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Title: Modular low aspect ratio-high beta torsatron

Abstract

A fusion reactor device in which the toroidal magnetic field and at least a portion of the poloidal magnetic field are provided by a single set of modular coils. The coils are arranged on the surface of a low aspect ratio toroid in planes having the cylindrical coordinate relationship .phi.=.phi..sub.i +kz where k is a constant equal to each coil's pitch and .phi..sub.i is the toroidal angle at which the i'th coil intersects the z=o plane. The device may be described as a modular, high beta torsation whose screw symmetry is pointed along the systems major (z) axis. The toroid defined by the modular coils preferably has a racetrack minor cross section. When vertical field coils and preferably a toroidal plasma current are provided for magnetic field surface closure within the toroid, a vacuum magnetic field of racetrack shaped minor cross section with improved stability and beta valves is obtained.

Inventors:
 [1];  [2]
  1. Hopewell, NJ
  2. Princeton, NJ
Issue Date:
Research Org.:
Princeton Univ., NJ (United States)
OSTI Identifier:
864872
Patent Number(s):
4430600
Application Number:
06/364,276
Assignee:
United States of America as represented by United States (Washington, DC)
DOE Contract Number:  
AC02-76CH03073
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
modular; aspect; ratio-high; beta; torsatron; fusion; reactor; device; toroidal; magnetic; field; portion; poloidal; provided; single; set; coils; arranged; surface; ratio; toroid; planes; cylindrical; coordinate; relationship; phi; kz; constant; equal; coil; pitch; angle; intersects; z; plane; described; torsation; screw; symmetry; systems; major; axis; defined; preferably; racetrack; minor; section; vertical; plasma; current; closure; vacuum; shaped; improved; stability; valves; obtained; toroidal magnet; plasma current; toroidal magnetic; field coils; aspect ratio; toroidal plasma; magnetic field; fusion reactor; field coil; improved stability; poloidal magnetic; single set; /315/376/

Citation Formats

Sheffield, George V, and Furth, Harold P. Modular low aspect ratio-high beta torsatron. United States: N. p., 1984. Web.
Sheffield, George V, & Furth, Harold P. Modular low aspect ratio-high beta torsatron. United States.
Sheffield, George V, and Furth, Harold P. Tue . "Modular low aspect ratio-high beta torsatron". United States. https://www.osti.gov/servlets/purl/864872.
@article{osti_864872,
title = {Modular low aspect ratio-high beta torsatron},
author = {Sheffield, George V and Furth, Harold P},
abstractNote = {A fusion reactor device in which the toroidal magnetic field and at least a portion of the poloidal magnetic field are provided by a single set of modular coils. The coils are arranged on the surface of a low aspect ratio toroid in planes having the cylindrical coordinate relationship .phi.=.phi..sub.i +kz where k is a constant equal to each coil's pitch and .phi..sub.i is the toroidal angle at which the i'th coil intersects the z=o plane. The device may be described as a modular, high beta torsation whose screw symmetry is pointed along the systems major (z) axis. The toroid defined by the modular coils preferably has a racetrack minor cross section. When vertical field coils and preferably a toroidal plasma current are provided for magnetic field surface closure within the toroid, a vacuum magnetic field of racetrack shaped minor cross section with improved stability and beta valves is obtained.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1984},
month = {2}
}

Patent:

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