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Journal Articles

Edge safety factor at the onset of plasma disruption during VDEs in JT-60U

Sugihara, Masayoshi; Lukash, V.*; Khayrutdinov, R.*; Neyatani, Yuzuru

Plasma Physics and Controlled Fusion, 46(10), p.1581 - 1589, 2004/10

 Times Cited Count:11 Percentile:36.1(Physics, Fluids & Plasmas)

Detailed examinations of the value of the edge safety factor q at the onset of thermal quench during intentional VDE experiments in JT-60U are performed using two different reconstruction methods, FBI/FBEQU and DINA. Results by both methods are very similar and show that the thermal quench occurs when the q value is in the range between 1.5-2. This result suggests that the predictive simulations for VDEs should be performed within this range of q to examine the subsequent differences in the halo currents, plasma movement and other plasma behavior during the current quench.

Journal Articles

Disruption studies in JT-60U

Kawano, Yasunori; Yoshino, Ryuji; Neyatani, Yuzuru; Nakamura, Yukiharu; Tokuda, Shinji; Tamai, Hiroshi

Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.298 - 314, 2002/09

 Times Cited Count:10 Percentile:56.23(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Axisymmetric disruption dynamics including current profile changes in the ASDEX-Upgrade tokamak

Nakamura, Yukiharu; Pautasso, G.*; Gruber, O.*; Jardin, S. C.*

Plasma Physics and Controlled Fusion, 44(8), p.1471 - 1481, 2002/08

 Times Cited Count:11 Percentile:36.94(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Neutral point validation studies on JT-60U, alcator C-Mod and ASDEX-upgrade tokamaks

Nakamura, Yukiharu; Yoshino, Ryuji; Granetz, R. S.*; Pautasso, G.*; Gruber, O.*; Jardin, S. C.*

Purazuma, Kaku Yugo Gakkai-Shi, 78(4), p.347 - 355, 2002/04

no abstracts in English

Journal Articles

Present status of VDEs (Vertical Displacement Events) avoidance studies in Tokamak disruptions

Nakamura, Yukiharu

Purazuma, Kaku Yugo Gakkai-Shi, 77(9), p.843 - 856, 2001/09

no abstracts in English

Journal Articles

Characterization of disruption phenomenology in ITER

Yoshino, Ryuji; D.J.Campbell*; E.Fredrickson*; Fujisawa, Noboru; N.Granetz*; Gruber, O.*; T.C.Hender*; D.A.Humphreys*; N.Ivanov*; S.Jardin*; et al.

Fusion Energy 2000 (CD-ROM), 4 Pages, 2001/05

no abstracts in English

Journal Articles

Burn control in tokamak fusion reactors; Disruption and fast plasma shutdown

Yoshino, Ryuji

Purazuma, Kaku Yugo Gakkai-Shi, 75(12), p.1337 - 1374, 1999/12

no abstracts in English

Journal Articles

$$beta$$$$_{p}$$-collape-induced VDE and its underlying mechanism in the TVC tokamak

Nakamura, Yukiharu; J.B.Lister*; F.Hofmann*; Y.R.Martin*; J.-M.Moret*; P.Vyas*

Europhysics Conference Abstracts (CD-ROM), 23J, p.417 - 420, 1999/00

no abstracts in English

Journal Articles

Characteristics of halo currents in JT-60U

Neyatani, Yuzuru; Yoshino, Ryuji; Nakamura, Yukiharu; Sakurai, Shinji

Nuclear Fusion, 39(4), p.559 - 567, 1999/00

 Times Cited Count:35 Percentile:71.9(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

ITER physics basis, 3; MHD stability, disruptional limits and disruptions

ITER Physics Expert Group on Disruptions, Plasma Control, and MHD

Nuclear Fusion, 39(12), p.2251 - 2389, 1999/00

no abstracts in English

Journal Articles

Characteristics of halo current in JT-60U

Neyatani, Yuzuru; Nakamura, Yukiharu; Yoshino, Ryuji; Hatae, Takaki; JT-60 Team

Fusion Energy 1998, p.859 - 862, 1998/10

no abstracts in English

Journal Articles

VDE/disruption EM analysis for ITER in-vessel components

*; Ioki, Kimihiro*; F.Elio*; Kodama, T.*; S.Chiocchio*; D.Williamson*; M.Roccella*; P.Barabaschi*; R.S.Sayer*

Fusion Technology 1998, 2, p.1389 - 1392, 1998/00

no abstracts in English

JAEA Reports

Computer program system for evaluation of FP nuclear data for JENDL (Smooth Part)

Nakagawa, Tsuneo; Watanabe, Takashi*; *

JAERI-Data/Code 97-050, 103 Pages, 1997/12

JAERI-Data-Code-97-050.pdf:2.73MB

no abstracts in English

Journal Articles

Plasma equilibrium control during slow plasma current quench with avoidance of plasma-wall interaction in JT-60U

Yoshino, Ryuji; Nakamura, Yukiharu; Neyatani, Yuzuru

Nuclear Fusion, 37(8), p.1161 - 1166, 1997/00

 Times Cited Count:8 Percentile:31.68(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Electromagnetic analysis in the tokamak fusion reactor and large helical device

Koizumi, Koichi; Yamazaki, Kozo*

Purazuma, Kaku Yugo Gakkai-Shi, 72(12), p.1352 - 1361, 1996/12

no abstracts in English

Journal Articles

VDE characteristics during disruption process and its underlying acceleration mechanism in the ITER-EDA tokamak

Nakamura, Yukiharu; Nishio, Satoshi; Yoshino, Ryuji; C.E.Kessel*; S.C.Jardin*

Purazuma, Kaku Yugo Gakkai-Shi, 72(12), p.1387 - 1396, 1996/12

no abstracts in English

Journal Articles

Sensor algorithms of the plasma vertical position to avoid a vertical displacement event during plasma-current quench on JT-60U

Yoshino, Ryuji; Koga, J. K.*;

Fusion Technology, 30(2), p.237 - 250, 1996/11

no abstracts in English

Journal Articles

$$beta$$$$_{p}$$-collapse-induced vertical displacement event in high $$beta$$$$_{p}$$ tokamak disruption

Nakamura, Yukiharu; Yoshino, Ryuji; N.Pomphrey*; S.C.Jardin*

Plasma Physics and Controlled Fusion, 38(10), p.1791 - 1804, 1996/10

 Times Cited Count:17 Percentile:52.55(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

ITER divertor design

Shimada, Michiya

Purazuma, Kaku Yugo Gakkai-Shi, 72(9), p.858 - 865, 1996/09

no abstracts in English

Journal Articles

Acceleration mechanism of vertical displacement event and its amelioration in tokamak disruptions

Nakamura, Yukiharu; Yoshino, Ryuji; N.Pomphrey*; S.C.Jardin*

Journal of Nuclear Science and Technology, 33(8), p.609 - 619, 1996/08

 Times Cited Count:6 Percentile:50.93(Nuclear Science & Technology)

no abstracts in English

27 (Records 1-20 displayed on this page)