Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Magnetic confinement of plasma
Patent
1979-11-14
1982-08-10
Behrend, Harvey E.
Induced nuclear reactions: processes, systems, and elements
Nuclear fusion
Magnetic confinement of plasma
G21B 100
Patent
active
043437605
ABSTRACT:
In a plasma containment device of a type having superconducting field coils for magnetically shaping the plasma into approximately the form of a torus, an improved divertor target for removing impurities from a "scrape off" region of the plasma comprises an array of water cooled swirl tubes onto which the scrape off flux is impinged. Impurities reflected from the divertor target are removed from the target region by a conventional vacuum getter system. The swirl tubes are oriented and spaced apart within the divertor region relative to the incident angle of the scrape off flux to cause only one side of each tube to be exposed to the flux to increase the burnout rating of the target. The divertor target plane is oriented relative to the plane of the path of the scrape off flux such that the maximum heat flux onto a swirl tube is less than the tube design flux. The containment device is used to contain the plasma of a tokamak fusion reactor and is applicable to other long pulse plasma containment systems.
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Behrend Harvey E.
Belkin Leonard
Cornish Cornell D.
Denny James E.
The United States of America as represented by the United States
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