A scanning radiation thermometry technique for determining temperature distributions in gas turbines is presented. The system, an enhancement of an earlier work, can be used by operators even without special training, since the temperature distribution is measured and corrected in terms of the error due to the reflected radiation only on the basis of the turbine’s known geometry and the physical properties of the materials. In the proposed model, the surface-exitent radiances are directly acquired via 360-deg scans. Experimental testing was performed on a static turbine-blading model. Since the angle factors emerged as a notable influence on the accuracy of the model, two angle factor calculation methods, selected for suitability from a literature survey, are exhaustively investigated and their selection criteria, defined.
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ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition
June 13–16, 1994
The Hague, Netherlands
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-7887-3
PROCEEDINGS PAPER
A Scanning Radiation Thermometry Technique for Determining Temperature Distribution in Gas Turbines
Maurizio De Lucia,
Maurizio De Lucia
Università di Firenze, Florence, Italy
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Giovanni Masotti
Giovanni Masotti
Università di Firenze, Florence, Italy
Search for other works by this author on:
Maurizio De Lucia
Università di Firenze, Florence, Italy
Giovanni Masotti
Università di Firenze, Florence, Italy
Paper No:
94-GT-039, V005T15A006; 6 pages
Published Online:
February 18, 2015
Citation
De Lucia, M, & Masotti, G. "A Scanning Radiation Thermometry Technique for Determining Temperature Distribution in Gas Turbines." Proceedings of the ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General. The Hague, Netherlands. June 13–16, 1994. V005T15A006. ASME. https://doi.org/10.1115/94-GT-039
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