Zobrazeno 1 - 10
of 1 089
pro vyhledávání: '"S. Masuzaki"'
Autor:
K. Mukai, G. Kawamura, S. Masuzaki, Y. Hayashi, H. Tanaka, B.J. Peterson, T. Oishi, C. Suzuki, M. Kobayashi, K. Munechika
Publikováno v:
Nuclear Materials and Energy, Vol 33, Iss , Pp 101294- (2022)
Three-dimensionally localization of radiative cooling due to nitrogen (N2) seeding for divertor detachment was detected experimentally. Since the localization along some magnetic field lines induces toroidal asymmetry of heat load reduction on divert
Externí odkaz:
https://doaj.org/article/fced8512f2694bca8637fc6d44df50ab
Publikováno v:
Nuclear Materials and Energy, Vol 33, Iss , Pp 101257- (2022)
Tungsten migration in the open divertor region in the Large Helical Device is analyzed for validating the three-dimensional plasma-wall interaction simulation code ERO2.0. The ERO2.0 simulation reproduced the measurement of localized tungsten migrati
Externí odkaz:
https://doaj.org/article/19e3b79c07cc4652ad1505ba8a5d9355
Publikováno v:
Nuclear Materials and Energy, Vol 33, Iss , Pp 101236- (2022)
A reliable technique for creating joints between tungsten (W) and Reduced Activated Ferritic/Martensitic (RAFM) steel with a pure-copper (Cu) interlayer (W/Cu/RAFM steel) has been explored for developing the heat removal component in the baffle and d
Externí odkaz:
https://doaj.org/article/2b1ab91c80c84b48ba473a81b2098817
Publikováno v:
Nuclear Materials and Energy, Vol 29, Iss , Pp 101084- (2021)
To identify the cause for an enhanced D retention in RAFM (reduced-activation ferritic/martensitic) steels with decreasing incident D fluence, ϕD, CLAM steel samples were exposed to D plasma at a low ϕD ∼ 3 × 1023 m−2 in the PISCES-A linear pl
Externí odkaz:
https://doaj.org/article/1dafe7cffdaa42fab845474a5e654e4b
Publikováno v:
Nuclear Materials and Energy, Vol 27, Iss , Pp 100906- (2021)
In the Large Helical Device (LHD), the first deuterium plasma experiment was conducted in 2017. To investigate tritium migration in the LHD vacuum vessel, long-term material probes were installed on the first wall before the deuterium plasma experime
Externí odkaz:
https://doaj.org/article/a9dfb4a701b94cb39b51870d5e137bd6
Publikováno v:
Nuclear Materials and Energy, Vol 26, Iss , Pp 100884- (2021)
To reveal the triton transport and the tritium migration in a deuterium plasma experiment in the Large Helical Device (LHD), the distribution of the remaining tritium in divertor tiles made of graphite after the first deuterium plasma experimental ca
Externí odkaz:
https://doaj.org/article/f9c5f63fa87944d9822be52ff56c7064
Autor:
B.J. Peterson, G. Kawamura, P.L. van de Giessen, K. Mukai, H. Tanaka, R. Sano, S.N. Pandya, S.Y. Dai, S. Masuzaki, T. Akiyama, M. Kobayashi, M. Goto, G. Motojima, R. Sakamoto, N. Ohno, T. Morisaki, J. Miyazawa
Publikováno v:
Nuclear Materials and Energy, Vol 26, Iss , Pp 100848- (2021)
N2 gas has been seeded in the Large Helical Device (LHD) to reduce the divertor heat load through enhanced radiation. Radiation is observed by two imaging bolometers, viewing the same poloidal cross-section from top and bottom ports, at a location wh
Externí odkaz:
https://doaj.org/article/e5c72c2a880244b4b9cebf3e86e28e90
Autor:
S.E. Lee, Y. Hatano, M. Tokitani, S. Masuzaki, Y. Oya, T. Otsuka, N. Ashikawa, Y. Torikai, N. Asakura, H. Nakamura, K. Isobe, H. Kurotaki, D. Hamaguchi, T. Hayashi, A. Widdowson, S. Jachmich, J. Likonen, M. Rubel
Publikováno v:
Nuclear Materials and Energy, Vol 26, Iss , Pp 100930- (2021)
Nondestructive analysis of tritium (T) distribution was performed by means of imaging plate technique on specimens cut from the Be limiters, W-coated carbon tiles and bulk W lamellae retrieved from the JET tokamak after the first and third experiment
Externí odkaz:
https://doaj.org/article/91fd4569e63442cdb548b894498d7650
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss , Pp 195-199 (2019)
We have measured extreme ultraviolet (EUV) and soft X-ray emission spectra of krypton (Kr) ions in the Large Helical Device (LHD) plasmas with Kr gas seeding intended for mitigating divertor heat loads. Several isolated lines or quasi-continuum bands
Externí odkaz:
https://doaj.org/article/b6eb73fdbaa3452b898a0994573fffa2
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss , Pp 378-383 (2019)
Divertor particle flux signals on divertor plates were analyzed with the multivariable analysis technique, namely, proper orthogonal decomposition (POD), to characterize the indefinite divertor footprint in the Large Helical Device. To verify whether
Externí odkaz:
https://doaj.org/article/fc63f932e9b3421eab86ebb96202c5cd