Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Kunihiro OGAWA"'
Autor:
Heng Li, Xin Zhang, Yuhong Xu, Guangjiu Lei, Sanqiu Liu, Katsuyoshi Tsumori, Haruhisa Nakano, Masaki Osakabe, Mitsutaka Isobe, Shoichi Okamura, Akihiro Shimizu, Kunihiro Ogawa, Hiromi Takahashi, Zilin Cui, Jun Hu, Yiqin Zhu, Xiaolong Li, Huaqing Zheng, Xiaoqiao Liu, Shaofei Geng, Xiaochang Chen, Haifeng Liu, Xianqu Wang, Hai Liu, Changjian Tang
Publikováno v:
Nuclear Materials and Energy, Vol 38, Iss , Pp 101619- (2024)
Based on the DFT method, the effects of copper and tungsten impurities present in the negative ion source of neutral beams on the cesiated surface were studied, including their effects on the adsorption energy of cesium on the surface and the surface
Externí odkaz:
https://doaj.org/article/ce71495715a34a54955c6c19f61ff53f
Autor:
Heng Li, Xin Zhang, Yuhong Xu, Guangjiu Lei, Sanqiu Liu, Katsuyoshi Tsumori, Haruhisa Nakano, Masaki Osakabe, Mitsutaka Isobe, Shoichi Okamura, Akihiro Shimizu, Kunihiro Ogawa, Hiromi Takahashi, Zilin Cui, Jun Hu, Yiqin Zhu, Xiaolong Li, Huaqing Zheng, Xiaoqiao Liu, Shaofei Geng, Xiaochang Chen, Haifeng Liu, Xianqu Wang, Hai Liu, Changjian Tang, CFQS team
Publikováno v:
Nuclear Materials and Energy, Vol 37, Iss , Pp 101550- (2023)
The impact of H atoms and O impurities on the adsorption stability and work function of cesiated Mo (001) surface are investigated in this paper through DFT calculations. The 53 surface structures with different surface coverages are constructed in t
Externí odkaz:
https://doaj.org/article/2fcd8dfb259c40368540f1b6a5ae8733
Autor:
Katsumi Ida, Tatsuya Kobayashi, Mikirou Yoshinuma, Kenichi Nagaoka, Kunihiro Ogawa, Tokihiko Tokuzawa, Hideo Nuga, Yuto Katoh
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-9 (2022)
Landau damping and transit-time damping are known resonant wave-particle interactions in which energy is transferred from the wave to ions or electrons in the plasma. The authors study collisionless energy transfer in a plasma of deuterium and carbon
Externí odkaz:
https://doaj.org/article/4f6ebdb1c1be44a29ba830423edba6cf
Autor:
Jie Zhang, Yipo Zhang, Wei Chen, Shikui Cheng, Kunihiro Ogawa, Xiaofei He, Yongqin Wang, Yi Liu, Min Xu, Mitsutaka Isobe, Yuxuan Zhu, Xuwen Zhan, Jianhang Zhou, Jinglong Zhang, Liang Liu, Xiaoxue He, Dong Li, Yonggao Li, Wenping Guo, Liming Yu, Guangzhou Hao, Bo Li, Zhongbing Shi, Xiaoquan Ji, Wulv Zhong, the HL-2A Team
Publikováno v:
Nuclear Fusion, Vol 63, Iss 8, p 086014 (2023)
Several sets of energetic particle diagnostics, including a set of neutron flux monitoring systems, a solid-state neutral particle analyzer and a fast ion loss probe (FILP), have been used to investigate the energetic ion losses induced by the long-l
Externí odkaz:
https://doaj.org/article/7f3db45b5da34a59a43d20add23bf1c5
Autor:
Makoto I. Kobayashi, Sachiko Yoshihashi, Kunihiro Ogawa, Mitsutaka Isobe, Misako Miwa, Sho Toyama, Shigeo Matsuyama, Masaki Osakabe
Publikováno v:
Fusion Engineering and Design. 193:113799
Publikováno v:
Journal of Visualization. 25(2):281-292
Intersection points of 1 MeV tritons and the plasma facing wall are visualized in the vacuum vessel of Large Helical Device (LHD) with the divertor plates by the virtual-reality (VR) system. The trajectory of the energetic triton is evaluated by mean
Autor:
Takeo Nishitani, Shigeo Matsuyama, Kunihiro Ogawa, Misako Miwa, Akira Uritani, Sachiko Yoshihashi
Publikováno v:
Takeo Nishitani, Sachiko Yoshihashi, Kunihiro Ogawa, Misako Miwa, Shigeo Matsuyama & Akira Uritani (2022) Neutron yield calculation of thin and thick d-D targets by using PHITS with frag data table, Journal of Nuclear Science and Technology, 59:4, 534-541, DOI: 10.1080/00223131.2021.1981475
The D(d, n)3He reaction is one of the common monoenergetic neutron sources. We compile the Frag Data table of D(d, n)3He reaction from the literature as an external cross-section data for PHITS. We confirm the validity of the Frag Data table by the c
Autor:
Isao Murata, S. Murakami, S. Sangaroon, J. Jo, Kunihiro Ogawa, Mitsutaka Isobe, E. Takada, Yipo Zhang, T. Nakada, G. Q. Zhong, S. Tamaki
Publikováno v:
AAPPS Bulletin, Vol 31, Iss 1, Pp 1-9 (2021)
A middle-sensitivity scintillating fiber detector (hereafter middle Sci-Fi detector) that works at a deuterium-tritium neutron flux of ~105-107 cm−2s−1 was utilized to measure secondary deuterium-tritium neutron emission rates with high temporal
Autor:
Roscoe White, Kunihiro Ogawa
Publikováno v:
Physics of Plasmas. 30(4):042510
Losses of beam ions due to Alfvén modes are simulated for discharges in the Large Helical Device at Toki, Japan, using a guiding center code. High frequency beam particle resonances are found for the equilibria for passing particles, providing locat
Autor:
Guozhen Xiong, Yuhong Xu, Mitsutaka Isobe, Akihiro Shimizu, Kunihiro Ogawa, Shigeyoshi Kinoshita, Haifeng Liu, Xianqu Wang, Jun Cheng, Hai Liu, Jie Huang, Xin Zhang, Yichao Zhang, Dapeng Yin, Anzhu Wang, Shoichi Okamura, Changjian Tang
Publikováno v:
Guozhen Xiong et al 2023 Plasma Phys. Control. Fusion 65 035020
The Chinese first quasi-axisymmetric stellarator (CFQS), which will be the first quasi-axisymmetric (QA) stellarator in the world, is now under construction. The primary task of the CFQS project is to realize a QA configuration and to examine its phy