An Infrared Pyrometry System for Monitoring Gas Turbine Blades: Development of a Computer Model and Experimental Results

[+] Author and Article Information
M. de Lucia, C. Lanfranchi

Dipartimento di Energetica, Università degli Studi di Firenze, Via di Santa Marta, 3, 50139 Firenze, Italy

J. Eng. Gas Turbines Power 116(1), 172-177 (Jan 01, 1994) (6 pages) doi:10.1115/1.2906788 History: Received February 04, 1992; Online April 24, 2008


This work describes the development of a computer modeling system for infrared pyrometry measurement of gas turbine blade temperature. The model accurately evaluates apparent target emissivity and temperature on the basis of the radiation heat fluxes exchanged at steady-state conditions. Experimental testing conducted on gas turbine models in a controlled-temperature furnace has shown that the reliability of the target emissivity prediction effectively reduces one of the major causes of error in infrared pyrometry.

Copyright © 1994 by The American Society of Mechanical Engineers
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