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References (5)
-
S. Rusin (2020)
Using gray aproximation to estimate the true material temperature by spectral distribution of inverse radiance temperaturesThermophysics and Aeromechanics, 27
-
O. Castro-Orgaz, W. Hager (2019)
and sShallow Water Hydraulics
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(2021)
Determination of the True Temperature of Opaque Materials by the Thermal Radiation Spectrum -
(1999)
Fundamentals of Pyrometry Methods Based on Thermal Radiation -
R. Larrabee (1959)
Spectral Emissivity of TungstenJournal of the Optical Society of America, 49
- Publisher
- Springer Journals
- Copyright
- Copyright © S.P. Rusin 2021
- ISSN
- 0869-8643
- eISSN
- 1531-8699
- DOI
- 10.1134/s0869864321020098
- Publisher site
- See Article on Publisher Site
Abstract
The instrumental accuracy of determining the model temperatures by the data of radiance temperature measurements at two and three experimental points is analyzed using model examples, when neither thermodynamic temperature nor emissivity of the sighting site is known. The instrumental accuracy of determining the desired temperature is estimated depending on the choice of a spectral window in the thermal radiation spectrum. It is shown that moving the spectral window to the long-wavelength region of the radiation spectrum can deteriorate the instrumental accuracy of measuring the desired temperature by several times.
Journal
Thermophysics and Aeromechanics – Springer Journals
Published: Jul 18, 2021
Keywords: instrumental accuracy; temperature; multiwave thermometry