Research Output

1997

High heat load properties of TiC dispersed Mo alloys

Tokunaga, K., Miura, Y., Yoshida, N., Muroga, T., Kurishita, H., Kitsunai, Y. & Kayano, H., Feb 2 1997, In : Journal of Nuclear Materials. 241-243, p. 1197-1202 6 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)

Impurity accumulation in a Nb3Sn superconducting magnet system on the high-field tokamak TRIAM-1M

Jotaki, E., Itoh, S. & Nakamura, K., May 1997, In : Fusion Engineering and Design. 36, 2-3, p. 289-297 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Nonlinear simulation of electromagnetic current diffusive interchange mode turbulence

Yagi, M., Itoh, S. I., Itoh, K. & Fukuyama, A., Jan 1 1997, In : Plasma Physics and Controlled Fusion. 39, 12, p. 1887-1914 28 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

On the chaotic nature of turbulence observed in benchmark analysis of nonlinear plasma simulation

Yagi, M. & Itoh, S. L., Jan 1 1997, In : Chaos. 7, 1, p. 198-203 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Particle transport study with an electron beam in the Tohoku University heliac

Nakamura, E., Kitajima, S., Takayama, M., Inagaki, S., Yoshida, T. & Watanabe, H., Jan 1 1997, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 36, 2, p. 889-895 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Plasma potential fluctuations and large quasi-coherent modes observed by a heavy ion beam probe on the JIPP T-IIU tokamak

Hamada, Y., Nishizawa, A., Kawasumi, Y., Fujisawa, A. & Iguchi, H., Mar 1997, In : Fusion Engineering and Design. 34-35, p. 663-666 4 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Positron annihilation lifetime study of irradiated and deformed Ni

Ueno, K., Ohmura, M., Kimura, M., Kamimura, Y., Takenaka, M., Tsutsumi, T., Ohsawa, K., Abe, H. & Kuramoto, E., Dec 1 1997, In : Materials Science Forum. 255-257, p. 430-432 3 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Self-sustained plasma turbulence due to current diffusion

Yagi, M., Itoh, S. I., Itoh, K. & Fukuyama, A., Dec 1 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 2, p. S189-S195

Research output: Contribution to journalArticle

1 Citation (Scopus)

Spectrum of Subcritical Turbulence in an Inhomogeneous Plasma

Itoh, S. I. & Itoh, K., Jan 1 1997, In : journal of the physical society of japan. 66, 6, p. 1571-1574 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

The effect of He-ash poisoning on L-mode and high βp-mode operations in ITER-like plasma

Tateishi, G., Itoh, S. I. & Yagi, M., Dec 1 1997, In : Plasma Physics and Controlled Fusion. 39, 11, p. 1871-1885 15 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Transition of fluctuation characteristics observed by a heavy ion beam probe in the JIPP T-IIU tokamak

Hamada, Y., Nishizawa, A., Kawasumi, Y., Fujisawa, A. & Iguchi, H., Mar 1997, In : Fusion Engineering and Design. 34-35, p. 657-661 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Turbulent transport and structural transition in confined plasmas

Itoh, K., Itoh, S. I., Fukuyama, A. & Yagi, M., Jan 1 1997, In : Plasma Physics and Controlled Fusion. 39, 5A, p. A311-A322

Research output: Contribution to journalArticle

1 Citation (Scopus)
1998

Developments and high heat flux tests of divertor components for LHD

Kubota, Y., Noda, N., Sagara, A., Sakamoto, R., Motojima, O., Fujita, I., Hino, T., Yamashina, T., Tokunaga, K. & Yoshida, N., Sep 1 1998, In : Fusion Engineering and Design. 39-40, p. 247-252 6 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Discovery of electric pulsation in a toroidal helical plasma

Fujisawa, A., Iguchi, H., Idei, H., Kubo, S., Matsuoka, K., Okamura, S., Tanaka, K., Minami, T., Ohdachi, S., Morita, S., Zushi, H., Lee, S., Osakabe, M., Akiyama, R., Yoshimura, Y., Toi, K., Sanuki, H., Itoh, K., Shimizu, A., Takagi, S. & 12 others, Ejiri, A., Takahashi, C., Kojima, M., Hidekuma, S., Ida, K., Nishimura, S., Isobe, M., Inoue, N., Sakamoto, R., Itoh, S. I., Hamada, Y. & Fujiwara, M., Sep 14 1998, In : Physical review letters. 81, 11, p. 2256-2259 4 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)

Effects of solid transmutants and helium in copper studied by mixed-spectrum neutron irradiation

Muroga, T., Watanabe, H. & Yoshida, N., Oct 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 955-960 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Electric field bifurcation and transition in the core plasma of CHS

Fujisawa, A., Iguchi, H., Sanuki, H., Itoh, K., Itoh, S. I., Okamura, S., Matsuoka, K. & Hamada, Y., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 5, p. 627-630 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Hardening behavior of molybdenum by low energy He and D ion irradiation

Iwakiri, H., Wakimoto, H., Watanabe, H. & Yoshida, N., Jan 1 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 873-878 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

High heat load properties of tungsten coated carbon materials

Tokunaga, K., Yoshida, N., Noda, N., Sogabe, T. & Kato, T., Jan 1 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 998-1004 7 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Investigation on modification of plasma facing surface under long duration discharges by means of a collector probe in TRIAM-1M

Hirai, T., Tokunaga, K., Fujiwara, T., Yoshida, N. & Itoh, S., Jan 1 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 1060-1065 6 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Material damage and thermal response of LHD divertor mock-ups by high heat flux

Tokunaga, K., Yoshida, N., Kubota, Y., Noda, N., Motojima, O., Youchison, D. L., Watson, R. D., Nygren, R. E., McDonald, J. M. & Marshall, T. D., Oct 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 1097-1103 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Microstructure of tantalum irradiated with heavy ions

Yasunaga, K., Watanabe, H., Yoshida, N., Muroga, T. & Noda, N., Jan 1 1998, In : Journal of Nuclear Materials. 258-263, PART 1 A, p. 879-882 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Modeling of transport including core and SOL plasmas

Fukuyama, A., Fuji, Y., Itoh, S. I. & Itoh, K., Jan 1 1998, In : Contributions to Plasma Physics. 38, 1-2, p. 31-36 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Nondiffusive Toroidal-Momentum-Transport in the JFT-2M Tokamak Plasmas

Ida, K., Miura, Y., Itoh, K., Itoh, S. & Matsuda, T., Jan 1 1998, In : Journal of the Physical Society of Japan. 67, 12, p. 4089-4097 9 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Physics of collapse events in toroidal plasmas

Itoh, S. I., Itoh, K., Zushi, H. & Fukuyama, A., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 6, p. 879-929 51 p.

Research output: Contribution to journalReview article

49 Citations (Scopus)

Physics of collapses: Probabilistic occurrence of ELMs and crashes

Itoh, S. I., Toda, S., Yagi, M., Itoh, K. & Fukuyama, A., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 5, p. 737-740 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Probabilistic Excitation of Plasma Transitions

Itoh, S. I., Toda, S., Yagi, M., Itoh, K. & Fukuyama, A., Dec 1998, In : journal of the physical society of japan. 67, 12, p. 4080-4083 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Solitary radial electric field structure in tokamak plasmas

Itoh, K., Itoh, S. I., Yagi, M. & Fukuyama, A., Dec 1998, In : Physics of Plasmas. 5, 12, p. 4121-4123 3 p.

Research output: Contribution to journalLetter

29 Citations (Scopus)

Suppression of plasma turbulence by asymmetric hot ions

Itoh, K., Ohkawa, T., Itoh, S. I., Yagi, M. & Fukuyama, A., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 5, p. 661-664 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Theory of fully developed turbulence in buoyancy-driven fluids and pressure-gradient-driven plasmas

Itoh, S. I. & Itoh, K., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 10, p. 1729-1766 38 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Transition to an enhanced internal transport barrier

Fukuyama, A., Takatsuka, S., Itoh, S. I., Yagi, M. & Itoh, K., Dec 1 1998, In : Plasma Physics and Controlled Fusion. 40, 5, p. 653-656 4 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Transport Dynamics of Collapse in a Giant ELM

Kubota, T., Itoh, S., Yagi, M. & Itoh, K., Jan 1 1998, In : Journal of the Physical Society of Japan. 67, 9, p. 3100-3106 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
1999

A rotating coil probe for the magnetic field measurement on a long pulsed tokamak

Fujita, J., Matsuura, K., Kawahata, K., Fujiwaka, S., Itoh, S., Sato, K. N., Nakamura, K., Zushi, H., Sakamoto, M., Hanada, K., Jotaki, E. & Makino, K., Jan 1 1999, In : Review of Scientific Instruments. 70, 1 II, p. 445-448 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Atomic structure and dynamic behavior of small interstitial clusters in Fe and Ni

Koyanagi, M., Tsutsumi, T., Ohsawa, K. & Kuramoto, E., Feb 1 1999, In : Computational Materials Science. 14, 1-4, p. 103-107 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Behavior of plasma-sprayed tungsten coatings on CFC and graphite under high heat load

Tokunaga, K., Yoshida, N., Noda, N., Kubota, Y., Inagaki, S., Sakamoto, R., Sogabe, T. & Plöchl, L., Mar 2 1999, In : Journal of Nuclear Materials. 266, p. 1224-1229 6 p.

Research output: Contribution to journalConference article

39 Citations (Scopus)

Burning Analysis on the Improved Confinement Mode

Tateishi, G., Yagi, M. & Itoh, S., Jan 1 1999, In : journal of the physical society of japan. 68, 10, p. 3277-3285 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Computer simulation of the interaction between an edge dislocation and interstitial clusters in Fe and Ni

Kuramoto, E., Ohsawa, K., Tsutsumi, T. & Koyanagi, M., May 1999, In : Journal of Nuclear Materials. 271-272, p. 26-29 4 p.

Research output: Contribution to journalConference article

14 Citations (Scopus)

Confinement physics study in a small low aspect ratio helical device: CHS

Okamura, S., Matsuoka, K., Akiyama, R., Darrow, D. S., Ejiri, A., Fujisawa, A., Fujiwara, M., Goto, M., Ida, K., Idei, H., Iguchi, H., Inoue, N., Isobe, M., Itoh, K., Kado, S. & et al, A., Sep 1999, In : Nuclear Fusion. 39, Special Issue, p. 1337-1350 14 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Determination of N-body potential for Fe-Cr alloy system and its application to defect study

Konishi, T., Ohsawa, K., Abe, H. & Kuramoto, E., Jan 1 1999, In : Computational Materials Science. 14, 1-4, p. 108-113 6 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Effect of plasma disruption on superconducting magnet system in TRIAM-1M

Sakamoto, M., Itoh, S., Nakamura, K. & Jotaki, E., Dec 1 1999, In : Fusion Engineering and Design. 47, 1, p. 1-7 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Electric pulsation and profile quantization in CHS heliotron/torsatron

Fujisawa, A., Iguchi, H., Idei, H., Kubo, S., Matsuoka, K., Okamura, S., Tanaka, K., Minami, T., Ohdachi, S., Morita, S., Zushi, H., Lee, S., Osakabe, M., Akiyama, R., Yoshimura, Y., Toi, K., Sanuki, H., Itoh, K., Shimizu, A., Takagi, S. & 12 others, Ejiri, A., Takahashi, C., Kojima, M., Hidekuma, S., Ida, K., Nishimura, S., Isobe, M., Inoue, N., Sakamoto, R., Itoh, S. I., Hamada, Y. & Fujiwara, M., Jan 1 1999, In : Plasma Physics and Controlled Fusion. 41, 3A, p. A561-A568

Research output: Contribution to journalArticle

6 Citations (Scopus)

Electron thermal transport barrier and density fluctuation reduction in a toroidal helical plasma

Fujisawa, A., Iguchi, H., Minami, T., Yoshimura, Y., Sanuki, H., Itoh, K., Lee, S., Tanaka, K., Yokoyama, M., Kojima, M., Itoh, S. I., Okamura, S., Akiyama, R., Ida, K., Isobe, M., Morita, S., Nishimura, S., Osakabe, M., Shimizu, A., Takahashi, C. & 4 others, Toi, K., Hamada, Y., Matsuoka, K. & Fujiwara, M., Jan 1 1999, In : Physical Review Letters. 82, 13, p. 2669-2672 4 p.

Research output: Contribution to journalArticle

138 Citations (Scopus)

Fast responses in L-H transitions

Iwasaki, T., Toda, S., Itoh, S. I., Yagi, M. & Itoh, K., Dec 1 1999, In : Nuclear Fusion. 39, Special Issu, p. 2127-2130 4 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Flexible boundary condition for a moving dislocation

Ohsawa, K. & Kuramoto, E., Jul 1 1999, In : Journal of Applied Physics. 86, 1, p. 179-185 7 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Fluence dependence of defect evolution in austenitic stainless steels during fission neutron irradiation

Watanabe, H., Muroga, T. & Yoshida, N., May 1999, In : Journal of Nuclear Materials. 271-272, p. 381-384 4 p.

Research output: Contribution to journalConference article

6 Citations (Scopus)

High ion temperature discharge and its long sustainment in both limiter and single null configurations on TRIAM-1M

Zushi, H., Nakamura, K., Itoh, S., Sato, K., Sakamoto, M., Kanada, K., Jotaki, E., Makino, K., Kawasaki, S. & Nakashima, H., Dec 1 1999, In : Nuclear Fusion. 39, Special Issu, p. 1955-1963 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Magnetohydrodynamic mechanisms of electric-field transport suppression and plasma-rotation generation, with special reference to tokamak's reversed-shear confinement

Yoshizawa, A., Yokoi, N., Itoh, S. I. & Itoh, K., Jan 1 1999, In : Physics of Plasmas. 6, 8, p. 3194-3206 13 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

MD study of the dynamic behavior of small interstitial clusters in Fe

Koyanagi, M., Ohsawa, K. & Kuramoto, E., Jan 1 1999, In : Journal of Nuclear Materials. 271-272, p. 205-208 4 p.

Research output: Contribution to journalConference article

12 Citations (Scopus)

Microstructural evolution in vanadium irradiated during ion irradiation at constant and varying temperature

Ochiai, K., Watanabe, H., Muroga, T., Yoshida, N. & Matsui, H., Jan 1 1999, In : Journal of Nuclear Materials. 271-272, p. 376-380 5 p.

Research output: Contribution to journalConference article

22 Citations (Scopus)

Microstructures in neutron irradiated Fe-Cr-Ni-P-Ti model austenitic alloys doped with 10B

Muroga, T., Watanabe, H., Yoshida, N. & Kurishita, H., Dec 1 1999, In : ASTM Special Technical Publication. 1325, p. 689-700 12 p.

Research output: Contribution to journalConference article

Non-local model analysis of heat pulse propagation and simulation of experiments in W7-AS

Iwasaki, T., Itoh, S. I., Yagi, M., Itoh, K. & Stroth, U., Feb 1999, In : journal of the physical society of japan. 68, 2, p. 478-486 9 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)