Zobrazeno 1 - 10
of 899
pro vyhledávání: '"Estrada T"'
Autor:
Carralero, D., Estrada, T., García-Regaña, J. M., Sánchez, E., Windisch, T., Alonso, A., Maragkoudakis, E., Brandt, C., Brunner, K. J., Gallego-Castillo, C., Rahbarnia, K., Thienpondt, H., Team, the Wendelstein 7-X
In this work, we present the first experimental evidence of the presence of zonal flow (ZF) structures in the optimized stellarator Wendelstein 7-X. Using an assortment of diagnostics, flux surface-uniform, electrostatic flow oscillations have been m
Externí odkaz:
http://arxiv.org/abs/2406.12514
Autor:
González-Jerez, A., García-Regaña, J. M., Calvo, I., Carralero, D., Estrada, T., Sánchez, E., Barnes, M., Team, the W7-X
The first experimental campaigns of Wendelstein 7-X (W7-X) have shown that turbulence plays a decisive role in the performance of neoclassically optimized stellarators. This stresses the importance of understanding microturbulence from the theoretica
Externí odkaz:
http://arxiv.org/abs/2312.10221
Autor:
Maragkoudakis, E., Carralero, D., Estrada, T., Windisch, T., Gao, Y., Killer, C., Jakubowski, M., Sitjes, A. Puig, Pisano, F., Sándor, H., Vecsei, M., Zoletnik, S., Cappa, A., team, the Wendelstein 7-X
The formation of the radial electric field, $E_{\rm r}$ in the SOL has been experimentally studied for attached divertor conditions in stellarator W7-X. The main objective of this study is to test the validity in a complex 3D island divertor of simpl
Externí odkaz:
http://arxiv.org/abs/2210.02134
Autor:
Carralero, D., Estrada, T., Maragkoudakis, E., Windisch, T., Alonso, J. A., Velasco, J. L., Ford, O., Jakubowski, M., Lazerson, S., Beurskens, M., Bozhenkov, S., Calvo, I., Damm, H., Fuchert, G., García-Regaña, J. M., Höfel, U., Marushchenko, N., Pablant, N., Sánchez, E., Smith, H. M., Pasch, E., Stange, T.
A recent characterization of core turbulence carried out with a Doppler reflectometer in the optimized stellarator Wendelstein 7-X (W7-X) found that discharges achieving high ion temperatures at the core featured an ITG-like suppression of density fl
Externí odkaz:
http://arxiv.org/abs/2110.00277
Autor:
Velasco, J. L., Calvo, I., Parra, F. I., d'Herbemont, V., Smith, H. M., Carralero, D., Estrada, T., team, the W7-X
In this work, a new version of KNOSOS is presented. KNOSOS is a low-collisionality radially-local, bounce-averaged neoclassical code that is extremely fast, and at the same time, includes physical effects often neglected by more standard codes: the c
Externí odkaz:
http://arxiv.org/abs/2106.01727
Autor:
Carralero, D., Estrada, T., Maragkoudakis, E., Windisch, T., Alonso, J. A., Beurskens, M., Bozhenkov, S., Calvo, I., Damm, H., Ford, O., Fuchert, G., García-Regaña, J. M., Pablant, N., Sánchez, E., Pasch, E., Velasco, J. L., team, the Wendelstein 7-X
First results from the optimized helias Wendelstein 7-X stellarator (W7-X) have shown that core transport is no longer mostly neoclassical, as is the case in previous kinds of stellarators. Instead, turbulent transport poses a serious limitation to t
Externí odkaz:
http://arxiv.org/abs/2105.05107
Autor:
Carralero, D., Estrada, T., Windisch, T., Velasco, J. L., Alonso, J. A., Beurskens, M., Bozhenkov, S., Damm, H., Fuchert, G., Gao, Y., Jakubowski, M., Nieman, H., Pablant, N., Pasch, E., Weir, G., team, the Wendelstein 7-X
In this work we present the first measurements obtained by the V-band Doppler reflectometer during the second operation phase of Wendelstein 7-X to discuss the influence in the velocity shear layer and the radial electric field, E$_r$, of several pla
Externí odkaz:
http://arxiv.org/abs/2005.07226
Akademický článek
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Akademický článek
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Autor:
Gerrú, R., Mulas, S., Losada, U., Castejón, F., Liu, B., Estrada, T., van Milligen, B Ph, Hidalgo, C.
This study presents the investigation of the connection between radial electric field, gradient of Reynolds stress and Long Range Correlation (LRC), as a proxy for Zonal Flows (ZF), in different plasma scenarios in the TJ-II stellarator. Monte Carlo
Externí odkaz:
http://arxiv.org/abs/1904.04864