Inverse radiation problem with infrared images to monitor plasma-facing components temperature in metallic fusion devices

Charly Talatizi,Marie-Hélène Aumeunier,Fabrice Rigollet,Mickael Le Bohec,Jonathan Gérardin,Jonathan Gaspar,Christophe Le Niliot,Albrecht Herrmann

Fusion Engineering and Design（2020）

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摘要

•Infared thermography is a key diagnostic for wall temperature of fusion devices.•Quantitative thermography challenging in poorly emissive (highly reflective) cavity.•Innovative inverse methodology to solve interreflections and ambient reflections.•Radiosity model used for fast photonic infrared simulations of diffuse surfaces.•Emissivities and temperatures are identified separately with dedicated experiments.

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关键词

Infrared thermography,Emissivity,Reflections,Ray tracing Monte carlo,Radiosity method,Inverse problem

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