Tokamak plasma diagnostics

TFR Equipe - Nuclear Fusion, 1978‏ - iopscience.iop.org
Tokamak plasma diagnostics is reviewed. Subjects are classified according to the physical
quantities to be measured. Instrumental techniques and theoretical considerations are …

Multiple pinch method and apparatus for producing average magnetic well in plasma confinement

T Ohkawa - US Patent 4,543,231, 1985‏ - Google Patents
57 ABSTRACT A multipole plasma pinch method and apparatus pro duces hot magnetically
confined z-pinch plasma with a plurality of Z-pinch current channels arranged so as to …

Method and apparatus for producing average magnetic well in a reversed field pinch

T Ohkawa - US Patent 4,560,528, 1985‏ - Google Patents
57 ABSTRACT A magnetic well reversed field plasma pinch method and apparatus
produces hot magnetically confined pinch plasma in a toroidal chamber having a major …

Equilibrium and axisymmetric stability of dee-shaped plasmas in Doublet III

H Yokomizo, M Nagami, M Shimada, M Maeno… - Nuclear …, 1982‏ - iopscience.iop.org
Stable plasmas with surface elongations of up to 1.8 (aspect ratio≅ 3.4) have been
produced in the upper lobe of Doublet III with the use of both passive and active controls …

Shape control of doublets

RL Miller - Nuclear Fusion, 1980‏ - iopscience.iop.org
Abstract A 1-1/2-D tokamak transport code is used to model the evolution of doublet
geometry on the transport time scale. The doublet shape is determined by the plasma …

Merging tokamaks

N Ohyabu, CL Hsieh, TH Jensen - Journal of Plasma Physics, 1979‏ - cambridge.org
The concept of merging tokamak plasmas is proposed. It has potential applications for
solving the problems of pseudo steady-state tokamak operation, refuelling, impurity removal …

Analytic computation of minimum beta at ignition for various transport scaling laws

RW Harvey, JM Rawls - Nuclear Fusion, 1979‏ - iopscience.iop.org
A tokamak reactor must have an ignition point which is compatible with the constraints
imposed by MHD stability. One important consideration in this regard is the achievable value …

A double-layer field-sha** coil system

N Ohyabu - Nuclear Fusion, 1978‏ - iopscience.iop.org
A new field-sha** coil concept is proposed which allows satisfactory plasma sha** and
control and is compatible with some stringent reactor design requirements. The proposed …

Circuit related instability of a plasma discharge

TH Jensen, CP Moeller, RL Freeman - Physics of Fluids, 1979‏ - ui.adsabs.harvard.edu
Electrical circuits involving gas discharges may be unstable because the resistance of the
gas discharge tends to decrease with increasing current. A semiquantitative treatment of …

Reconnection of magnetic field‐lines in an elongated toroidal plasma

H Ikezi, KF Schwarzenegger - The Physics of Fluids, 1980‏ - pubs.aip.org
A poloidal quadrupole field is applied to a tokamak discharge in order to study the magnetic
field‐line reconnection. Elongation of the poloidal cross‐section of the plasma is observed …