The stellarator has permanent magnets, a first for a fusion experiment.
A team of physicists and engineers at Princeton University built a twisting fusion reactor known as a stellarator that uses permanent magnets, showcasing a potentially cost-effective way of building the powerful machines. Their experiment, called
is different. “Using permanent magnets is a completely new way to design stellarators,” said Tony Qian, a physicist at Princeton University and lead author of two papers published in the Journal of Plasma Physics and Nuclear Fusion that describe the design of the experiment stuck such magnets onto a 3-D printed shell. “I realized that even if they were situated alongside other magnets, rare-earth permanent magnets could generate and maintain the magnetic fields necessary to confine the plasma so fusion reactions can occur,” Michael Zarnstorff, a research scientist at the university’s Plasma Physics Laboratory and principal investigator of the
Michael Zarnstorff Magnetic Confinement Fusion Fusion Power Tokamaks Sustainable Energy Technology Internet KSTAR Tony Qian Nuclear Fusion Lawrence Livermore National Laboratory Fusion Energy Gain Factor Stellarator Gizmodo
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