Research Output 1979 2019

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1993
1 Citation (Scopus)

Cross Field Ion Motion at Sawtooth Crash

Itoh, K., Itoh, S. & Fukuyama, A., Jan 1 1993, In : journal of the physical society of japan. 62, 2, p. 399-402 4 p.

Research output: Contribution to journalArticle

ion motion
crashes
profiles
inhomogeneity
causes

Distribution of particle velocity perpendicular to magnetic field in turbulent plasma

fujisawa, A., Jan 1 1993, In : Physics of Fluids B. 5, 5, p. 1482-1484 3 p.

Research output: Contribution to journalArticle

Electric fields
Magnetic fields
Plasmas
electric fields
cyclotron frequency

Effect of alpha -particles on radial electric field structure in Torsatron/Heliotron reactor

Itoh, K., Sanuki, H. & Itoh, S. I., Dec 1 1993, In : Plasma Physics and Controlled Fusion. 35, 9, p. 1165-1173 9 p., 007.

Research output: Contribution to journalArticle

Alpha particles
alpha particles
reactors
Electric fields
electric fields
16 Citations (Scopus)

Effects of Nonclassical Ion Losses on Radial Electric Field in CHS Torsatron/Heliotron

Sanuki, H., Itoh, K. & Itoh, S., Jan 1 1993, In : journal of the physical society of japan. 62, 1, p. 123-139 17 p.

Research output: Contribution to journalArticle

electric fields
ions
charge exchange
cones
orbits
33 Citations (Scopus)

Influence of details of reactor history on microstructural development during neutron irradiation

Garner, F. A., Sekimura, N., Grossbeck, M. L., Ermi, A. M., Newkirk, J. W., Watanabe, H. & Kiritani, M., Jan 1 1993, In : Journal of Nuclear Materials. 205, C, p. 206-218 13 p.

Research output: Contribution to journalArticle

Neutron irradiation
neutron irradiation
reactors
histories
Experiments
38 Citations (Scopus)

L-mode confinement model based on transport-MHD theory in tokamaks

Itoh, K., Yagi, M., Itoh, S., Fukuyama, A. & Azumi, M., Dec 1 1993, In : Plasma Physics and Controlled Fusion. 35, 5, p. 543-549 7 p., 001.

Research output: Contribution to journalArticle

transport theory
Magnetohydrodynamics
Plasma stability
transport properties
Pressure gradient
4 Citations (Scopus)

Microstructural Evolution of Phosphorus Modified Austenitic Steels during Irradiation in JOYO

Watanabe, H., Muroga, T. & Yoshida, N., Jan 1 1993, In : Materials Transactions, JIM. 34, 11, p. 1012-1017 6 p.

Research output: Contribution to journalArticle

Austenitic steel
Microstructural evolution
Phosphorus
phosphorus
Irradiation
14 Citations (Scopus)

Nonresonant current drive and helicity injection by radio-frequency waves

Fukuyama, A., Itoh, K., Itoh, S. & Hamamatsu, K., Jan 1 1993, In : Physics of Fluids B. 5, 2, p. 539-549 11 p.

Research output: Contribution to journalArticle

radio frequencies
injection
Plasmas
Ions
trapped particles
24 Citations (Scopus)

Prandtl Number of Toroidal Plasmas

Itoh, K., Itoh, S. I., Fukuyama, A., Yagi, M. & Azumi, M., Jan 1 1993, In : journal of the physical society of japan. 62, 12, p. 4269-4276 8 p.

Research output: Contribution to journalArticle

toroidal plasmas
Prandtl number
turbulence
Hartmann number
ballooning modes
31 Citations (Scopus)

The ELMy H mode as a limit cycle and the transient responses of H modes in tokamaks

Itoh, S., Itoh, K. & Fukuyama, A., Dec 1 1993, In : Nuclear Fusion. 33, 10, p. 1445-1457 13 p., I04.

Research output: Contribution to journalArticle

transient response
cycles
electric fields
diffusion coefficient
hysteresis
7 Citations (Scopus)

Theoretical study of cylindrical energy analyzers for MeV range heavy-ion beam probes

fujisawa, A. & Hamada, Y., Dec 1 1993, In : Review of Scientific Instruments. 64, 12, p. 3503-3514 12 p.

Research output: Contribution to journalArticle

Electric power measurement
Heavy ions
Ion beams
analyzers
heavy ions
10 Citations (Scopus)

Theory of pseudoclassical confinement and transition to L mode

Itoh, K., Itoh, S., Yagi, M., Fukuyama, A. & Azumi, M., Jan 1 1993, In : Physics of Fluids B. 5, 9, p. 3299-3303 5 p.

Research output: Contribution to journalArticle

Turbulence
turbulence
Hartmann number
Plasma confinement
diffusivity
1992
16 Citations (Scopus)

Behavior of impurities in the scrape-off layer under long duration discharges in TRIAM-1M

Yoshida, N., Tokunaga, K., Fujiwara, T., Tawara, K., Muroga, T. & Itoh, S., Dec 1 1992, In : Journal of Nuclear Materials. 196-198, C, p. 415-420 6 p.

Research output: Contribution to journalArticle

Limiters
Impurities
impurities
Plasmas
damage
1 Citation (Scopus)

Cavity formation and growth during pulse high heat loading in nickel implanted with helium or deuterium ions

Muroga, T., Dohi, K., Ishihama, Y., Tokunaga, K. & Yoshida, N., Jan 1 1992, In : Journal of Nuclear Materials. 191-194, PART B, p. 1248-1253 6 p.

Research output: Contribution to journalArticle

Facings
Helium
helium ions
Deuterium
Nickel
1 Citation (Scopus)

Charged particle emission from plasma facing materials by high heat load

Tokunaga, K., Fujiwara, T., Fukuda, S., Muroga, T. & Yoshida, N., Dec 1 1992, In : Journal of Nuclear Materials. 196-198, C, p. 1008-1012 5 p.

Research output: Contribution to journalArticle

particle emission
Charged particles
Thermal load
charged particles
Ions
9 Citations (Scopus)

Development of negative heavy ion sources for plasma potential measurement

Sasao, M., Okabe, Y., fujisawa, A., Fujita, J., Yamaoka, H. & Wada, M., Dec 1 1992, In : Review of Scientific Instruments. 63, 4, p. 2726-2728 3 p.

Research output: Contribution to journalArticle

plasma potentials
Ion sources
Heavy ions
negative ions
ion sources
16 Citations (Scopus)

Fluctuation and edge-current sustainment in a reversed-field pinch

Ji, H., Toyama, H., fujisawa, A., Shinohara, S. & Miyamoto, K., Jan 1 1992, In : Physical Review Letters. 69, 4, p. 616-619 4 p.

Research output: Contribution to journalArticle

plasma pinch
Ohms law
electrons
electric fields
9 Citations (Scopus)

Geometric dependence of the energy confinement time scaling for H-mode discharges

Y. Miura, M., T. Takizuka, T., H. Tamai, T., T. Matsuda, M., N. Suzuki, S., M. Mori, M., H. Maeda, M., K. Itoh, I., Itoh, S. & O.j.w.f. Kardaun, K., Dec 1 1992, In : Nuclear Fusion. 32, 8, p. 1473-1479 7 p., I15.

Research output: Contribution to journalArticle

scaling
elongation
configurations
energy
regression analysis
69 Citations (Scopus)

Global energy confinement H-mode database for ITER

J.p. Christiansen, C., J.g. Cordey, C., K. Thomsen, T., A. Tanga, T., J.c. Deboo, D., D.p. Schissel, S., T.s. Taylor, T., O.j.w.f. Kardaun, K., F. Wagner, W., F. Ryter, R., S.m. Kaye, K., Y. Miura, M., N. Suzuki, S., M. Mori, M., T. Matsuda, M., H. Tamai, T., T. Takizuka, T., Itoh, S. & K. Itoh, I., Dec 1 1992, In : Nuclear Fusion. 32, 2, p. 291-338 48 p., I11.

Research output: Contribution to journalArticle

scaling
energy
predictions
13 Citations (Scopus)

Influence of fast ion loss on the radial electric field in Wendelstein VII-A

Itoh, K., Sanuki, H. & Itoh, S., Dec 1 1992, In : Nuclear Fusion. 32, 6, p. 1047-1050 4 p., I14.

Research output: Contribution to journalArticle

electric fields
ions
25 Citations (Scopus)

Low dose fission neutron irradiation on P- and Ti-modified austenitic alloys with improved temperature control

Yoshida, N., Xu, Q., Watanabe, H., Muroga, T. & Kiritani, M., Jan 1 1992, In : Journal of Nuclear Materials. 191-194, PART B, p. 1114-1118 5 p.

Research output: Contribution to journalArticle

Neutron irradiation
temperature control
neutron irradiation
Temperature control
Dosimetry
12 Citations (Scopus)

Model of the major disruption in tokamaks

Itoh, K., Itoh, S. I., Fukuyama, A., Tsuji, S. & Lichtenberg, A. J., Dec 1 1992, In : Nuclear Fusion. 32, 10, p. 1851-1855 5 p., I13.

Research output: Contribution to journalArticle

magnetic islands
viscosity
thresholds
causes
13 Citations (Scopus)

Radiation damage and impurity behavior in the superconducting tokamak triam-1m under Steady-State operation

Yoshida, N., Nagao, A., Tokunaga, K., Tawara, K., Muroga, T., Fujiwara, T. & Itoh, S., Jan 1 1992, In : Radiation Effects and Defects in Solids. 124, 1, p. 99-108 10 p.

Research output: Contribution to journalArticle

Radiation damage
radiation damage
Hydrogen
Impurities
Plasmas
7 Citations (Scopus)

Radiation damage induced by plasma exposures under long duration tokamak discharge in TRIAM-1M

Tokunaga, K., Muroga, T., Fujiwara, T., Tawara, K., Yoshida, N., Itoh, S. & The TRIAM Group, TRIAM. G., Jan 1 1992, In : Journal of Nuclear Materials. 191-194, p. 449-453 5 p.

Research output: Contribution to journalArticle

Radiation damage
radiation damage
Plasmas
Hydrogen
hydrogen atoms
9 Citations (Scopus)

Shaped electrode system for high voltage parallel plate analyzer

Hamada, Y., Kawasumi, Y., Masai, K., Iguchi, H., fujisawa, A. & Abe, Y., Dec 1 1992, In : Review of Scientific Instruments. 63, 10, p. 4446-4449 4 p.

Research output: Contribution to journalArticle

Plasma devices
parallel plates
Heavy ions
high voltages
analyzers
85 Citations (Scopus)

The role of stochasticity in sawtooth oscillations

Lichtenberg, A. J., Itoh, K., Itoh, S. & Fukuyama, A., Dec 1 1992, In : Nuclear Fusion. 32, 3, p. 495-512 18 p., I12.

Research output: Contribution to journalArticle

viscosity
oscillations
stabilization
actuators
crashes
18 Citations (Scopus)

Transition to the H-mode by energetic electrons

Itoh, K. & Itoh, S., Dec 1 1992, In : Nuclear Fusion. 32, 12, p. 2243-2246 4 p., I14.

Research output: Contribution to journalArticle

electrons
ripples
orbits
heating
electric fields
1991
22 Citations (Scopus)

Anomalous ion temperature and plasma resistance due to mhd fluctuations in repute-1 reversed field pinch plasmas

fujisawa, A., Ji, H., Yamagishi, K., Shinohara, S., Toyama, H. & Miyamoto, K., Jan 1 1991, In : Nuclear Fusion. 31, 8, p. 1443-1453 11 p.

Research output: Contribution to journalArticle

plasma pinch
ion temperature
profiles
electron energy
temperature profiles
18 Citations (Scopus)

Effect of combined addition of phosphorus and titanium on microstructural evolution in Fe-Cr-Ni alloys

Watanabe, H., Aoki, A., Muroga, T. & Yoshida, N., Jan 1 1991, In : Journal of Nuclear Materials. 179-181, PART 1, p. 529-533 5 p.

Research output: Contribution to journalArticle

Microstructural evolution
Titanium
Phosphorus
phosphorus
titanium
6 Citations (Scopus)

Electron microscopy of materials modification induced by tokamak plasma

Tokunaga, K., Muroga, T., Miyamoto, Y., Fujiwara, T., Yoshida, N., Nakamura, K., Hiraki, N. & Itoh, S., Jan 1 1991, In : Journal of Nuclear Materials. 179-181, PART 1, p. 356-359 4 p.

Research output: Contribution to journalArticle

Electron microscopy
electron microscopy
Electron microscopes
Tokamak devices
electron microscopes
3 Citations (Scopus)

Modification of a limiter under ultra long pulse operation in the superconducting high-field tokamak TRIAM-1M

Tokunaga, K., Fujiwara, T., Yoshida, N., Muroga, T. & Itoh, S., Jan 1 1991, In : Journal of Nuclear Materials. 179-181, PART 1, p. 353-355 3 p.

Research output: Contribution to journalArticle

Limiters
tokamak devices
heat
Hydrogen
hydrogen plasma
32 Citations (Scopus)

Probe measurements in the REPUTE-1 reversed field pinch

Ji, H., Toyama, H., Yamagishi, K., Shinohara, S., fujisawa, A. & Miyamoto, K., Dec 1 1991, In : Review of Scientific Instruments. 62, 10, p. 2326-2337 12 p.

Research output: Contribution to journalArticle

magnetic probes
probes
plasma pinch
electric fields
Electric field measurement
7 Citations (Scopus)

Pulse high heat flux experiment with laser beams on graphite

Kamezaki, H., Tokunaga, K., Fukuda, S., Yoshida, N. & Muroga, T., Jan 1 1991, In : Journal of Nuclear Materials. 179-181, PART 1, p. 193-196 4 p.

Research output: Contribution to journalArticle

Graphite
Laser beams
Heat flux
heat flux
Laser pulses
46 Citations (Scopus)

The influence of 173 MeV Xe-ion irradiation on the microstructure of YBa2Cu3O7 thin films

Watanabe, H., Kabius, B., Urban, K., Roas, B., Klaumünzer, S. & Saemann-Ischenko, G., Aug 15 1991, In : Physica C: Superconductivity and its Applications. 179, 1-3, p. 75-84 10 p.

Research output: Contribution to journalArticle

Ion bombardment
ion irradiation
Ions
Thin films
dosage
1990
20 Citations (Scopus)

Correlation of fast neutron, fusion neutron and electron irradiations based on the dislocation loop density

Muroga, T., Watanabe, H. & Yoshida, N., Nov 2 1990, In : Journal of Nuclear Materials. 174, 2-3, p. 282-288 7 p.

Research output: Contribution to journalArticle

Electron irradiation
Neutron irradiation
neutron irradiation
electron irradiation
fast neutrons
9 Citations (Scopus)

Radial profiles of hard X-ray emission during steady state current drive in the TRIAM-1M tokamak

Nakamura, Y., Takabatake, Y., Jotaki, E., Moriyama, S., Nagao, A., Nakamura, K., Hiraki, N. & Itoh, S., Jan 1 1990, In : Nuclear Fusion. 30, 4, p. 689-700 12 p.

Research output: Contribution to journalArticle

profiles
x rays
high energy electrons
sodium iodides
plasma currents
2 Citations (Scopus)

Surface modification of tokamak fixed limiter used in high-field tokamak triam-1

Tokunaga, K., Miyamoto, Y., Muroga, T., Yoshida, N., Itoh, S. & Triam, G., Jan 1 1990, In : journal of nuclear science and technology. 27, 4, p. 333-342 10 p.

Research output: Contribution to journalArticle

Limiters
Surface treatment
Impurities
damage
Thermal load

Surface Modification of Tokamak Fixed Limiter Used in High-Field Tokamak TRIAM-1

Tokunaga, K., Fujiwara, T., Miyamoto, Y., Muroga, T., Yoshida, N., Itoh, S. & Group, T., Jan 1 1990, In : journal of nuclear science and technology. 27, 4, p. 333-342 10 p.

Research output: Contribution to journalArticle

Limiters
Surface treatment
Impurities
damage
Thermal load
2 Citations (Scopus)

The effect of pyrolytic carbon coating on gas emission and sublimation of graphite induced by pulse laser beams

Muroga, T., Kamezaki, H., Tokunaga, K. & Yoshida, N., Dec 3 1990, In : Journal of Nuclear Materials. 176-177, C, p. 450-454 5 p.

Research output: Contribution to journalArticle

Graphite
Sublimation
Thermal load
Gas emissions
sublimation
16 Citations (Scopus)

Ultra-long pulse operation using lower hybrid waves on the superconducting high field tokamak triam-im

Moriyama, S., Nakamura, Y., Nagao, A., Jotaki, E., Nakamura, K., Hiraki, N. & Itoh, S., Jan 1 1990, In : Nuclear Fusion. 30, 1, p. 47-56 10 p.

Research output: Contribution to journalArticle

pulses
plasma currents
current distribution
impurities
gases
1989
3 Citations (Scopus)
Electron irradiation
austenitic stainless steels
Point defects
electron irradiation
Austenitic stainless steel
4 Citations (Scopus)

Estimation of plasma elongation and position on noncircular tokamak triam-1m

Moriyama, S. I., Nakamura, K., Kawasaki, S., Jotaki, E., Nagao, A., Nakamura, Y., Hiraki, N. & Itoh, S., Aug 1 1989, In : Japanese Journal of Applied Physics. 28, 8R, p. 1479-1485 7 p.

Research output: Contribution to journalArticle

elongation
Elongation
Plasmas
magnetic coils
Magnetohydrodynamics
5 Citations (Scopus)

Ideal mhd instabilities with finite β-effect in reversed field pinch

fujisawa, A., Onodera, S. & Miyamoto, K., Jan 1 1989, In : journal of the physical society of japan. 58, 2, p. 473-481 9 p.

Research output: Contribution to journalArticle

configurations
diagrams
profiles
8 Citations (Scopus)

Soft x-ray spectrum measurement of the ultralong discharge in the triam-1m tokamak

Nagao, A., Jotaki, E., Moriyama, S. I., Nakamura, K., Nakamura, Y., Hiraki, N. & Itoh, S., Aug 1 1989, In : Japanese Journal of Applied Physics. 28, 8R, p. 1486-1490 5 p.

Research output: Contribution to journalArticle

Electron temperature
x ray spectra
electron energy
X rays
Plasmas
1988

Control of Vertical Bloch Lines in Stripe Domain Head

Nakamura, K., Matsuyama, K. & Konishi, S., 1988, In : IEEE Translation Journal on Magnetics in Japan. 3, 6, p. 459-461 3 p.

Research output: Contribution to journalArticle

Magnetic thin films
17 Citations (Scopus)

Defect accumulation in JPCA and its high purity model alloys irradiated with D-T neutrons

Muroga, T., Miyamoto, Y., Watanabe, H. & Yoshida, N., Jul 2 1988, In : Journal of Nuclear Materials. 155-157, PART 2, p. 810-814 5 p.

Research output: Contribution to journalArticle

Neutrons
purity
neutrons
Defects
defects
2 Citations (Scopus)

EFFECTS OF MINOR ADDITION OF PHOSPHORUS ON POINT DEFECT BEHAVIOR AND MICROSTRUCTURAL EVOLUTION IN AUSTENITIC STAINLESS STEEL.

Watanabe, H., Aoki, A., Murakami, H., Muroga, T. & Yoshida, N., Jun 1988, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 52, 6, p. 536-545 10 p.

Research output: Contribution to journalArticle

austenitic stainless steels
Microstructural evolution
Point defects
Austenitic stainless steel
Phosphorus
73 Citations (Scopus)

Effects of phosphorus on defect behavior, solute segregation and void swelling in electron irradiated FeCrNi alloys

Watanabe, H., Aoki, A., Murakami, H., Muroga, T. & Yoshida, N., Jul 2 1988, In : Journal of Nuclear Materials. 155-157, PART 2, p. 815-822 8 p.

Research output: Contribution to journalArticle

swelling
Phosphorus
Swelling
phosphorus
voids
11 Citations (Scopus)

Effects of purity on damage evolution in Ni irradiated by 14 MeV neutrons

Yoshida, N., Muroga, T., Watanabe, H., Araki, K. & Miyamoto, Y., Jul 2 1988, In : Journal of Nuclear Materials. 155-157, PART 2, p. 1222-1226 5 p.

Research output: Contribution to journalArticle

Vacancies
Neutrons
purity
Stacking faults
damage
14 Citations (Scopus)

Fission-fusion correlation of void swelling in pure nickel

Muroga, T., Watanabe, H., Araki, K. & Yoshida, N., Jul 2 1988, In : Journal of Nuclear Materials. 155-157, PART 2, p. 1290-1295 6 p.

Research output: Contribution to journalArticle

Nickel
swelling
fission
Swelling
voids