Results 281 to 290 of about 2,872,515 (340)

Origin of switchable quasiparticle-interference chirality in loop-current phase of kagome metals measured by scanning-tunneling-microscopy. [PDF]

Nat Commun
Nakazawa S, Tazai R, Yamakawa Y, Onari S, Kontani H.   +4 more
europepmc   +1 more source

Neoclassical impurity transport in stellarators

, 2017
Newton, S., Helander, P., Mollen, A., Smith, H.   +3 more
openaire   +1 more source

Impurity transport in Tokamak plasmas

, 2004
openaire   +2 more sources

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Simulation of tungsten target erosion and tungsten impurity transport during argon seeding on EAST

Plasma Physics and Controlled Fusion, 2021
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 ...
Yilin Wang, C. Sang, Chen Zhang, Xuele Zhao, Yanjie Zhang, G. Jia, Yu Senichenkov, Liang Wang, Qing-Gang Zhou, Dezhen Wang   +9 more
semanticscholar   +1 more source

Gyrokinetic modelling of light to heavy impurity transport in tokamaks

, 2021
Impurity transport is numerically investigated for different types of impurity, such as helium (He), argon (Ar), and tungsten (W). Both turbulent and neoclassical transports are treated self-consistently using the full-f gyrokinetic software GYSELA.
K. Lim, X. Garbet, Y. Sarazin, V. Grandgirard, K. Obrejan, M. Lesur, E. Gravier   +6 more
semanticscholar   +1 more source

Impurity transport and neoclassical predictions

Plasma Physics and Controlled Fusion, 1991
The authors present a brief review of collisional (classical and neoclassical) and anomalous transport. Particular emphasis is devoted to the question of charge independence of the anomalous transport coefficients and the combined action of anomalous and collisional transport.
Fussmann, G., Field, A., Kallenbach, A., Krieger, K., Steuer, K., ASDEX-Team   +5 more
openaire   +4 more sources

Turbulent Impurity Transport

AIP Conference Proceedings, 2008
Impurity transport is an important topic for ITER as impurity density in the core has to stay below a relative concentration of 5×10−5 [1] to reach ignition conditions. The reasons for that is mainly impurity radiation leading to cooling. In the edge region on the other hand site, higher impurity densities, going along with radiation energy losses are ...
Volker Naulin, Jens Juul Rasmussen, Clemente Angioni, Carine Giroud, Marco Valisa, Maria Ester Puiatti, L. Carraro, Sadruddin Benkadda   +7 more
openaire   +1 more source

IMPGYRO: The full-orbit impurity transport code for SOL/divertor and its successful application to tungsten impurities

Computer Physics Communications, 2020
In future fusion reactors, tungsten (W) is currently regarded as one of the most feasible candidates for the plasma-facing components (PFCs). Once the W impurities sputtered from the PFCs penetrate into the core plasma, the large radiation cooling and ...
S. Yamoto, Y. Homma, K. Hoshino, M. Toma, A. Hatayama   +4 more
semanticscholar   +1 more source

Numerical estimation of the oxygen impurity transport in the Aditya tokamak

, 2020
The present study illustrates an approach to solving the one-dimensional impurity transport equation in tokamak plasma, without the loss of generality, using a semi-implicit numerical method.
A. Bhattacharya, J. Ghosh, M. Chowdhuri, P. Munshi   +3 more
semanticscholar   +1 more source