Zobrazeno 101 - 110
of 1 089
pro vyhledávání: '"S. Masuzaki"'
Autor:
A Sagara, S Masuzaki, T Morisaki, S Morita, H Funaba, M Goto, Y Nakamura, K Nishimura, N Noda, M Shoji, H Suzuki, A Takayama, A Komori, N Ohyabu, O Motojima, K Morita, K Ohya, J.P Sharpe, null LHD Experimental Group
Publikováno v:
Journal of Nuclear Materials. :1-10
Divertor footprints have been identified within a few mm in accuracy after 10 000 shots. This is the large merit of the large helical device divertor for erosion/deposition studies due to high reproducibility with an external superconducting coils sy
Autor:
K. Nishimura, K. Kawahata, K. Narihara, T. Morisaki, S. Masuzaki, S. Sakakibara, K. Tanaka, null LHD Experimental Group
Publikováno v:
Journal of Nuclear Materials. :952-955
Plasma discharges in the Large Helical Device are normally open helical divertor discharges. To compare limiter discharges with open divertor discharges and to examine the role of the peripheral region, a radial movable limiter, whose head was made o
Autor:
T HINO, Y NOBUTA, Y YAMAUCHI, Y HIROHATA, A SAGARA, S MASUZAKI, N INOUE, N NODA, O MOTOJIMA, null LHDEXPERIMENTALGROUP
Publikováno v:
Journal of Nuclear Materials. :167-171
For the third experimental campaign of LHD, graphite tiles were installed in entire region of divertor strike region. Several material probes of SS 316L and graphite were placed along the poloidal direction at #7 toroidal sector. These probes were ex
Publikováno v:
Journal of Nuclear Materials. :696-700
The first reliable measurement of ion temperature in the divertor plasma of the Large Helical Device has been done by using an ion sensitive probe. The satisfactory current–voltage characteristics of the ion collector for evaluating the ion tempera
Akademický článek
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Autor:
S. Morita, M. Goto, S. Kubo, S. Murakami, K. Narihara, M. Osakabe, T. Seki, Y. Takeiri, K. Tanaka, H. Yamada, H. Funaba, H. Idei, K. Ida, K. Ikeda, S. Inagaki, O. Kaneko, K. Kawahata, A. Komori, R. Kumazawa, S. Masuzaki, J. Miyazawa, T. Morisaki, O. Motojima, S. Muto, T. Mutoh, Y. Nagayama, Y. Nakamura, K. Nishimura, S. Ohdachi, N. Ohyabu, Y. Oka, T. Ozaki, B.J. Peterson, S. Sakakibara, R. Sakamoto, M. Sasao, K. Sato, T. Shimozuma, M. Shoji, H. Suzuki, K. Toi, T. Tokuzawa, K. Tsumori, K.Y. Watanabe, T. Watari, I. Yamada, LHD Experimental Group
Publikováno v:
Nuclear Fusion. 42:1179-1183
Ion temperature at the plasma centre has been measured from Doppler broadening of Ti XXI (2.61 A) and Ar XVII (3.95 A) x-ray lines using a newly installed crystal spectrometer with CCD detector in ECH, NBI and ICRF plasmas of Large Helical Device (LH
Autor:
Y Nakamura, Y Takeiri, B J Peterson, S Muto, K Ida, H Funaba, M Yokoyama, K Narihara, Y Nagayama, S Inagaki, T Tokuzawa, S Morita, M Goto, K Sato, M Osakabe, S Masuzaki, H Suzuki, R Kumazawa, T Mutoh, T Shimozuma, M Sato, N Noda, K Kawahata, N Ohyabu, O Motojima, LHD Experimental Group
Publikováno v:
Plasma Physics and Controlled Fusion. 44:2121-2134
Intrinsic impurity behaviour in neutral beam heated LHD long pulse discharges with a discharge duration of 10 s was investigated. Spectroscopic and bolometric measurements showed a remarkable temporal increase of core radiation due to metallic impuri
Autor:
S. Masuzaki, T. Morisaki, N. Ohyabu, A. Komori, H. Suzuki, N. Noda, Y. Kubota, R. Sakamoto, K. Narihara, K. Kawahata, K. Tanaka, T. Tokuzawa, S. Morita, M. Goto, M. Osakabe, T. Watanabe, Y. Matsumoto, O. Motojima, the LHD Experimental group
Publikováno v:
Nuclear Fusion. 42:750-758
Divertor plasma characteristics in the Large Helical Device (LHD) have been investigated mainly by using Langmuir probes. The three-dimensional structure of the helical divertor, which is naturally produced in the heliotron-type magnetic configuratio