Zobrazeno 1 - 10
of 314
pro vyhledávání: '"T. Ohga"'
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B1, Pp 63-68 (2016)
Digital oblique aerial camera (hereinafter called “oblique cameras”) is an assembly of medium format digital cameras capable of shooting digital aerial photographs in five directions i.e. nadir view and oblique views (forward and backward, left a
Externí odkaz:
https://doaj.org/article/7bbf151a00c54d46bbed4c6adff579db
Autor:
M. Kawai, Makoto Matsukawa, K. Kikuchi, M. Komata, M. Kazawa, Fuminori Okano, M. Kamada, T. Takenouchi, Y. Tanai, N. Ebisawa, N. Akino, Mitsuru Kikuchi, Naotaka Umeda, Hiroshi Tamai, Yujiro Ikeda, K. Oshima, K. Noto, A. Honda, T. Ohga, Kazuhiro Watanabe, Masaya Hanada, Takashi Inoue, K. Mogaki, K. Usui, H. Yamazaki
Publikováno v:
Fusion Engineering and Design. 82:791-797
Modification of JT-60U to a superconducting device (so called JT-60SA) has been planned to contribute to ITER and DEMO. The NBI system is required to inject D 0 beams of 34 MW for 100 s. The upgraded NBI system for JT-60SA consists of 12 positive-ion
Publikováno v:
Journal of Marine Systems. 66:47-60
Field observations were carried out at a sea observation tower to investigate how whitecap coverage on the ocean surface responds to wave-field conditions. Images of whitecaps were taken for every 4 h or 7 h in the daytime using a 3CCD digital video
Autor:
K. Noto, K. Oshima, M. Kazawa, N. Ebisawa, T. Takenouchi, Mikito Kawai, M. Komata, A. Honda, Naotaka Umeda, F. Okano, Takumi Yamamoto, Takashi Inoue, Larry R. Grisham, K. Kikuchi, K. Usui, N. Akino, T. Ohga, M. Hanada, Y. Tanai, Y. Ikeda, K. Mogaki, H. Yamazaki
Publikováno v:
Nuclear Fusion. 46:S211-S219
The 500 keV negative-ion based neutral beam injector for JT-60U started operations in 1996. The availability of the negative ion based neutral beam injection system has been improved gradually by modifying the ion source and optimizing its operation
Autor:
N. Umeda, N. Akino, T. Ohga, M. Kazawa, Mikito Kawai, M. Hanada, T. Yamamoto, Takashi Inoue, Larry R. Grisham, H. Yamazaki, K. Mogaki, Y. Ikeda, K. Kikuchi, Kazuhiro Watanabe
Publikováno v:
Fusion Engineering and Design. 74:385-390
In the negative ion based neutral beam injector (N-NBI) for JT-60U, an extension of the pulse duration up to 30 s has been intended to study quasi-steady state plasmas, where the NBI pulse duration is significantly longer than the plasma current diff
Autor:
N. Ebisawa, K. Usui, N. Akino, Y. Ikeda, T. Ohga, K. Mogaki, T. Yamamoto, M. Kazawa, Mikito Kawai, L. Grisham, N. Umeda, A. Honda
Publikováno v:
Fusion Science and Technology. 47:758-762
In the neutral beam injection (NBI) system, an extension of the pulse duration up to 30 sec has been intended to study quasi-steady state plasma on JT-60U. The four positive-ion based (P-NBI) units, which tangentially inject neutral beam to plasma, w
Autor:
K. Kikuchi, K. Usui, K. Noto, Kazuhiro Watanabe, N. Ebisawa, M. Hanada, N. Akino, N. Umeda, K. Mogaki, Masaaki Kuriyama, M. Kazawa, Mikito Kawai, Larry R. Grisham, K. Ooshima, Takashi Inoue, H. Yamazaki, N. Kusanagi, T. Ohga, A. Honda, Takumi Yamamoto, Y. Tanai
Publikováno v:
Fusion Science and Technology. 44:508-512
The negative-ion based neutral beam injection system developed by JAERI for JT-60U has been intended to generate a 500 keV and 10 MW beam for 10 seconds with two ion sources. Technical efforts to d...
Autor:
T. Morishita, Masaaki Kuriyama, L. Guangjiu, N. Umeda, K. Usui, Kazuhiro Watanabe, A. Honda, Larry R. Grisham, M. Hanada, Mikito Kawai, M. Kashiwagi, Takashi Inoue, Takumi Yamamoto, M. Dairaku, K. Mogaki, N. Akino, T. Takayanagi, T. Ohga, H. Yamazaki
Publikováno v:
Nuclear Fusion. 43:522-526
The injection performance of the negative-ion based NBI (N-NBI) system for JT-60U has been improved by correcting beamlet deflection and improving spatial uniformity of negative ion production. Beamlet deflection at the peripheral region of the grid
Operation and Development of the 500-keV Negative-Ion-Based Neutral Beam Injection System for JT-60U
Autor:
N. Akino, M. Kazawa, Mikito Kawai, Yamamoto Masahiro, T. Itoh, H. Oohara, A. Honda, N. Ebisawa, K. Mogaki, Yoshihiro Ohara, Takumi Yamamoto, Yoshikazu Okumura, Masaaki Kuriyama, N. Umeda, Kazuhiro Watanabe, T. Ohga, K. Usui, L. Grisham
Publikováno v:
Fusion Science and Technology. 42:410-423
The 500-keV negative-ion based neutral beam injector for JT-60U started operation in 1996. The beam power has been increased gradually through optimizing operation parameters of the ion sources and conquering many troubles in the ion source and power
Autor:
H. Oohara, Mikito Kawai, Yamamoto Masahiro, N. Ebisawa, N. Akino, T. Itoh, K. Mogaki, N. Umeda, T. Ohga, Takumi Yamamoto, A. Honda, Mamoru Matsuoka, K. Usui, Masaaki Kuriyama
Publikováno v:
Fusion Science and Technology. 42:424-434
The positive-ion based neutral beam injection (NBI) system for JT-60, which consists of 14 beamline units and has a beam energy of 70 to 100 keV, started operation in 1986 with hydrogen beams and injected a neutral beam power of 27 MW at 75 keV into