Results 171 to 180 of about 18,093 (183)

Superconductivity and nematic order in a new titanium-based kagome metal CsTi₃Bi₅ without charge density wave order. [PDF]

Nat Commun
Yang H, Ye Y, Zhao Z, Liu J, Yi XW, Zhang Y, Xiao H, Shi J, You JY, Huang Z, Wang B, Wang J, Guo H, Lin X, Shen C, Zhou W, Chen H, Dong X, Su G, Wang Z, Gao HJ.   +20 more
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Impact of Mo⁺² addition and thermal annealing on the surface morphology, electrical transport properties and Mott's parameters of WO₃ films for potential photonic devices.

Heliyon
Alshomar SM, Attia MS, Akl AA, Fathy N, Albaqawi HS, Affan H, Mohamed ES, Amin LG, Mahmoud SA.   +8 more
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Simulation of tungsten target erosion and tungsten impurity transport during argon seeding on EAST

Plasma Physics and Controlled Fusion, 2021
Abstract The upgrade of experimental advanced superconducting tokamak lower divertor to use tungsten (W) target is undertaken, however the target erosion and W impurity accumulation in the core pose a great challenge during high power discharge with external impurity seeding. This paper aims to study the influence
Yilin Wang, Chaofeng Sang, Chen Zhang, Xuele Zhao, Yanjie Zhang, Guozhang Jia, I Yu Senichenkov, Liang Wang, Qingrui Zhou, Dezhen Wang   +9 more
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Neoclassical transport analysis of high rotational trace limit tungsten impurities in KSTAR tokamak

Physics of Plasmas, 2022
The accumulation of tungsten impurities measured in a KSTAR experiment was analyzed theoretically using a drift-kinetic code, NEO, to determine the contribution of neoclassical transport. According to the NEO simulation results, there is a certain value of impurity toroidal rotation speed maximizing the neoclassical inward convection.
Hyojong Lee, Hyeonjun Lee, Yoon Seong Han, Jiheon Song, E. A. Belli, Wonho Choe, Jisung Kang, Jekil Lee, J. Candy, Jungpyo Lee   +9 more
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Transport analysis of tungsten impurity in ITER

Journal of Nuclear Materials, 2003
Abstract The radial distribution of tungsten impurity in ITER is calculated by using the 1.5D transport code TOTAL coupled with NCLASS, which can solve the neo-classical impurity flux considering arbitrary aspect ratio and collisionality. An impurity screening effect is observed when the density profile is flat and the line radiation power is smaller
Y. Murakami, T. Amano, K. Shimizu, M. Shimada   +3 more
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Modelling of tungsten impurity edge transport and screening for different divertor conditions in EAST

Nuclear Fusion, 2022
Abstract Tungsten (W) transport and screening in the edge plasma are investigated for EAST high dissipative divertor conditions. By combining the 1D impurity fluid model (1DImpFM) and the two-point model formatting (2PMF), W screening is proved to be enhanced for high upstream plasma density conditions, mainly because the impurity ...
Hui Wang, Guoliang Xu, Rui Ding, Xiaoju Liu, Hang Si, Qing Zhang, Fang Ding, Dahuan Zhu, Rong Yan, Hai Xie, Lingyi Meng, Liang Wang, Ran Hai, Zhibin Wang, Junling Chen   +14 more
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Tungsten injector for scrape-off layer impurity transport experiments in the Tore Supra tokamak

Review of Scientific Instruments, 2013
This paper describes the design and operation of a new tungsten (W) injection system for impurity transport experiments in the Tore Supra tokamak. The system is mounted on a reciprocating manipulator and injects a controlled amount of gaseous tungsten hexacarbonyl, W(CO)6 at arbitrary depth in the scrape-off layer, using an inertially activated valve ...
Kocan, M., Gunn, J., Lunt, T., Meyer, O., Pascal, J.   +4 more
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Systematic Study of Tungsten Impurity Transport in Representative Regimes of Divertor Plasma

Contributions to Plasma Physics, 2014
AbstractThe tungsten impurity transport has been studied by IMPGYRO code for a model tokamak geometry of JT‐60U tungsten experiments. The background plasma profiles calculated from SOLPS has been used. The density profiles of tungsten are compared between the low background deuterium density (Case A: n = 2.0 × 1019 m–3 at core side boundary) and the ...
Yamoto, S., Hoshino, K., Toma, M., Homma, Y., Hatayama, A., Bonnin, X., Coster, D., Schneider, R.   +7 more
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Effects of impurity transport and melt layer motion to the tungsten wall erosion during anomaly events

Journal of Nuclear Materials, 2015
Abstract Developing designs of future fusion devices, safety and soundness of the rector at anomaly events must be ensured. A computational approach is being taken by developing a homegrown integrated reactor simulation code and analyzing a loss-of-cooling-gas-puff accident (LCGA). This code currently includes simple plasma, edge, and wall models. In
K. Ibano, T. Tsutsui, T.L. Lang, S. Togo, Y. Ogawa   +4 more
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Simulation of tungsten impurity transport by DIVIMP under different divertor magnetic configurations on HL-3

Plasma Science and Technology
Abstract Tungsten (W) accumulation in the core, depending on W generation and transport in the edge region, is a severe issue in fusion reactors. Compared to standard divertors (SDs), snowflake divertors (SFDs) can effectively suppress the heat flux, while the impact of magnetic configurations on W core accumulation remains unclear.
Qingrui 庆瑞 ZHOU 周, Yanjie 彦杰 ZHANG 张, Chaofeng 超峰 SANG 桑, Jiaxian 佳鲜 LI 李, Guoyao 国尧 ZHENG 郑, Yilin 艺霖 WANG 王, Yihan 亦晗 WU 吴, Dezhen 德真 WANG 王   +7 more
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