Infrared Camera Diagnostic for Heat Flux Measurements on NSTX

Mastrovito, D. ; Maingi, R. ; Kugel, H. W. ; Roquemore, A. L.

Princeton University. Plasma Physics Laboratory.

关键词: Heat Flux;    Cameras;    Indigo;    70 Plasma Physics And Fusion Technology;    Divertors;   

DOI  :  10.2172/813610
RP-ID  :  PPPL-3801
RP-ID  :  AC02-76CH03073
RP-ID  :  813610

美国|英语

来源: UNT Digital Library

【 摘 要 】

An infrared imaging system has been installed on NSTX (National Spherical Torus Experiment) at the Princeton Plasma Physics Laboratory to measure the surface temperatures on the lower divertor and center stack. The imaging system is based on an Indigo Alpha 160 x 128 microbolometer camera with 12 bits/pixel operating in the 7-13 {micro}m range with a 30 Hz frame rate and a dynamic temperature range of 0-700 degrees C. From these data and knowledge of graphite thermal properties, the heat flux is derived with a classic one-dimensional conduction model. Preliminary results of heat flux scaling are reported.