described for temperature measurement of particles based on the fluorescence color, together with the calibration of this system. The fluoroptic technique is applied to measure the temperature decrease of hot particles flowing down a cold chute. The measurements agree very well with thermocouple measurements. This novel technique can be applied to nonintrusive measurement of particle temperatures in (dense) multiparticle systems as encountered in packed and fluidized beds.",
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Wagenaar, BM, Wagenaar, BM, Meijer, R, Kuipers, JAM & van Swaaij, WPM 1995, 'Novel method for noncontact measurement of particle temperatures' AIChE journal, vol. 41, no. 4, pp. 773-782. https://doi.org/10.1002/aic.690410404

Novel method for noncontact measurement of particle temperatures. / Wagenaar, B.M.; Wagenaar, B.M.; Meijer, R.; Kuipers, J.A.M.; van Swaaij, Willibrordus Petrus Maria.

In: AIChE journal, Vol. 41, No. 4, 1995, p. 773-782.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Novel method for noncontact measurement of particle temperatures

AU - Wagenaar, B.M.

AU - Wagenaar, B.M.

AU - Meijer, R.

AU - Kuipers, J.A.M.

AU - van Swaaij, Willibrordus Petrus Maria

PY - 1995

Y1 - 1995

N2 - A nonintrusive temperature measurement technique is developed for noncontact measurement of the temperature of single particles with < 200 m dia. It is based on the temperature dependence of the fluorescence spectrum resulting from irradiation of a certain phosphor mixture with UV light by applying a mixture of two phosphors with fluorescence colors (blue and green) and a color shift from green to blue (with temperature increase from 20 to 280°C). An experimental setup is described for temperature measurement of particles based on the fluorescence color, together with the calibration of this system. The fluoroptic technique is applied to measure the temperature decrease of hot particles flowing down a cold chute. The measurements agree very well with thermocouple measurements. This novel technique can be applied to nonintrusive measurement of particle temperatures in (dense) multiparticle systems as encountered in packed and fluidized beds.

AB - A nonintrusive temperature measurement technique is developed for noncontact measurement of the temperature of single particles with < 200 m dia. It is based on the temperature dependence of the fluorescence spectrum resulting from irradiation of a certain phosphor mixture with UV light by applying a mixture of two phosphors with fluorescence colors (blue and green) and a color shift from green to blue (with temperature increase from 20 to 280°C). An experimental setup is described for temperature measurement of particles based on the fluorescence color, together with the calibration of this system. The fluoroptic technique is applied to measure the temperature decrease of hot particles flowing down a cold chute. The measurements agree very well with thermocouple measurements. This novel technique can be applied to nonintrusive measurement of particle temperatures in (dense) multiparticle systems as encountered in packed and fluidized beds.

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