Search Results - "Kaminaga, A."

Assembly technologies of the Vacuum Vessel on JT-60SA with high accuracy by Shibama, Y., Masaki, K., Sakasai, A., Hanada, M., Okano, F., Yagyu, J., Ichige, H., Miyo, Y., Kaminaga, A., Sasajima, T., Nishiyama, T., Sakurai, S., Hasegawa, K., Kizu, K., Tsuchiya, K., Koide, Y., Yoshida, K., Alonso, J., Botija, J., Medrano, M., Rincon, E., Di Pietro, E., Davis, S., Tomarchio, V., Hayakawa, A., Morimoto, T., Ogawa, T., Ejiri, M., Mizumaki, S., Okuyama, T., Asano, S.

“…•Assembly technologies of tokamak are developed to suppress magnetic field error.•Assembly process of over 10-m size components is simulated for each…”
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RF heated wall conditioning discharges in JT-60U by Itami, K., Asakura, N., Tamai, H., Moriyama, S., Kaminaga, A.

“…In series of experiments in 2000 and 2008, helium wall conditioning discharges by ECRF heating (ECH) were extensively studied in JT-60U with B T = 3.6 T and P…”
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Safe disassembly and storage of radioactive components of JT-60U torus by Ikeda, Y., Okano, F., Hanada, M., Sakasai, A., Kubo, H., Akino, N., Chiba, S., Ichige, H., Kaminaga, A., Kiyono, K., Kobayashi, K., Miyo, Y., Nishiyama, T., Sasajima, T., Sukegawa, A.M., Yagyu, J., Yokokura, K.

“…•We describe the results of the JT-60U disassembly activities, including treatment of the radioactivated materials and safety work during 2009–2012.•This…”
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Tritium distribution in JT-60U W-shaped divertor by Masaki, K., Sugiyama, K., Tanabe, T., Gotoh, Y., Miyasaka, K., Tobita, K., Miyo, Y., Kaminaga, A., Kodama, K., Arai, T., Miya, N.

“…Detailed tritium profiles on the JAERI Tokamak-60U (JT-60U) W-shaped divertor and the first wall tiles were examined by a tritium imaging plate technique…”
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Analyses of erosion and re-deposition layers on graphite tiles used in the W-shaped divertor region of JT-60U by Gotoh, Y., Yagyu, J., Masaki, K., Kizu, K., Kaminaga, A., Kodama, K., Arai, T., Tanabe, T., Miya, N.

“…Erosion and re-deposition profiles were studied on graphite tiles used in the W-shaped divertor of JT-60U in June 1997–October 1998 periods, operated with…”
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Characterization of JT-60U exhaust gas during experimental operation by Isobe, K., Nakamura, H., Kaminaga, A., Tsuzuki, K., Higashijima, S., Nishi, M., Kobayashi, Y., Konishi, S.

“…Characterization of Tokamak exhaust gas, gas species and their concentrations, is important for the design of the tritium fuel processing system. The exhaust…”
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Conceptual design of JT-60SA cryostat by Shibama, Y.K., Sakurai, S., Masaki, K., Sukekawa, A.M., Kaminaga, A., Sakasai, A., Matsukawa, M.

“…This paper describes the conceptual design of cryostat for the JT-60SA, which is a research device for the commercial production of electricity from the…”
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Tokamak machine monitoring and control system for JT-60 by Miyo, Y., Yagyu, J., Nishiyama, T., Honda, M., Ichige, H., Kaminaga, A., Sasajima, T., Arai, T., Sakasai, A.

“…The tokamak machine monitoring and control system has been developed to avoid machine damages in JT-60 safety operation. It monitors the JT-60 mechanical…”
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Evaluation of radiation shielding, nuclear heating and dose rate for JT-60 superconducting modification by Morioka, A., Sakasai, A., Masaki, K., Ishida, S., Miya, N., Matsukawa, M., Kaminaga, A., Oikawa, A.

“…The radiation shielding, nuclear heating and dose rate have been evaluated for JT-60 superconducting modification. The double-walled structure of a vacuum…”
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Response of the ferrocyanide-hydrogen peroxide-sulfite system to a pulsed light by Kaminaga, A., Rábai, G., Hanazaki, I.

“…Response of the ferrocyanide-hydrogen peroxide-sulfite system to the pulsed light perturbation has been examined. A pulse light in the visible region induces…”
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In–out asymmetry of low- Z impurity deposition on the JT-60U divertor tiles by Masaki, K, Yagyu, J, Miyo, Y, Gotoh, Y, Arai, T, Hayashi, T, Kodama, K, Sasajima, T, Kaminaga, A, Tanabe, T, Miya, N

“…Low- Z impurity ( 7Be) on the JT-60U divertor tiles was analyzed to study the impurity behavior in the divertor region. The amount of the 7Be increased…”
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Conformation of poly(L-glutamic acid) in aqueous solutions of linear amphiphiles with a cationic group at both ends by KAMIO, K, SAKAI, M, KAMINAGA, A, SATAKE, I, HAYAKAWA, K

“…The conformations of poly(l-glutamic acid) [P(Glu)] in solutions of the bipolar amphiphile 1,20-icosanediylbis(alkylammonium chloride) [C20(RA)^sub 2^], where…”
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Measurement of gaseous impurities in JT-60U by Hosogane, N., Shimada, M., Shimizu, K., Tsuji, S., Matsuyama, S., Kubo, H., Sugie, T., Arai, T., Kaminaga, A., Nakamura, H.

“…Using quadrupole mass analyzers, measurements were made of gaseous impurity pressures at the inner and outer divertor regions and at the mid-plane during…”
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Investigation of plasma facing components in JT-60U operation by Masaki, K., Ando, T., Kodama, K., Arai, T., Neyatani, Y., Yoshino, R., Tsuji, S., Yagyu, J., Kaminaga, A., Sasajima, T., Ouchi, Y., Koike, T., Shimizu, M.

“…The mechanical fracture of three carbon fiber composite (CFC) first wall tiles was observed. This damage was probably caused by the electromagnetic force due…”
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Safe disassembly and storage of radioactive components of JT-60U torus by Ikeda, Y, Okano, F, Kanada, M, Sakasai, A, Kubo, H, Akino, N, Chiba, S, Ichige, H, Kaminaga, A, Kiyono, K

“…Disassembly of the JT-60U torus was started in 2009 after 18 years of D sub(2) operations and was completed in October 2012 for assembling the JT-60SA torus at…”
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Performance of B4C-converted carbon fiber composites in high power neutral beam heated divertor discharges in JT-60U by Ando, T., Masaki, K., Kodama, K., Arai, T., Tsuji, S., Sugie, T., Kubo, H., Higashijima, S., Hosogane, N., Shimada, M., Yagyu, J., Kaminaga, A., Sasajima, T., Ouchi, Y., Koike, T., Shimizu, M.

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Preparation of surfactant anion-selective electrodes with different selectivity coefficients and a trial to determine each component in binary surfactant mixtures by Fukui, Hiroyuki, Kaminaga, Akiko, Maeda, Tamaki, Hayakawa, Katumitu

“…Functional membrane electrodes with different charge densities were prepared from partly cationic poly(vinyl chloride) (PVC) and a plasticizer. The modified…”
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Wavelength halving in a transition between standing waves and traveling waves by KAMINAGA, Akiko, VANAG, Vladimir K, EPSTEIN, Irving R

“…In the Belousov-Zhabotinsky reaction-diffusion system dispersed in a newly developed water-in-oil aerosol OT/Span-20 microemulsion, the transition between…”
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Boronization using deuterated-decaborane in JT-60U by Yagyu, J., Arai, T., Kaminaga, A., Kizu, K., Arai, M., Miya, N.

“…In JT-60U, boronization using hydride-decaborane (B/sub 10/H/sub 14/) vaporization has been conducted for the first wall conditioning. Compared to other…”
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Analysis of exhausted gas in JT-60 deuterium operation by Kaminaga, A., Horikawa, T., Nakamura, H., Isobe, K., Higashijima, S., Arai, T., Miya, N., Tanabe, T.

“…In a nuclear fusion reactor with carbon-based plasma facing material, tritium inventory inside the vacuum vessel is one of the critical problems because the…”
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