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[en] A revised scheme of the HINT computation for calculating stellarator equilibria with a net toroidal current is presented. To check the validity of the scheme, it is applied to LHD equilibria with a net current. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; 
; 1998; p. 488-490; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 488-490; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] The particle confinement characteristics of high Ti mode and L-mode on Compact Helical System (CHS) are studied. Comparison between measured electron density profiles and those from the transport model is done by a fitting analysis of transport model. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 247-250; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 247-250; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] This publication is the collection of the paper presented at the title conferences on helical system research. The 131 of the presented papers are indexed individually. (J.P.N.)
Source
1998; 540 p; Japan Society of Plasma Science and Nuclear Fusion Research; Nagoya (Japan); ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ISBN 4-9900586-3-3;
[en] The method to construct the generalized magnetic coordinate system is presented, which describe the magnetic field with and without magnetic surfaces. The method is applied to a simple analytic field. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 491-494; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 491-494; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] Pitch angle of the local magnetic field line is measured from the polarization angle of the σ and π components of Hα emitted from the neutral beam. The pitch angle estimated from the π component agrees with the pitch angle estimated from the external coil current (vacuum magnetic field). (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 374-377; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 374-377; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] This work is devoted to the study of magnetic islands and resonances of drift surfaces which can take place in the magnetic field of a Helias configuration and which affect the particle confinement properties. It is shown that due to external magnetic field perturbation the large size islands, the overlapping of resonances and stochasticity are possible in the magnetic configuration with the β(0) = 0.03. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 480-483; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 480-483; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] The dependence of the natural elongation, triangularity and shaping factor for spherical tokamak plasma on the aspect ratio for different internal inductance and poloidal beta is investigated numerically. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 522-525; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 522-525; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] Theoretical model for the collapse events in toroidal helical plasmas with magnetic hill is presented. There exists a turbulent-turbulent transition at a critical pressure gradient, leading to a sudden increase of the anomalous transport. When the magnetic shear is low, the nonlinear excitation of the global mode is possible. This model explains an abrupt growth of the perturbations, i.e., the trigger phenomena. Achievable limit of the plasma beta value is discussed. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 88-91; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 88-91; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] The problem is analyzed whether it is possible or not to determine the plasma pressure profile (or current distribution) from external magnetic measurements in conventional stellarators. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 460-463; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 460-463; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
[en] Recent advances in tokamak physics can be used in the quest to optimize the stellarator concept. In particular the experimental confirmation of strong bootstrap currents suggests the possibility of taking advantage of non-zero current in steady-state stellarators. In addition the observation of neoclassical islands suggests important issues for design optimization, in order to operate in a regime in which neoclassical effects heal stellarator islands. (author)
Source
Ueda, Y. (Osaka Univ., Suita (Japan)); Iguchi, H.; Matsuoka, K.; Sudo, S. (eds.); 540 p; ISBN 4-9900586-3-3; ; 1998; p. 17-18; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
; 1998; p. 17-18; ISC-11: 11. international stellarator conference; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997; ITC-8: 8. international Toki conference on plasma physics and controlled nuclear fusion; Toki, Gifu (Japan); 29 Sep - 3 Oct 1997
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