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Your search keyword '"Akira Ejiri"' showing total 3 results
Start Over Author "Akira Ejiri" Publisher institute of electrical engineers of japan (iee japan)
3 results on '"Akira Ejiri"'

1. X-ray Measurements during Plasma Current Start-up Experiments using the Lower Hybrid Wave on the TST-2 Spherical Tokamak

Author

H. Furui, Osamu Watanabe, Kenji Saito, Fujio Shimpo, Hiroshi Kasahara, Takashi Yamaguchi, Yuichi Takase, Takahiro Hashimoto, Takanori Ambo, Takuma Wakatsuki, Yoshihiko Nagashima, Ryuhei Kumazawa, Ryota Shino, Charles P. Moeller, Hidetoshi Kakuda, Junichi Hiratsuka, M. Sonehara, Tetsuo Seki, Akira Ejiri, Kunihiko Kato, Takahiro Shinya, and Takuya Sakamoto

Subjects
Physics, X-ray, Electrical and Electronic Engineering, Spherical tokamak, Atomic physics, Start up, Lower hybrid oscillation, Plasma current
Published
2012
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2. Fluctuation Measurement Across the Broad Range of the Low-field Side Edge Plasmas in the TST-2 Spherical Tokamak

Author

Yoshihiko Nagashima, Takuma Wakatsuki, Yuichi Takase, M. Sonehara, Akira Ejiri, Takanori Ambo, T. Yamaguchi, Hidetoshi Kakuda, Ryota Shino, Osamu Watanabe, Takuya Sakamoto, and Junichi Hiratsuka

Subjects
Physics, Range (particle radiation), symbols.namesake, Field (physics), Turbulence, symbols, Langmuir probe, Plasma, Electrical and Electronic Engineering, Edge (geometry), Atomic physics, Spherical tokamak
Published
2012
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3. Calculation of Beam Trajectories of a Heavy Ion Beam Probe Diagnostic in the TST-2 Spherical Tokamak

Author

Yoshihiko Nagashima, Akira Ejiri, Akihide Fujisawa, and Yuichi Takase

Subjects
Ion beam, Chemistry, business.industry, Port (circuit theory), Plasma, Spherical tokamak, Core (optical fiber), Heavy ion beam, Optics, Laser beam quality, Electrical and Electronic Engineering, Atomic physics, business, Beam (structure)
Abstract

Installation of a heavy ion beam probe (HIBP) diagnostic in the Tokyo Spherical Tokamak-2 (TST-2) device is considered. Preliminary beam trajectory simulations with Na+ primary beam demonstrate that observations at a number of spatial locations on the poloidal cross-section of a typical TST-2 ohmically heated plasma are possible by selecting a manhole port of TST-2 as a beam receiving port. Beam attenuations are reasonable to consider core plasma measurements.

Published
2009
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