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Apparatus and method for temperature mapping a turbine component in a high temperature combustion environment

United States Patent

June 10, 2014
View the Complete Patent at the US Patent & Trademark Office
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Method and system for calibrating a thermal radiance map of a turbine component in a combustion environment. At least one spot (18) of material is disposed on a surface of the component. An infrared (IR) imager (14) is arranged so that the spot is within a field of view of the imager to acquire imaging data of the spot. A processor (30) is configured to process the imaging data to generate a sequence of images as a temperature of the combustion environment is increased. A monitor (42, 44) may be coupled to the processor to monitor the sequence of images of to determine an occurrence of a physical change of the spot as the temperature is increased. A calibration module (46) may be configured to assign a first temperature value to the surface of the turbine component when the occurrence of the physical change of the spot is determined.
Baleine; Erwan (Orlando, FL), Sheldon; Danny M. (Chuluota, FL)
Siemens Energy, Inc. (Orlando, FL)
13/ 023,774
February 9, 2011
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT Development for this invention was supported in part by Contract No. DE-FC26-05NT42644, awarded by the United States Department of Energy. Accordingly, the United States government may have certain rights in this invention.