The vacuum vessel is the component where the plasma is confined and the fusion reaction takes place. It is a donut-shaped toroidal chamber, and it must be able to withstand both high temperatures and pressures. It is designed to be radiation-resistant, as fusion reactions generate a significant amount of radiation.
The vacuum vessel of the HL-3 TOKAMAK is a crucial component. This device has an impressive limit vacuum degree of 10-6 Pa. It's a highly intricate system, housing over 40,000 installed parts, all designed to meet ultra-high vacuum and ultra-cleanliness requirements.
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