Zobrazeno 1 - 10
of 3 982
pro vyhledávání: '"negative ion"'
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3961-3968 (2024)
The Korea Atomic Energy Research Institute (KAERI) is developing a novel Two-Region Arc Plasma Ion Source (TRAP) as a negative hydrogen (deuterium) ion source for a Neutral Beam Injection (NBI) system in a fusion tokamak. The TRAP ion source is based
Externí odkaz:
https://doaj.org/article/07226e1d4cb14732ad236872603d0676
Publikováno v:
南方能源建设, Vol 11, Iss 3, Pp 81-86 (2024)
[Introduction] High energy, strong current, and long pulse neutral beam negative ion source technology are one of the core technologies for achieving combustion conditions in magnetic confinement fusion reactor plasma. To meet the beam diagnostic req
Externí odkaz:
https://doaj.org/article/3f2f599e48fd40f884cb9b7e4de94dab
Autor:
Yalong Yang, Yong Wu, Lizhen Liang, Jianglong Wei, Rui Zhang, Yahong Xie, Wei Liu, Chundong Hu
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 4, Pp 1145-1152 (2024)
To realize an initial objective of the negative ion-based neutral beam injection (N-NBI) at the Comprehensive Research Facility for Fusion Technology (CRAFT) test facility, which targets an H0 beam power of 2 MW at an energy of 200–400 keV and a pu
Externí odkaz:
https://doaj.org/article/7442ddb571444d7799cd38b6a4eeb426
Autor:
Heng Li, Xin Zhang, Yuhong Xu, Guangjiu Lei, Sanqiu Liu, Zilin Cui, Jun Hu, Yiqin Zhu, Xiaolong Li, Xiaoqiao Liu, Huaqing Zheng, Shaofei Geng, Xiaochang Chen, Haifeng Liu, Xianqu Wang, Hai Liu, Changjian Tang
Publikováno v:
Nuclear Materials and Energy, Vol 41, Iss , Pp 101738- (2024)
The efficiency of hydrogen negative ion production in negative ion sources depends on the work function of the molybdenum surface. Deposition of cesium (Cs) atoms on the Mo surface reduces the work function from over 4.0 eV to about 1.50–1.80 eV. H
Externí odkaz:
https://doaj.org/article/8f87f70679ee445ab67f648b7c5c8623
Autor:
Yongjian Xu, Yuwen Yang, Jianglong Wei, Ling Yu, Wen Deng, Rixin Wang, Yuming Gu, Chundong Hu, Yahong Xie
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 2, Pp 546-551 (2024)
As an effective methods of plasma heating, neutral beam injection (NBI) systems based on negative hydrogen ion sources will be utilized in future magnetic-confinement nuclear fusion experiments. Because of the collisions between the fast negative ion
Externí odkaz:
https://doaj.org/article/e8bb09dcd2ce4f29917b48cb43a4763c
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
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Publikováno v:
Agriculture, Vol 14, Iss 9, p 1435 (2024)
The current study aimed to create an electrostatic window screen to keep stable flies and houseflies out of cattle barns. The screen comprised three identical framed metal nets arranged in parallel at specific intervals. The central net was connected
Externí odkaz:
https://doaj.org/article/a37dffbeb6a743658f63eca2857e418c
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 3, Pp 939-946 (2023)
Comprehensive Research Facility for Fusion Technology (CRAFT) is an integration of different demonstrating or testing facilities, which aim to develop the critical technology or composition system towards the fusion reactor. Due to the importance and
Externí odkaz:
https://doaj.org/article/28bc4c21abf54602a27256d61fef2adc
Publikováno v:
Nuclear Fusion, Vol 64, Iss 5, p 056035 (2024)
One of the requirements of Heating and current drive Neutral Beam injectors for ITER is a beam homogeneity greater than 90%, to achieve an optimal beam transmission while keeping the heat load consistently low on the acceleration electrodes. The larg
Externí odkaz:
https://doaj.org/article/37bef9b1137841b6aab0754065541df6