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A Functional Approach of the Experimental Device Transfer Function for Temperature Measurements in the UV-Visible Wavelengths With Multispectral Method

[+] Author Affiliations
T. Pierre

LIMATB - Équipe ETEE, Lorient, France

B. Rémy, A. Degiovanni

LEMTA, Nancy-Université, CNRS, Vandoeuvre-lès-Nancy, France

Paper No. IHTC14-22672, pp. 25-30; 6 pages
doi:10.1115/IHTC14-22672
From:
  • 2010 14th International Heat Transfer Conference
  • 2010 14th International Heat Transfer Conference, Volume 4
  • Washington, DC, USA, August 8–13, 2010
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4939-2 | eISBN: 978-0-7918-3879-2
  • Copyright © 2010 by ASME

abstract

The paper presented here concerns the temperature measurement in the ultraviolet-visible wavelengths. Emphasis is placed on the technique used to determine the temperature, the multi-spectral method. Using this spectral bandwidth is two-fold: on one hand according to the Planck’s law, the measurement sensitivity is very important, and on the other hand, as this interval is narrow, it is possible to make the assumption of constant emissivity. Previous works have shown that most of the error measurements come from the difficulty to know the transfer function of the experimental device. Thus it is proposed here to get rid of the difficulty to know every parameter involved in the transmission function that can be modelled by a quadratic function. Results are compared with experimental measurements and error calculi are also presented.

Copyright © 2010 by ASME

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