Research Output 1979 2019

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2018

Subcritical instabilities in neutral fluids and plasmas

Lesur, M., Médina, J., Sasaki, M. & Shimizu, A., Dec 2018, In : Fluids. 3, 4, 89.

Research output: Contribution to journalArticle

Open Access
Plasma stability
Plasmas
Fluids
fluids
seats
1 Citation (Scopus)

Surface morphology of Tungsten-F82H after high-heat flux testing using plasma-arc lamps

Ibano, K., Sabau, A. S., Tokunaga, K., Akiyoshi, M., Kiggans, J. O., Schaich, C. R., Katoh, Y. & Ueda, Y., Aug 1 2018, In : Nuclear Materials and Energy. 16, p. 128-132 5 p.

Research output: Contribution to journalArticle

Arc lamps
arc lamps
Tungsten
plasma jets
Surface morphology

Symmetry-breaking of turbulence structure and position identification in toroidal plasmas

Itoh, K., Itoh, S. I., Nagashima, Y., Yamada, T., Kosuga, Y. & Fujisawa, A., Jan 1 2018, In : Plasma and Fusion Research. 13, 1102113.

Research output: Contribution to journalArticle

Open Access
toroidal plasmas
broken symmetry
turbulence
plasma turbulence
cross sections

Thermal shock behavior of W–ZrC/Sc2O3 composites under two different transient events by electron and laser irradiation

Chen, H. Y., Luo, L. M., Zan, X., Xu, Q., Tokunaga, K., Liu, J. Q., Zhu, X. Y., Cheng, J. G. & Wu, Y. C., Feb 1 2018, In : Journal of Nuclear Materials. 499, p. 248-255 8 p.

Research output: Contribution to journalArticle

thermal shock
Electron irradiation
Thermal shock
Laser beam effects
electron irradiation
1 Citation (Scopus)

Three-dimensional structure of the streamer in linear plasmas

Yamada, T., Shigeru, I., Sasaki, M., Nagashima, Y., Kin, F., Arakawa, H., Kobayashi, T., Yamasaki, K., Kasuya, N., Kosuga, Y., fujisawa, A., Itoh, K. & Itoh, S., Jan 1 2018, In : journal of the physical society of japan. 87, 3, 034501.

Research output: Contribution to journalArticle

axial modes
carrier waves
interactions
1 Citation (Scopus)

Transient thermal shock behavior of W–Zr/Sc2O3 composites prepared via spark plasma sintering

Chen, H. Y., Luo, L. M., Zan, X., Xu, Q., Tokunaga, K., Liu, J. Q., Liu, D. G., Zhu, X. Y., Cheng, J. G. & Wu, Y. C., Jan 1 2018, In : Fusion Engineering and Design. 126, p. 44-50 7 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Thermal shock
Surface treatment
Composite materials
Thermal fatigue
3 Citations (Scopus)

Turbulence simulation taking account of inhomogeneity of neutral density in linear devices

Kasuya, N., Abe, S., Sasaki, M., Shigeru, I., Kobayashi, T. & Yagi, M., Jan 1 2018, In : Physics of Plasmas. 25, 1, 012314.

Research output: Contribution to journalArticle

neutral particles
inhomogeneity
turbulence
profiles
simulation
2017
5 Citations (Scopus)

Analysis of higher harmonics on bidirectional heat pulse propagation experiment in helical and tokamak plasmas

Kobayashi, T., Ida, K., Shigeru, I., Tsuchiya, H., Tamura, N., Choe, G. H., Yun, G. S., Park, H. K., Ko, W. H., Evans, T. E., Austin, M. E., Shafer, M. W., Ono, M., López-bruna, D., Ochando, M. A., Estrada, T., Hidalgo, C., Moon, C., Igami, H., Yoshimura, Y. & 3 others, Tsujimura, T. I., Itoh, S. & Itoh, K., May 17 2017, In : Nuclear Fusion. 57, 7, 076013.

Research output: Contribution to journalArticle

transport properties
harmonics
heat
propagation
electron cyclotron resonance
4 Citations (Scopus)
proposals
Plasmas
Bessel functions
expansion
structural analysis
5 Citations (Scopus)

A simple model for electron dissipation in trapped ion turbulence

Lesur, M., Cartier-Michaud, T., Drouot, T., Diamond, P. H., Kosuga, Y., Réveillé, T., Gravier, E., Garbet, X., Itoh, S. & Itoh, K., Jan 1 2017, In : Physics of Plasmas. 24, 1, 012511.

Research output: Contribution to journalArticle

dissipation
turbulence
flux (rate)
ions
electrons
2 Citations (Scopus)

Coexistence of driftwaves and d'angelo modes at different position and frequency in linear plasma device

Dupertuis, N., Shigeru, I., Nagashima, Y., Kosuga, Y., Kin, F., Kobayashi, T., Kasuya, N., Sasaki, M., fujisawa, A., Tran, M. Q., Itoh, S. & Itoh, K., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201008.

Research output: Contribution to journalArticle

parallel flow
radii
plasma jets
floating
spectrum analysis

Correlation between magnetic hysteresis Properties and Vickers hardness in cladded reactor pressure vessel steel

Aihara, Y., Kamada, Y., Murakami, T., Kobayashi, S. & Watanabe, H., Jan 1 2017, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 81, 10, p. 475-479 5 p.

Research output: Contribution to journalArticle

Magnetic hysteresis
pressure vessels
Vickers hardness
Steel structures
hysteresis
7 Citations (Scopus)

Current start-up using the new CHI system

Kuroda, K., Raman, R., Hanada, K., Hasegawa, M., Onchi, T., Ono, M., Jaboe, T., Nelson, B. A., Nagata, M., Mitarai, O., Nakamura, K., Idei, H., Rogers, J., Kawasaki, S., Nagata, T., Kuzmin, A., Kojima, S., Watanabe, O., Higashijima, A., Takase, Y. & 1 others, Fukuyama, A., Jan 1 2017, In : Plasma and Fusion Research. 12, 1202020.

Research output: Contribution to journalArticle

injection
magnetic flux
breakdown
gases
2 Citations (Scopus)

Distorted magnetic island formation during slowing down to mode locking in helical plasmas

The LHD Experiment Group, May 12 2017, In : Nuclear Fusion. 57, 7, 076003.

Research output: Contribution to journalArticle

magnetic islands
locking
occurrences
8 Citations (Scopus)

Effect of helium irradiation on deuterium permeation behavior in tungsten

Uemura, Y., Sakurada, S., Fujita, H., Azuma, K., Zhou, Q., Chikada, T., Oya, Y., Hatano, Y., Yoshida, N., Watanabe, H., Oyaizu, M., Isobe, K., Shimada, M., Buchenauer, D. & Kolasinski, R., Jul 1 2017, In : Journal of Nuclear Materials. 490, p. 242-246 5 p.

Research output: Contribution to journalArticle

Helium
Tungsten
Deuterium
Permeation
deuterium
3 Citations (Scopus)

Effect of magnetic structure on RF-induced breakdown in QUEST

Yoneda, R., Hanada, K., Nakamura, K., Idei, H., Yoshida, N., Hasegawa, M., Onchi, T., Kuroda, K., Kawasaki, S., Higashijima, A., Nagata, T., Isayama, A., Mitarai, O., Fukuyama, A. & Takase, Y., Jun 1 2017, In : Physics of Plasmas. 24, 6, 062513.

Research output: Contribution to journalArticle

radio frequencies
breakdown
life (durability)
electrons
thresholds
3 Citations (Scopus)

Effects of ion irradiation on H2O and CO2 absorption and desorption characteristics of Li2ZrO3 and Pt-coated Li2ZrO3

Tsuchiya, B., Nagata, S., Sugiyama, T. & Tokunaga, K., Sep 14 2017, In : International Journal of Hydrogen Energy. 42, 37, p. 23746-23750 5 p.

Research output: Contribution to journalArticle

Ion bombardment
ion irradiation
Platinum
Desorption
platinum

Effects of irradiation environment on V-4Cr-4Ti alloys

Watanabe, H., Muroga, T. & Nagasaka, T., Jan 1 2017, In : Plasma and Fusion Research. 12, Specialissue, 2405011.

Research output: Contribution to journalArticle

irradiation
oxygen
vacuum chambers
titanium oxides
foils
11 Citations (Scopus)

Enhancement and suppression of turbulence by energetic-particle-driven geodesic acoustic modes

Sasaki, M., Itoh, K., Hallatschek, K., Kasuya, N., Lesur, M., Kosuga, Y. & Itoh, S., Dec 1 2017, In : Scientific reports. 7, 1, 16767.

Research output: Contribution to journalArticle

energetic particles
turbulence
retarding
acoustics
augmentation
31 Citations (Scopus)

Extension of the operational regime of the LHD towards a deuterium experiment

Takeiri, Y., Morisaki, T., Osakabe, M., Yokoyama, M., Sakakibara, S., Takahashi, H., Nakamura, Y., Oishi, T., Motojima, G., Murakami, S., Ito, K., Ejiri, A., Imagawa, S., Inagaki, S., Isobe, M., Kubo, S., Masamune, S., Mito, T., Murakami, I., Nagaoka, K. & 167 others, Nagasaki, K., Nishimura, K., Sakamoto, M., Sakamoto, R., Shimozuma, T., Shinohara, K., Sugama, H., Watanabe, K. Y., Ahn, J. W., Akata, N., Akiyama, T., Ashikawa, N., Baldzuhn, J., Bando, T., Bernard, E., Castejón, F., Chikaraishi, H., Emoto, M., Evans, T., Ezumi, N., Fujii, K., Funaba, H., Goto, M., Goto, T., Gradic, D., Gunsu, Y., Hamaguchi, S., Hasegawa, H., Hayashi, Y., Hidalgo, C., Higashiguchi, T., Hirooka, Y., Hishinuma, Y., Horiuchi, R., Ichiguchi, K., Ida, K., Ido, T., Igami, H., Ikeda, K., Ishiguro, S., Ishizaki, R., Ishizawa, A., Ito, A., Ito, Y., Iwamoto, A., Kamio, S., Kamiya, K., Kaneko, O., Kanno, R., Kasahara, H., Kato, D., Kato, T., Kawahata, K., Kawamura, G., Kisaki, M., Kitajima, S., Ko, W. H., Kobayashi, M., Kobayashi, S., Kobayashi, T., Koga, K., Kohyama, A., Kumazawa, R., Lee, J. H., López-Bruna, D., Makino, R., Masuzaki, S., Matsumoto, Y., Matsuura, H., Mitarai, O., Miura, H., Miyazawa, J., Mizuguchi, N., Moon, C., Morita, S., Moritaka, T., Mukai, K., Muroga, T., Muto, S., Mutoh, T., Nagasaka, T., Nagayama, Y., Nakajima, N., Nakamura, Y., Nakanishi, H., Nakano, H., Nakata, M., Narushima, Y., Nishijima, D., Nishimura, A., Nishimura, S., Nishitani, T., Nishiura, M., Nobuta, Y., Noto, H., Nunami, M., Obana, T., Ogawa, K., Ohdachi, S., Ohno, M., Ohno, N., Ohtani, H., Okamoto, M., Oya, Y., Ozaki, T., Peterson, B. J., Preynas, M., Sagara, S., Saito, K., Sakaue, H., Sanpei, A., Satake, S., Sato, M., Saze, T., Schmitz, O., Seki, R., Seki, T., Sharov, I., Shimizu, A., Shiratani, M., Shoji, M., Skinner, C., Soga, R., Stange, T., Suzuki, C., Suzuki, Y., Takada, S., Takahata, K., Takayama, A., Takayama, S., Takemura, Y., Takeuchi, Y., Tamura, H., Tamura, N., Tanaka, H., Tanaka, K., Tanaka, M., Tanaka, T., Tanaka, Y., Toda, S., Todo, Y., Toi, K., Toida, M., Tokitani, M., Tokuzawa, T., Tsuchiya, H., Tsujimura, T., Tsumori, K., Usami, S., Velasco, J. L., Wang, H., Watanabe, T. H., Watanabe, T., Yagi, J., Yajima, M., Yamada, H., Yamada, I., Yamagishi, O., Yamaguchi, N., Yamamoto, Y., Yanagi, N., Yasuhara, R., Yatsuka, E., Yoshida, N., Yoshinuma, M., Yoshimura, S. & Yoshimura, Y., Aug 21 2017, In : Nuclear Fusion. 57, 10, 102023.

Research output: Contribution to journalArticle

deuterium
ion temperature
impurities
heating
beam injection
2 Citations (Scopus)

Fast algorithm for tomographic reconstruction for plasma emission

Yamasaki, K., fujisawa, A., Nagashima, Y. & Shigeru, I., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201045.

Research output: Contribution to journalArticle

tomography
cylindrical plasmas
matrices
shot
iteration
11 Citations (Scopus)

Fully non-inductive second harmonic electron cyclotron plasma ramp-up in the QUEST spherical tokamak

Idei, H., Kariya, T., Imai, T., Mishra, K., Onchi, T., Watanabe, O., Zushi, H., Hanada, K., Qian, J., Ejiri, A., Alam, M. M., Nakamura, K., fujisawa, A., Nagashima, Y., Hasegawa, M., Matsuoka, K., Fukuyama, A., Kubo, S., Shimozuma, T., Yoshikawa, M. & 8 others, Sakamoto, M., Kawasaki, S., Nakashima, H., Higashijima, A., Ide, S., Maekawa, T., Takase, Y. & Toi, K., Oct 5 2017, In : Nuclear Fusion. 57, 12, 126045.

Research output: Contribution to journalArticle

plasma currents
ramps
cyclotrons
harmonics
electrons
5 Citations (Scopus)

How pattern is selected in drift wave turbulence: Role of parallel flow shear

Kosuga, Y., Dec 1 2017, In : Physics of Plasmas. 24, 12, 122305.

Research output: Contribution to journalArticle

parallel flow
turbulence
shear
velocity modulation
self focusing
4 Citations (Scopus)

How turbulence fronts induce plasma spin-up

Kosuga, Y., Itoh, S., Diamond, P. H. & Itoh, K., Mar 29 2017, In : Physical Review E. 95, 3, 031203.

Research output: Contribution to journalArticle

Turbulence
Plasma
Momentum
turbulence
momentum
4 Citations (Scopus)

Hysteresis and fast timescales in transport relations of toroidal plasmas

Itoh, K., Itoh, S. I., Ida, K., Inagaki, S., Kamada, Y., Kamiya, K., Dong, J. Q., Hidalgo, C., Evans, T., Ko, W. H., Park, H., Tokuzawa, T., Kubo, S., Kobayashi, T., Kosuga, Y., Sasaki, M., Yun, G. S., Song, S. D., Kasuya, N., Nagashima, Y. & 6 others, Moon, C., Yoshinuma, M., Makino, R., Tsujimura, T., Tsuchiya, H. & Stroth, U., Jul 28 2017, In : Nuclear Fusion. 57, 10, 102021.

Research output: Contribution to journalArticle

toroidal plasmas
hysteresis
heating
plasma loss
harmonics

Impact property of low-activation vanadium alloy NIFS-HEAT-2 after electron beam welding and neutron irradiation

Nagasaka, T., Fu, H., Kometani, N., Miyazawa, T., Muroga, T., Watanabe, H., Yamazaki, M. & Toyama, T., Nov 1 2017, In : Fusion Science and Technology. 72, 4, p. 645-651 7 p.

Research output: Contribution to journalArticle

vanadium alloys
electron beam welding
Vanadium alloys
Electron beam welding
Neutron irradiation
7 Citations (Scopus)

Investigation of hydrogen recycling in long-duration discharges and its modification with a hot wall in the spherical tokamak QUEST

Hanada, K., Yoshida, N., Honda, T., Wang, Z., Kuzmin, A., Takagi, I., Hirata, T., Oya, Y., Miyamoto, M., Zushi, H., Hasegawa, M., Nakamura, K., fujisawa, A., Idei, H., Nagashima, Y., Watanabe, O., Onchi, T., Kuroda, K., Long, H., Watanabe, H. & 7 others, Tokunaga, K., Higashijima, A., Kawasaki, S., Nagata, T., Takase, Y., Fukuyama, A. & Mitarai, O., Oct 26 2017, In : Nuclear Fusion. 57, 12, 126061.

Research output: Contribution to journalArticle

recycling
hydrogen
wall temperature
hydrogen fuels
maintenance
3 Citations (Scopus)

Measurement of electron density and temperature using laser Thomson scattering in PANTA

Tomita, K., Sato, Y., Bolouki, N., Shiraishi, T., Uchino, K., Miwa, Y., Kobayashi, T. & Shigeru, I., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401018.

Research output: Contribution to journalArticle

Thomson scattering
assembly
turbulence
electron energy
lasers
3 Citations (Scopus)

Measurement of thickness of film deposited on the plasma-facing wall in the QUEST tokamak by colorimetry

Wang, Z., Hanada, K., Yoshida, N., Shimoji, T., Miyamoto, M., Oya, Y., Zushi, H., Idei, H., Nakamura, K., fujisawa, A., Nagashima, Y., Hasegawa, M., Kawasaki, S., Higashijima, A., Nakashima, H., Nagata, T., Kawaguchi, A., Fujiwara, T., Araki, K., Mitarai, O. & 3 others, Fukuyama, A., Takase, Y. & Matsumoto, K., Sep 1 2017, In : Review of Scientific Instruments. 88, 9, 093502.

Research output: Contribution to journalArticle

colorimetry
Colorimetry
Facings
Plasmas
radioactive materials
3 Citations (Scopus)

Mesoscale electric fluctuations interacting with zonal flows, magnetic fluctuations and turbulence

HL-2A team, Jun 5 2017, In : Nuclear Fusion. 57, 7, 076036.

Research output: Contribution to journalArticle

turbulence
low frequencies
synchronism
acoustics
entrainment
1 Citation (Scopus)

Method for estimating harmonic frequency dependence of diffusion coefficient and convective velocity in heat pulse propagation experiment

Kobayashi, T., Itoh, K., Ida, K., Shigeru, I. & Itoh, S., Jul 15 2017, In : journal of the physical society of japan. 86, 7, 074501.

Research output: Contribution to journalArticle

estimating
diffusion coefficient
harmonics
heat
dummies
1 Citation (Scopus)

Model validation for radial electric field excitation during L-H transition in JFT-2M tokamak

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S., Miura, Y., Nagashima, Y., fujisawa, A., Shigeru, I., Ida, K. & Hoshino, K., Mar 10 2017, In : Nuclear Fusion. 57, 7, 072005.

Research output: Contribution to journalArticle

electric fields
excitation
convection currents
Reynolds stress
Poisson equation
4 Citations (Scopus)

Multiple-instabilities in magnetized plasmas with density gradient and velocity shears

Sasaki, M., Kasuya, N., Toda, S., Yamada, T., Kosuga, Y., Arakawa, H., Kobayashi, T., Shigeru, I., fujisawa, A., Nagashima, Y., Itoh, K. & Itoh, S., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401042.

Research output: Contribution to journalArticle

shear
gradients
energy sources
free energy

Nonlinear coupling of driftwaves and high frequency fluctuation on PANTA

Hasamada, K., Kosuga, Y., Kin, F., Shigeru, I., Nagashima, Y., Kobayashi, T., Sasaki, M., Kasuya, N., Yamasaki, K., Itoh, S., Itoh, K. & fujisawa, A., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201034.

Research output: Contribution to journalArticle

low frequencies
2 Citations (Scopus)

Observation of subcritical geodesic acoustic mode excitation in the large helical device

Ido, T., Itoh, K., Lesur, M., Osakabe, M., Shimizu, A., Ogawa, K., Nishiura, M., Yamada, I., Yasuhara, R., Kosuga, Y., Sasaki, M., Ida, K., Shigeru, I. & Itoh, S., Apr 19 2017, In : Nuclear Fusion. 57, 7, 072009.

Research output: Contribution to journalArticle

acoustics
excitation
thresholds
seeds
actuators
6 Citations (Scopus)

On the application of cross bispectrum and cross bicoherence

Itoh, S., Itoh, K., Nagashima, Y. & Kosuga, Y., Jan 1 2017, In : Plasma and Fusion Research. 12, 1101003.

Research output: Contribution to journalArticle

plasma turbulence
turbulence
interactions
momentum
energy
1 Citation (Scopus)

On the p scaling of intrinsic rotation in C-Mod plasmas with edge transport barriers

Rice, J. E., Hughes, J. W., Diamond, P. H., Cao, N., Chilenski, M. A., Hubbard, A. E., Irby, J. H., Kosuga, Y., Lin, Y., Metcalf, I. W., Reinke, M. L., Tolman, E. A., Victora, M. M., Wolfe, S. M. & Wukitch, S. J., Jul 28 2017, In : Nuclear Fusion. 57, 11, 116004.

Research output: Contribution to journalArticle

Mach number
scaling
extrapolation
confidence
temperature gradients
11 Citations (Scopus)

Overview of recent HL-2A experiments

Duan, X. R., Liu, Y., Xu, M., Yan, L. W., Xu, Y., Song, X. M., Dong, J. Q., Ding, X. T., Chen, L. Y., Lu, B., Liu, D. Q., Rao, J., Xuan, W. M., Yang, Q. W., Zheng, G. Y., Zou, X. L., Liu, Y. Q., Zhong, W. L., Zhao, K. J., Ji, X. Q. & 45 others, Mao, W. C., Wang, Q. M., Li, Q., Cao, J. Y., Cao, Z., Lei, G. J., Zhang, J. H., Li, X. D., Bai, X. Y., Cheng, J., Chen, W., Cui, Z. Y., Delpech, L., Diamond, P. H., Dong, Y. B., Ekedahl, A., Hoang, T., Huang, Y., Ida, K., Itoh, K., Itoh, S., Isobe, M., Shigeru, I., Mazon, D., Morita, S., Peysson, Y., Shi, Z. B., Wang, X. G., Xiao, G. L., Yu, D. L., Yu, L. M., Zhang, Y. P., Zhou, Y., Cui, C. H., Feng, B. B., Huang, M., Li, Y. G., Li, B., Li, G. S., Li, H. J., Li, Q., Peng, J. F., Wang, Y. Q., Yuan, B. S. & Liu, Y., Jun 28 2017, In : Nuclear Fusion. 57, 10, 102013.

Research output: Contribution to journalArticle

beam injection
molecular beams
perturbation
impurities
reflectometers
1 Citation (Scopus)

Permutation entropy and statistical complexity in characterising low-aspect-ratio reversed-field pinch plasma

Onchi, T., fujisawa, A., Sanpei, A., Himura, H. & Masamune, S., Apr 6 2017, In : Physica Scripta. 92, 5, 055601.

Research output: Contribution to journalArticle

plasma pinch
low aspect ratio
permutations
Aspect Ratio
Permutation
phase coherence
chaos
Markov processes
direct numerical simulation
projection
7 Citations (Scopus)

Phenomenological classification of turbulence states in linear magnetized plasma PANTA

Kobayashi, T., Shigeru, I., Sasaki, M., Kosuga, Y., Arakawa, H., Kin, F., Yamada, T., Nagashima, Y., Kasuya, N., fujisawa, A., Itoh, S. & Itoh, K., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401019.

Research output: Contribution to journalArticle

turbulence
field strength
waveforms
occurrences
magnetic fields

Plasma equilibrium based on RF-driven current profile without assuming nested magnetic surfaces on QUEST

Nakamura, K., Alam, M. M., Jiang, Y. Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T. & 1 others, Fukuyama, A., Nov 1 2017, In : Fusion Engineering and Design. 123, p. 532-534 3 p.

Research output: Contribution to journalArticle

Plasmas
Orbits
Hamiltonians
MATLAB
Current density

Radially distributed instabilities and nonlinear process to generate pressure variation in a torus plasma

Kasuya, N. & Yagi, M., Jan 1 2017, In : Plasma and Fusion Research. 12, 1, 1303005.

Research output: Contribution to journalArticle

modulation
quasi-steady states
propagation
ballistics
coupled modes
8 Citations (Scopus)

Reassessment of oxidation-induced amorphization and dissolution of Nb precipitates in Zr−Nb nuclear fuel cladding tubes

Matsukawa, Y., Kitayama, S., Murakami, K., Shinohara, Y., Yoshida, K., Maeno, H., Yang, H. L., Toyama, T., Yasuda, K., Watanabe, H., Kimura, A., Muta, H., Yamanaka, S., Li, Y. F., Satoh, Y., Kano, S. & Abe, H., Apr 1 2017, In : Acta Materialia. 127, p. 153-164 12 p.

Research output: Contribution to journalArticle

Nuclear fuel cladding
Amorphization
Precipitates
Dissolution
Oxidation
1 Citation (Scopus)

Response of plasma toroidal flow to the transition between nested and stochastic magnetic field in LHD

The LHD Experiment Group, May 31 2017, In : Nuclear Fusion. 57, 7, 076032.

Research output: Contribution to journalArticle

toroidal plasmas
shear
magnetic fields
beam injection
healing
2 Citations (Scopus)

Role of phase space structures in collisionless drift wave turbulence and impact on transport modeling

Kosuga, Y., Itoh, S., Diamond, P. H., Itoh, K. & Lesur, M., Mar 10 2017, In : Nuclear Fusion. 57, 7, 072006.

Research output: Contribution to journalArticle

turbulence
wave-particle interactions
fusion
distribution functions
deviation
4 Citations (Scopus)

Spatial distribution of atomic and ion hydrogen flux and its effect on hydrogen recycling in long duration confined and non-confined plasmas

Kuzmin, A., Zushi, H., Takagi, I., Sharma, S. K., Kobayashi, M., Hirooka, Y., Onchi, T., Hanada, K., Yoshida, N., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Hasegawa, M., Mutoh, T., Mishra, K. & Ohwada, H., Aug 2017, In : Nuclear Materials and Energy. 12, p. 627-632 6 p.

Research output: Contribution to journalArticle

hydrogen ions
recycling
Spatial distribution
Protons
Recycling
4 Citations (Scopus)

Temporal-spatial structures of plasmas flows and turbulence around tearing mode islands in the edge tokamak plasmas

Zhao, K. J., Nagashima, Y., Li, F. M., Shi, Y., Diamond, P. H., Dong, J. Q., Itoh, K., Itoh, S., Zhuang, G., Liu, H., Chen, Z. P., Cheng, J., Nie, L., Ding, Y. H., Hu, Q. M., Chen, Z. Y., Rao, B., Cheng, Z. F., Gao, L., Zhang, X. Q. & 12 others, Yang, Z. J., Wang, N. C., Wang, L., Jin, W., Yan, W., Xu, J. Q., Wu, Y. F., Yan, L. W., fujisawa, A., Shigeru, I., Kosuga, Y. & Sasaki, M., Sep 12 2017, In : Nuclear Fusion. 57, 12, 126006.

Research output: Contribution to journalArticle

plasma turbulence
magnetohydrodynamic flow
magnetic islands
electrostatic probes
quadrupoles
8 Citations (Scopus)

Topological bifurcation of helical flows in magnetized plasmas with density gradient and parallel flow shear

Sasaki, M., Kasuya, N., Itoh, K., Toda, S., Yamada, T., Kosuga, Y., Nagashima, Y., Kobayashi, T., Arakawa, H., Yamasaki, K., fujisawa, A., Shigeru, I. & Itoh, S., Nov 1 2017, In : Physics of Plasmas. 24, 11, 112103.

Research output: Contribution to journalArticle

helical flow
parallel flow
shear
gradients
turbulence
4 Citations (Scopus)

Toroidal momentum channeling of geodesic acoustic modes driven by fast ions

Sasaki, M., Kasuya, N., Itoh, K., Kosuga, Y., Lesur, M., Hallatschek, K. & Itoh, S., Mar 1 2017, In : Nuclear Fusion. 57, 3, 036025.

Research output: Contribution to journalArticle

momentum
acoustics
ions
eigenvectors
knobs