A protection system for the JET ITER-like wall based on imaging diagnostics
The new JET ITER-like wall (made of beryllium and tungsten) is more fragile than the former
carbon fiber composite wall and requires active protection to prevent excessive heat loads
on the plasma facing components (PFC). Analog CCD cameras operating in the near
infrared wavelength are used to measure surface temperature of the PFCs. Region of
interest (ROI) analysis is performed in real time and the maximum temperature measured in
each ROI is sent to the vessel thermal map. The protection of the ITER-like wall system …
carbon fiber composite wall and requires active protection to prevent excessive heat loads
on the plasma facing components (PFC). Analog CCD cameras operating in the near
infrared wavelength are used to measure surface temperature of the PFCs. Region of
interest (ROI) analysis is performed in real time and the maximum temperature measured in
each ROI is sent to the vessel thermal map. The protection of the ITER-like wall system …
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