Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Experiment Group, LHD"'
Autor:
M., Isobe, M., Sasao, S., Iiduka, A.V., Krasilnikov, S., Murakami, T., Mutoh, M., Osakabe, S., Sudo, K., Kawahata, N., Ohyabu, O., Motojima, experiment group, LHD
Publikováno v:
Review of Scientific Instruments. 72:611-614
Semiconductor detectors based on natural diamonds have been installed on the Large Helical Device (LHD) heliotron to measure the energy distribution of charge exchange fast neutral particles from different viewing angles. Advantages of a natural diam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37261c57a0976d0ec982397955790cd7
https://doi.org/10.1063/1.1318250
https://doi.org/10.1063/1.1318250
Autor:
K., Toi, F., Watanabe, T., Tokuzawa, K., Ida, S., Morita, T., Ido, A., Shimizu, M., Isobe, K., Ogawa, D. A., Spong, Y., Todo, T., Watari, S., Ohdachi, S., Sakakibara, S., Yamamoto, S., Inagaki, K., Narihara, M., Osakabe, K., Nagaoka, Y., Narushima, K.Y, Watanabe, H., Funaba, M., Goto, K., Ikeda, T., Ito, O., Kaneko, S., Kubo, S., Murakami, T., Minami, J., Miyazawa, Y., Nagayama, M., Nishiura, Y., Oka, R., Sakamoto, T., Shimozuma, Y., Takeiri, K., Tanaka, K., Tsumori, I., Yamada, M., Yoshinuma, K., Kawahata, A., Komori, Experiment Group, LHD
Publikováno v:
Physical Review Letters. 105
Reversed-shear Alfven eigenmodes were observed for the first time in a helical plasma having negative q{sub 0}{sup ''} (the curvature of the safety factor q at the zero shear layer). The frequency is swept downward and upward sequentially via the tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b147be5f7ad1dac34ccd54dfd86e0971
https://doi.org/10.1103/physrevlett.105.145003
https://doi.org/10.1103/physrevlett.105.145003
Autor:
Tetsuo, SEKI, Takashi, MUTOH, Kenji, SAITO, Hiroshi, KASAHARA, Ryosuke, SEKI, Shuji, KAMIO, Goro, NOMURA, Yanping, ZHAO, Sonjong, WANG, Experiment Group, LHD
Publikováno v:
Plasma and Fusion Rearch. 10:3405046
Plasma heating experiment using the ion cyclotron range of frequencies (ICRF) heating has been carried out. Aiming at the high power and long pulse heating and application to the future fusion device, the antenna without Faraday shield was tested and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbc464c61e80326dccd6eca3faf67da6
http://hdl.handle.net/10655/12482
http://hdl.handle.net/10655/12482
Autor:
H., Kasahara, T., Seki, K., Saito, R., Seki, R., Kumazawa, Y., Yoshimura, S., Kubo, T., Shimozuma, H., Igami, H., Takahashi, K., Nagasaki, Y., Ueda, M., Tokitani, N., Ashikawa, M., Shoji, T., Wakatsuki, S., Kamio, H., Tsuchiya, S., Yoshimura, N., Tamura, C., Suzuki, H., Yamada, T., Muto, Experiment Group, LHD
Publikováno v:
Physics of Plasmas. 21:061505
Using a handshake shape (HAS) antenna phasing dipole for ion cyclotron heating (ICH), the heating efficiency was higher than that using a previous poloidal array antenna in the Large Helical Device. In order to sustain the dipole operation, real-time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::292e8fe02a2d856f54751597b6524dd6
https://doi.org/10.1063/1.4884363
https://doi.org/10.1063/1.4884363
Autor:
Masayuki, YOKOYAMA, Ryosuke, SEKI, Chihiro, SUZUKI, Masahiko, EMOTO, Katsumi, IDA, Masaki, OSAKABE, Sadayoshi, MURAKAMI, Yasuhiro, SUZUKI, Shinsuke, SATAKE, Masanori, NUNAMI, Atsushi, FUKUYAMA, Hiroshi, YAMADA, Simulation Research Project, Numerical, Experiment Group, LHD
Publikováno v:
Plasma and Fusion Research. 9:3402017-3402017
An integrated transport analysis suite, TASK3D-a, has been developed with the emphasis on establishing close-link with the LHD experiment database. The suite makes possible energy transport analyses for huge cases, from which the systematic understan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8025b01e78c565bc31fe6fc70436970f
https://doi.org/10.1585/pfr.9.3402017
https://doi.org/10.1585/pfr.9.3402017
Autor:
Yoshiro, NARUSHIMA, Satoru, SAKAKIBARA, Satoshi, OHDACHI, Kiyomasa, WATANABE, Seiya, NISHIMURA, Yasuhiro, SUZUKI, Masaru, FURUKAWA, Yuki, TAKEMURA, Katsumi, IDA, Mikiro, YOSHINUMA, Ichihiro, YAMADA, Experiment Group, LHD
Publikováno v:
Plasma and Fusion Research. 9:1202066-1202066
The hysteretic magnetic island response to an externally applied resonant magnetic perturbation (RMP) field is observed in the LHD. Thresholds of the amplitude of the RMP for the growth/healing transition of the magnetic island differ. In the case th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f283bd65efaabe3cce63d5249c625b5e
https://doi.org/10.1585/pfr.9.1202066
https://doi.org/10.1585/pfr.9.1202066
Autor:
Akihiro, SHIMIZU, Takeshi, IDO, Masaki, NISHIURA, Ryohei, MAKINO, Masayuki, YOKOYAMA, Hiromi, TAKAHASHI, Hiroe, IGAMI, Yasuo, YOSHIMURA, Shin, KUBO, Takashi, SHIMOZUMA, Naoki, TAMURA, Experiment Group, LHD
Publikováno v:
Plasma and Fusion Research. 8(S1):2402122
The temporal evolution of the potential is measured with the heavy ion beam probe (HIBP) in the Large Helical Device (LHD). A rapid change in the potential is observed early in the tangential neutral beam injection (NBI) phase, just after the switch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bd8f6896dd512bf3c4973bd12fd1a60
http://hdl.handle.net/10655/10176
http://hdl.handle.net/10655/10176
Autor:
K., Nagaoka, K., Ida, M., Yoshinuma, Y., Suzuki, K., Kamiya, S., Satake, K., Tanaka, M., Yokoyama, S., Murakami, M., Osakabe, H., Takahashi, R., Seki, C., Suzuki, Y., Narushima, H., Nakano, M., Kisaki, K., Ikeda, K., Tsumori, Y., Takeiri, O., Kaneko, H., Yamada, Experiment Group, LHD
Publikováno v:
Physics of Plasmas. 20:056116
Three-dimensional effects on plasma flows have been experimentally studied in the large helical device with 3D configurations. Spontaneous toroidal flow without net driving force using the combination of perpendicular neutral beam injection (NBI) hea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e27b49a9cac967fccfdbd80eae76b55
https://doi.org/10.1063/1.4807126
https://doi.org/10.1063/1.4807126
Autor:
Tetsutarou, OISHI, Shigeru, MORITA, Chunfeng, DONG, Erhui, WANG, Motoshi, GOTO, Experiment Group, LHD
Publikováno v:
Plasma and Fusion Research. 8:2402093-2402093
Space-resolved vacuum ultraviolet (VUV) spectroscopy using a 3 m normal incidence spectrometer has been developed in the large helical device (LHD) to study plasma transport in the ergodic layer by measuring the spatial profile of VUV lines from impu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6c878d2c4f3d6e65255cc57c8ae4310
https://doi.org/10.1585/pfr.8.2402093
https://doi.org/10.1585/pfr.8.2402093
Autor:
K. Y., Watanabe, S., Masamune, Y., Takemura, H., Funaba, S., Sakakibara, F., Watanabe, K., Tanaka, S., Ohdachi, K., Toi, Y., Narushima, Experiment Group, LHD
Publikováno v:
Physics of Plasmas. 18:056119
Through the experiment data analysis in the large helical device (LHD), the influence of the global MHD instability and the relatively short wave length MHD instabilities driven turbulence on the confinement performance in reactor-relevant high-beta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36b7ee30b4753d7fa37ea38ae0276675
https://doi.org/10.1063/1.3592675
https://doi.org/10.1063/1.3592675