DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Beam limiter for thermonuclear fusion devices

Abstract

A beam limiter circumscribes the interior surface of a vacuum vessel to inhibit collisions of contained plasma and the vessel walls. The cross section of the material making up the limiter has a flatsided or slightly concave portion of increased width towards the plasma and portions of decreased width towards the interior surface of the vessel. This configuration is designed to prevent a major fraction of the material sputtered, vaporized and blistered from the limiter from reaching the plasma. It also allows adequate heat transfer from the wider to the narrower portions. The preferred materials for the beam limiter are solids of sintered, particulate materials of low atomic number with low vapor pressure and low sputtering and blistering yields.

Inventors:
 [1]
  1. Hinsdale, IL
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
OSTI Identifier:
862641
Patent Number(s):
3980916
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G21 - NUCLEAR PHYSICS G21B - FUSION REACTORS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
beam; limiter; thermonuclear; fusion; devices; circumscribes; interior; surface; vacuum; vessel; inhibit; collisions; contained; plasma; walls; section; material; flatsided; slightly; concave; portion; increased; width; towards; portions; decreased; configuration; designed; prevent; major; fraction; sputtered; vaporized; blistered; reaching; allows; adequate; heat; transfer; wider; narrower; preferred; materials; solids; sintered; particulate; atomic; vapor; pressure; sputtering; blistering; yields; nuclear fusion; major fraction; fusion devices; vessel wall; vacuum vessel; particulate material; heat transfer; interior surface; vapor pressure; particulate materials; vessel walls; beam limiter; preferred materials; thermonuclear fusion; contained plasma; /313/376/

Citation Formats

Kaminsky, Manfred S. Beam limiter for thermonuclear fusion devices. United States: N. p., 1976. Web.
Kaminsky, Manfred S. Beam limiter for thermonuclear fusion devices. United States.
Kaminsky, Manfred S. Thu . "Beam limiter for thermonuclear fusion devices". United States. https://www.osti.gov/servlets/purl/862641.
@article{osti_862641,
title = {Beam limiter for thermonuclear fusion devices},
author = {Kaminsky, Manfred S},
abstractNote = {A beam limiter circumscribes the interior surface of a vacuum vessel to inhibit collisions of contained plasma and the vessel walls. The cross section of the material making up the limiter has a flatsided or slightly concave portion of increased width towards the plasma and portions of decreased width towards the interior surface of the vessel. This configuration is designed to prevent a major fraction of the material sputtered, vaporized and blistered from the limiter from reaching the plasma. It also allows adequate heat transfer from the wider to the narrower portions. The preferred materials for the beam limiter are solids of sintered, particulate materials of low atomic number with low vapor pressure and low sputtering and blistering yields.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {1}
}