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Tokamak and Spherical Tokamak Research in Japan
Fusion Science and Technology, 2007Japanese tokamak and spherical tokamak (ST) research programs are described. Tokamak research will focus on steady state high β (β N = 3.5-5.5) research on JT-60SA (formerly NCT) in support of ITER and DEMO. JT-60SA will also serve as the Satellite Tokamak under the JA-EU Broader Approach framework. ST research has been reorganized as the All-Japan ST
Y Takase +8 more
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Science, 1996
In the News & Comment article “Korea plans new tokamak machine” by Jeffrey Mervis and Dennis Normile ([22 Dec. 1995, p. 1918][1]), there is no mention of the steady-state superconducting tokamak (SST) 1 being fabricated at the Institute for Plasma Research in Gandhinagar, India.
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In the News & Comment article “Korea plans new tokamak machine” by Jeffrey Mervis and Dennis Normile ([22 Dec. 1995, p. 1918][1]), there is no mention of the steady-state superconducting tokamak (SST) 1 being fabricated at the Institute for Plasma Research in Gandhinagar, India.
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The Topology of Tokamak Orbits*
Nuclear Fusion, 1979Guiding-centre orbits in non-circular axisymmetric tokamak plasmas are studied in the constants of motion (COM) space of (v, ζ, ψm. Here, v is the particle speed, ζ is the pitch angle with respect to the parallel equilibrium current, J||, at the point in the orbit where ψ = ψm, and ψm is the maximum value of the poloidal flux function (increasing from ...
James A. Rome, Y-K.M. Peng
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The role of the spherical tokamak in clarifying tokamak physics
Plasma Physics and Controlled Fusion, 1999The spherical tokamak (ST) provides a unique environment in which to perform complementary and exacting tests of the tokamak physics required for a burning plasma experiment of any aspect ratio, while also having the potential for long-term fusion applications in its own right.
A W Morris +21 more
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Il Nuovo Cimento B, 1981
The main characteristics of the plasma produced in Thor tokamak discharges are described. The machine performances are outlined and the experimental results relevant to the equilibrium, the stability and the control of the discharge regimes are discussed in detail.
L. Argenti +10 more
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The main characteristics of the plasma produced in Thor tokamak discharges are described. The machine performances are outlined and the experimental results relevant to the equilibrium, the stability and the control of the discharge regimes are discussed in detail.
L. Argenti +10 more
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Time-resolved spectroscopy in the Rijnhuizen Tokamak Project tokamak
Fusion Engineering and Design, 1997Abstract At the Rijnhuizen 'rokamak Project tokamak spectrometers are used to diagnose the velocity distribution and abundances of impurity ions. Quantities can be measured as a function of time, and the temporal resolution depends on the line emissivity and can be as good as 0.2 ms for the strongest lines.
Box, F.M. A. +3 more
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Density fluctuations in the TORTUR Tokamak
Plasma Physics and Controlled Fusion, 1992Quantitative measurements of the electron density fluctuation spectra, S(omega, k), are presented as a result of collective scattering measurements with 2 mm waves at various radial positions in the equatorial plane of the TORTUR Tokamak plasma. The spectra are determined in a wide frequency range up to 100 MHz and in a k-range between 400 and 4400 m-1
Remkes, G.J. J. +3 more
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Microislands and transport in tokamaks
Journal of Plasma Physics, 2006Kadomtsev proposed a self-generation mechanism of microislands (whose half-width is smaller than the Larmor radius of the ions) based on momentum and energy exchange between the electrostatic field of the islands and the ions of the background tokamak plasma.
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Equilibrium and stability of tokamaks
International Journal for Numerical Methods in Fluids, 1990AbstractAxisymmetric, ideal MHD configurations with steady flow are computed by the finite‐element method. Rectangular elements with four to nine nodes are used. The equilibria are obtained in flux co‐ordinates by mesh rearrangement. The properties of the linearized motions around an equilibrium state are studied by a normal‐mode analysis.
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Commercial tokamak reactor potential with advanced tokamak operation
Nuclear Fusion, 1995The attractiveness of future commercial tokamak reactors is sensitive to the attainable plasma performance, notably plasma energy confinement and allowable beta. The impact of varying levels of confinement and beta on the size and cost of the resulting tokamak reactor is systematically quantified.
J.D Galambos +3 more
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