Science
New findings could help scientists tame damaging heat bursts in fusion reactors – Science Daily
Physicists have discovered a new trigger for edge localized modes (ELMs) — instabilities that can halt fusion reactions and damage the tokamaks that house such reactions.
Picture strong wind blowing against a tree until it’s knocked down. Such action would mimic the process that causes damaging heat bursts called edge localized modes (ELMs) to flare up in fusion facilities called tokamaks, which scientists use to develop on Earth the fusion energy that powers the sun and stars. Such heat bursts normally occur when the pressure at the edge of the hot plasma gas that fuels fusion reactions reaches a peak, causing heat to erupt against the walls of the tokamak, much…
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