Progress In Stellarator
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Progress in Stellarator
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Total Pages | : |
Release | : 1986 |
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Viewgraphs from this presentation are included. (MOW).
Stellarator and Heliotron Devices
Author | : Masahiro Wakatani |
Publisher | : Oxford University Press, USA |
Total Pages | : 462 |
Release | : 1998 |
Genre | : Language Arts & Disciplines |
ISBN | : 9780195078312 |
This monograph describes plasma physics for magnetic confinement of high temperature plasmas in nonaxisymmetric toroidal magnetic fields or stellarators. The techniques are aimed at controlling nuclear fusion for continuous energy production. While the focus is on the nonaxisymmetric toroidal field, or heliotron, developed at Kyoto University, the physics applies equally to other stellarators and axisymmetric tokamaks. The author covers all aspects of magnetic confinement, formation of magnetic surfaces, magnetohydrodynamic equilibrium and stability, single charged particle confinement, neoclassical transport and plasma heating. He also reviews recent experiments and the prospects for the next generation of devices.
Progress in Modular-stellarator Fusion-power-reactor Conceptual Designs
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Release | : 1982 |
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Recent encouraging experimental results on stellarators/torsatrons/heliotrons (S/T/H) have revived interest in these concepts as possible fusion power reactors. The use of modular coils to generate the stellarator topology has added impetus to this renewed interest. Studies of the modular coil approach to stellarators by UW-Madison and Los Alamos National Laboratory are summarized in this paper.
Energy and water development appropriations for 1982
Author | : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development |
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Total Pages | : 668 |
Release | : 1981 |
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Energy and Water Development Appropriations for Fiscal Year 1982: Nondepartmental witnesses. (3 v.)
Author | : United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water Development |
Publisher | : |
Total Pages | : 672 |
Release | : 1981 |
Genre | : Energy development |
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Energy and Water Development Appropriations for Fiscal Year 1982
Author | : United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water Development |
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Total Pages | : 1230 |
Release | : 1981 |
Genre | : Energy development |
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Progress Toward Attractive Stellarators
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Release | : 2011 |
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The quasi-axisymmetric stellarator (QAS) concept offers a promising path to a more compact stellarator reactor, closer in linear dimensions to tokamak reactors than previous stellarator designs. Concept improvements are needed, however, to make it more maintainable and more compatible with high plant availability. Using the ARIES-CS design as a starting point, compact stellarator designs with improved maintenance characteristics have been developed. While the ARIES-CS features a through-the-port maintenance scheme, we have investigated configuration changes to enable a sector-maintenance approach, as envisioned for example in ARIES AT. Three approaches are reported. The first is to make tradeoffs within the QAS design space, giving greater emphasis to maintainability criteria. The second approach is to improve the optimization tools to more accurately and efficiently target the physics properties of importance. The third is to employ a hybrid coil topology, so that the plasma shaping functions of the main coils are shared more optimally, either with passive conductors made of high-temperature superconductor or with local compensation coils, allowing the main coils to become simpler. Optimization tools are being improved to test these approaches.