US perfects lithium vapor cave, breaks nuclear fusion reactor heat barrier

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US perfects lithium vapor cave, breaks nuclear fusion reactor heat barrier
EnvironmentNuclear FusionPrinceton Plasma Physics Laboratory
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Scientists at PPPL have developed innovative solutions to manage the intense heat generated within fusion reactors.

Multiple computer simulations have now determined that the ideal location for the lithium vapor cave is near the bottom of the tokamak, by the center stack.Scientists at the US Department of Energy’s Princeton Plasma Physics Laboratory have been working on ways to manage the intense heat that gets generated within fusion reactors.

“The idea behind a lithium vapor cave is to keep the lithium in the boundary layer away from the hot, fusing core plasma but near the excess heat,” By capturing and neutralizing excess heat before it reaches the tokamak’s walls, the lithium vapor cave acts as a crucial safeguard.Initially envisioned as a “metal box,” the researchers discovered that a simpler “cave” configuration, akin to half a box, is sufficient to contain the lithium vapor.

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