Results 81 to 90 of about 504,429 (107)

Search for quasi-isodynamic configurations with diminished parallel current density

, 2007
Bovshuk, V., Cooper, W., Mikhailov, M., Nührenberg, J., Shafranov, V.   +4 more
openaire   +1 more source

Comparison of the Properties of Quasi-Isodynamic Configurations for Different Numbers of Periods

, 2004
Mikhailov, M., Cooper, W., Heyn, M., Isaev, M., Kalyuzhnyj, V., Kasilov, S., Kernbichler, W., Nemov, V., Nührenberg, C., Nührenberg, J., Samitov, M., Shafranov, V., Skovoroda, A., Subbotin, A., Yamazaki, K., Zille, R.   +15 more
openaire   +1 more source

Development of quasi-isodynamic stellarators [PDF]

Plasma Physics and Controlled Fusion, 2010
Theoretical stellarator research from MHD-stable stellarators via quasi-helically symmetric ones to Wendelstein 7-X, quasi-axisymmetric tokamaks and quasi-isodynamic stellarators is sketched. Research strategy, computational aspects and various favorable properties are emphasized.
Goodman, A.G., Camacho Mata, K., Henneberg, S.A., Jorge, R., Landreman, M., Plunk, G.G., Smith, H.M., Mackenbach, R.J.J., Beidler, C.D., Helander, P.   +9 more
exaly   +21 more sources

Pressure insensitivity of a high-β quasi-isodynamic stellarator [PDF]

Plasma Physics Reports, 2009
The sensitivity of a high-β quasi-isodynamic stellarator equilibrium with respect to changes of the plasma pressure is investigated. It is shown that a plasma boundary near to the high-β boundary exists with the property that the magnetohydrodynamic and drift-kinetic properties of the associated low-β plasma are similar.
M I Mikhailov, V D Shafranov, J Nührenberg   +2 more
exaly   +4 more sources

Resilience of Quasi-Isodynamic Stellarators against Trapped-Particle Instabilities [PDF]

Physical Review Letters, 2012
It is shown that in perfectly quasi-isodynamic stellarators, trapped particles with a bounce frequency much higher than the frequency of the instability are stabilizing in the electrostatic and collisionless limit. The collisionless trapped-particle instability is therefore stable as well as the ordinary electron-density-gradient-driven trapped ...
J H E Pröll, P Helander, J W Connor
exaly   +6 more sources

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Quasi-isodynamic Configuration With N = 12 and High β

AIP Conference Proceedings, 2006
Results of an optimization toward quasi‐isodynamicity for a stellarator with a comparatively large number of periods, N = 12, are presented. The following set of physics properties to be achieved was used: 1) good long‐time collisionless confinement of α‐particles; 2) small neoclassical transport in the 1/ν regime; 3) small bootstrap current; 4) high ...
Mikhailov, M., Isaev, M., Subbotin, A., Shafranov, V., Nührenberg, C., Nührenberg, J., Zille, R., Cooper, W.   +7 more
openaire   +2 more sources

Reply to the comment on ‘Bootstrap current and neoclassical transport in quasi-isodynamic stellarators’ [PDF]

Plasma Physics and Controlled Fusion, 2011
P Helander, J Nührenberg
exaly   +4 more sources

Stellaris: A high-field quasi-isodynamic stellarator for a prototypical fusion power plant

Fusion Engineering and Design
Magnetic confinement fusion research has so far prioritized the tokamak concept, which presents greater design simplicity at the cost of control complexity in comparison to stellarators.
H Laqua, Jorrit Lion, A Bañón Navarro   +2 more
exaly   +2 more sources

Comment on ‘Bootstrap current and neoclassical transport in quasi-isodynamic stellarators’

Plasma Physics and Controlled Fusion, 2011
A A Skovoroda
exaly   +2 more sources

Search for Very-High-β MHD Stable Quasi-Isodynamic Configurations

Plasma and Fusion Research, 2008
Quasi-isodynamic configurations offer the possibility of very good energetic particle confinement. They seem to offer the possibility of achieving very high plasma β, too.
Bovshuk, V., Cooper, A., Mikhailov, M., Nührenberg, J., Shafranov, V.   +4 more
exaly   +4 more sources