Bulletin of the American Physical Society
65th Annual Meeting of the APS Division of Plasma Physics
Monday–Friday, October 30–November 3 2023; Denver, Colorado
Session JP11: Poster Session IV:
BEAMS: Laser- and beam-plasma interactions
Fundamental: Measurements and analysis in fundamental plasma physics; Plasma Sheaths, Sources, and Shocks
MFE: Turbulence and transport in fusion plasmas; High Field Tokamaks
2:00 PM - 5:00 PM
Tuesday, October 31, 2023
Room: Plaza ABC
Abstract: JP11.00037 : Considerations for Uncertainty Within Absolute Temperature and Emissivity Measurements Accessible Though the Application of Two-Color Infrared Pyrometry
Presenter:
Joe Carrock
(Telops)
Authors:
Joe Carrock
(Telops)
Benjamin Saute
(Telops)
Tanja Pelzmann
(Polytechnique Montreal)
Fabien Dupont
(Telops)
Etienne Robert
(Polytechnique Montreal)
Antoine Dumont
(Telops)
Collaboration:
Telops
Polytechnique Montreal
Pyros, a two-band ratio pyrometry algorithm developed by Telops and Polytechnique Montreal has proven effective in conducting such analysis, and uniquely, does so on a pixel-by-pixel basis within sequential frame images, though error considerations remain broad and further development is needed. This work will address key sources of uncertainty within the Pyros algorithm, including differences observed when imaging combusting and non-combusting surfaces, the critical nature of temporal resolution, and spectral bandpass considerations. As a further development, an ongoing measurement campaign will be discussed which aims to utilize multiple multispectral systems simultaneously, with cameras synchronously imaging both the combusting and non-combusting surface of a single sample.
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