A tungsten-lined tokamak reactor operated by the French Alternative Energies and Atomic Energy Commission has set a new fusion record by sustaining the plasma for six minutes and injecting 1.15 gigajoules of energy into it.Nuclear fusion is literally the hottest energy source, hoping to break into the market.
While comparing the two materials, Luis Delgado-Aparicio, the lead scientist of physics research at PPPL, said, “This is, simply, the difference between trying to grab your kitten at home versus trying to pet the wildest lion.”Conventional tools can fail when working with such a challenging material. Switzerland-based DECTRIS makes an X-ray-based diagnostic tool that measures plasma radiation. This tool can help researchers determine properties such as core plasma temperature.
The PPPL researchers used this newly configured diagnostic tool to confirm the reaction conditions in WEST. “During the six-minute shot, we were able to measure quite nicely the central electron temperature. It was in a very steady state of around 4 kilovolts. It was a pretty remarkable result,” said Tullio Barbui, a PPPL researcher involved in this work.
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