Vol. 20 No. 2 (2023): Journal of Non Destructive Testing and Evaluation (JNDE), June 2023
Research Papers

Emissivity Related Correction Approaches for Temperature Monitoring Using Infrared Thermography

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  • Priyanka Jena

Published 11-06-2023

Keywords

  • Emissivity,
  • Temperature monitoring,
  • Infrared thermography,
  • Correction approaches

How to Cite

Jena, P. . (2023). Emissivity Related Correction Approaches for Temperature Monitoring Using Infrared Thermography. Journal of Non-Destructive Testing and Evaluation (JNDE), 20(2), 44–49. Retrieved from https://jnde.isnt.in/index.php/JNDE/article/view/52

Copyright (c) 2023 Journal of Non-Destructive Testing and Evaluation (JNDE)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Abstract

Accurate estimation of the spatio-temporal temperature evolution of material aids in understanding the thermal characteristics of materials and indentifying anomalies (if any). Infrared thermography is a popularly used technique for temperature measurement, which is non-contact in nature. The efficiency of this technique for estimating temperature depends directly on the emissivity, which is a material surface property. The lack of information on emissivity or variability in emissivity is likely to affect the temperature estimation. This paper discusses the importance of emissivity in temperature estimation followed by the illustration of various factors that may affect temperature estimation using infrared thermography. In addition to that, various temperature correction approaches related to unknown and variable emissivity has also been discussed.

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