A fusion device ensconced in highly durable tungsten sustained a more energetic, denser plasma than previously recorded.
A tokamak in New Jersey set a new record in fusion plasma by encasing its reaction in tungsten, a heat-resistant metal that allows physicists to sustain hot plasmas for longer, and at higher energies and densities than carbon tokamaks. A tokamak is a torus- shaped fusion device that confines plasma using magnetic fields, allowing scientists to fiddle with the superheated material and induce fusion reactions.
tokamak, replacing the device’s carbon diverter. Tungsten has a higher melting point than carbon, and according to Korea’s National Research Council of Science and Technology, the new diverter improves the reactor’s heat flux limit two-fold. ’s new diverter enabled the institute’s team to sustain high-ion temperatures exceeding 100 million degrees Celsius for longer. “The tungsten-wall environment is far more challenging than using carbon,” said Luis Delgado-Aparicio, lead scientist for PPPL’s physics research and X-ray detector project, and the laboratory’s head of advanced projects, in the same release. “This is, simply, the difference between trying to grab your kitten at home versus trying to pet the wildest lion.
Environment ITER Magnetic Confinement Fusion Tokamaks Sustainable Energy WEST Lawrence Livermore National Laboratory Technology Internet Luis Delgado-Aparicio Princeton Plasma Physics Laboratory Nuclear Fusion Xavier Litaudon Fusion Power Gizmodo
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