Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2010-02-04
2011-11-22
Gaworecki, Mark R (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
C250S339090
Reexamination Certificate
active
08063372
ABSTRACT:
Apparatus and method for temperature mapping a rotating component (12) in a high temperature combustion environment. The apparatus includes a thermal imager (14) having a field of view to sense infrared (IR) emissions. Emissivity of a surface of the component is subject to variation in the combustion environment. A radiance emitter (18) defines a spot within the field of view of the thermal imager. The spot indicates a respective emissivity value. A processor (30) is connected to the thermal imager to generate a radiance map of the component based on the IR emissions from the component. The processor includes a thermal calibration module configured to calibrate the radiance map based on the emissivity value of the spot within the field of view of the thermal imager to generate a calibrated thermal map of the component that displays absolute temperature over the surface of the component.
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Jonnalagadda Vinay
Lemieux Dennis H.
Zombo Paul J.
Gaworecki Mark R
Siemens Energy Inc.
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