Share Email Print
cover

Proceedings Paper

Influence of temperature gradients on the measurement accuracy of IR imaging systems
Author(s): Ehud Gartenberg; A. Sidney Roberts
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Implementing a new experimental aerodynamic technique, a long electrically heated wire was placed across flows with general velocity distributions (wakes, jets). By measuring the temperature distribution along the wire with an JR camera, the flow behavior was identified. Furthermore, it is suggested that by using Nusselt number correlations, the velocity distributions can be deduced. Comparing the results with predictions based on heat transfer correlations, it was found that the IR camera cannot accurately track high gradient temperature fields. A correction procedure is outlined to account for the errors found in the measured results.

Paper Details

Date Published: 1 March 1990
PDF: 7 pages
Proc. SPIE 1313, Thermosense XII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (1 March 1990); doi: 10.1117/12.21941
Show Author Affiliations
Ehud Gartenberg, Old Dominion Univ. (United States)
A. Sidney Roberts, Old Dominion Univ. (United States)


Published in SPIE Proceedings Vol. 1313:
Thermosense XII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications
Sharon A. Semanovich, Editor(s)

© SPIE. Terms of Use
Back to Top