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Journal Articles

Kinetic modelling of divertor fluxes during ELMs in ITER

Hosokawa, Masanari*; Loarte, A.*; Huijsmans, G.*; Takizuka, Tomonori*; Hayashi, Nobuhiko

Europhysics Conference Abstracts (Internet), 38F, p.P5.003_1 - P5.003_4, 2014/06

http://ocs.ciemat.es/EPS2014PAP/pdf/P5.003.pdf

Journal Articles

Asymmetry of dense divertor plasmas influenced by thermoelectric potential and charge-exchange momentum loss

Hayashi, Nobuhiko; Takizuka, Tomonori; Hosokawa, Masanari*; Shimizu, Katsuhiro

Journal of Nuclear Materials, 313-316(1-3), p.1041 - 1045, 2003/03

https://doi.org/10.1016/S0022-3115(02)01534-9

Times Cited Count：3 Percentile：25.75(Materials Science, Multidisciplinary)

Asymmetric equilibria of divertor plasmas influenced by the thermoelectric potential and the momentum loss due to the charge-exchange have been studied by using the five-point model. The momentum loss becomes large when the divertor plasma temperature decreases below about 10 eV. The pre-sheath potential is increased by the momentum loss and compensates for the decrease in the thermoelectric potential at the low-temperature side of the asymmetric equilibrium. Through The change of the pre-sheath potential, the momentum loss has a stabilizing effect on the thermoelectric instability and mitigates the asymmetry. To lower the temperature by the recycling at the one-side divertor, the high recycling and the resultant momentum loss at the other-side divertor are effective because of the bifurcated structure of the equilibrium.

Journal Articles