In Saint-Paul-lez-Durance (Bouches-du-Rhône), one of the biggest research sites, ITER is moving forward to hope to carry out nuclear fusion experiments in five years. 1,400 kilometers away, on a much smaller equivalent, the JET installed in England, a group of researchers has just removed a thorn from the foot of the future giant, which could have penalized its operation. This team brings together members of ITER, the European research consortium Eurofusion and the American company General Atomics. She described her remedy on April 30 in Physical Review Letters ( PRL ) . “We checked that we could have a kind of airbag to protect the machine”, summarizes Cédric Reux, from the CEA’s Institute for Research on Magnetic Confinement Fusion, in Cadarache. The accident in question is not dangerous and would not cause the machine to explode. It is nevertheless a question of correcting a defect which accelerates the deterioration of the walls of the heart of the apparatus. If it has been known for a long time, it was until then not considered problematic on smaller experiments. But ITER’s core will be about ten times the size of its predecessors and will contain thirty times more energy.
Le Monde 19th May 2021 read more »