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Aug 23, 2019**

### New Technique Streamlines Design of Intricate Fusion Devices

##### Posted by Quinn Sena in categories: habitats, mathematics, nuclear energy, space

O.o.

Stellarators, twisty machines that house fusion reactions, rely on complex magnetic coils that are challenging to design and build. Now, a physicist at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory ( PPPL ) has developed a mathematical technique to help simplify the design of the coils, making stellarators a potentially more cost-effective facility for producing fusion energy.

“Our main result is that we came up with a new method of identifying the irregular magnetic fields produced by stellarator coils,” said physicist Caoxiang Zhu, lead author of a paper reporting the results in *Nuclear Fusion*. “This technique can let you know in advance which coil shapes and placements could harm the plasma ’s magnetic confinement, promising a shorter construction time and reduced costs.”

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