Scientists at the Princeton Plasma Physics Laboratory have used the Summit supercomputer to simulate a method for controlling runaway electrons in fusion reactors. The simulations showed that Alfvén waves can scatter these electrons, preventing them from forming a damaging beam. This breakthrough could pave the way for the successful operation of ITER, the world's largest nuclear fusion reactor.
Scientists at the Princeton Plasma Physics Laboratory have used the Summit supercomputer at the Department of Energy’s Oak Ridge National Laboratory to simulate a potential solution to the problem of runaway electrons in fusion reactors.
The latest simulations could be a massive step in this regard. It could pave the way for the successful operation of ITER, the world’s largest nuclear fusion reactor under construction in France.Runaway electrons are negatively charged particles that can be generated during fusion reactions. These electrons can be accelerated to high energies and can significantly damage the reactor walls and potentially derail the entire fusion process.
The latest findings could lead to the development of new methods to control runaway electrons in fusion reactors. The waves disperse the electrons, reducing their energy and preventing them from causing harm. “These simulations would have taken at least 30 times longer on a regular CPU-based machine,” Liu added.
FUSION ENERGY RUNAWAY ELECTRONS ALFVÉN WAVES ITER SUPERCOMPUTERS
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