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Method and apparatus to produce and maintain a thick, flowing, liquid lithium first wall for toroidal magnetic confinement DT fusion reactors

Patent ·
OSTI ID:874547
 [1]
  1. Hillsborough, NJ
+ Show Author Affiliations
A system for forming a thick flowing liquid metal, in this case lithium, layer on the inside wall of a toroid containing the plasma of a deuterium-tritium fusion reactor. The presence of the liquid metal layer or first wall serves to prevent neutron damage to the walls of the toroid. A poloidal current in the liquid metal layer is oriented so that it flows in the same direction as the current in a series of external magnets used to confine the plasma. This current alignment results in the liquid metal being forced against the wall of the toroid. After the liquid metal exits the toroid it is pumped to a heat extraction and power conversion device prior to being reentering the toroid.
Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ
DOE Contract Number:
AC02-76CH03073
Assignee:
The United States of America as represented by the United States Department (Washington, DC)
Patent Number(s):
US 6411666
OSTI ID:
874547
Country of Publication:
United States
Language:
English

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