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Fluctuation measurements in the X-point region of ASDEX Upgrade

Autor: Nem R.D., Juul Rasmussen J., Naulin V., Herrmann A., Vianello N., Sieglin B., de Marne P., the ASDEX Upgrade Team

Publikováno v: 47th EPS Conference on Plasma Physics, pp. 297–300, Virtual Conference, 21-25 June 2021
info:cnr-pdr/source/autori:Nem R.D.; Juul Rasmussen J.; Naulin V.; Herrmann A.; Vianello N.; Sieglin B.; de Marne P.; the ASDEX Upgrade Team/congresso_nome:47th EPS Conference on Plasma Physics/congresso_luogo:Virtual Conference/congresso_data:21-25 June 2021/anno:2021/pagina_da:297/pagina_a:300/intervallo_pagine:297–300

Density fluctuations in the X-point region are characterized using ion-saturation current measurements obtained from Langmuir probes. These are mounted on the X-point manipulator (XPM) available at the ASDEX Upgrade, which provides the unique possibi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::fc5e1901cddef668f39da5d49700bbe9
http://ocs.ciemat.es/EPS2021PAP/pdf/P1.1067.pdf

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Quiescent regions below the X-point in ASDEX upgrade

Autor: Nem R.D., Manz P., Rasmussen J.J., Vianello N., Walkden N., Naulin V., Sieglin B., Herrmann A., Brida D., ASDEX Upgrade Team

Publikováno v: Plasma physics and controlled fusion (Online) 63 (2021): 065005-1–065005-10. doi:10.1088/1361-6587/abdc9c
info:cnr-pdr/source/autori:Nem R.D.; Manz P.; Rasmussen J.J.; Vianello N.; Walkden N.; Naulin V.; Sieglin B.; Herrmann A.; Brida D.; ASDEX Upgrade Team/titolo:Quiescent regions below the X-point in ASDEX upgrade/doi:10.1088%2F1361-6587%2Fabdc9c/rivista:Plasma physics and controlled fusion (Online)/anno:2021/pagina_da:065005-1/pagina_a:065005-10/intervallo_pagine:065005-1–065005-10/volume:63
Plasma Physics and Controlled Fusion

Probe measurements of plasma fluctuations in the divertor region of ASDEX Upgrade reveal the existence of two quiescent regions close to the separatrix: one on the low field side scrape-off layer and one on the high field side of the private flux reg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef08ab43ddb85a8196faa07688f7f837

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Measurements in the X-Point Region at ASDEX Upgrade

Autor: Nem R.D., Vianello N., Walkden N., Naulin V., Rasmussen J.J., Brida D., Herrmann A., Sieglin B., ASDEX Upgrade team, EUROfusion MST1 team

Publikováno v: 47th EPS Conference on Plasma Physics, Sitges, Spain, 22-26 June 2020
info:cnr-pdr/source/autori:Nem R.D.; Vianello N.; Walkden N.; Naulin V.; Rasmussen J.J.; Brida D.; Herrmann A.; Sieglin B.; ASDEX Upgrade team; EUROfusion MST1 team/congresso_nome:47th EPS Conference on Plasma Physics/congresso_luogo:Sitges, Spain/congresso_data:22-26 June 2020/anno:2020/pagina_da:/pagina_a:/intervallo_pagine

It is now well known that the presence of the x-point in diverted tokamaks influences the turbulence in the scrape-off layer[1]. Turbulence plays an important role in fusion devices, as it is the main agent for the cross-field transport of particles

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::491c31c916a8cdcdaa30b5ef6a45fc39
http://www.cnr.it/prodotto/i/436983

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Comparison of Tokamak Plasma Midplane with Divertor Conditions

Autor: Nem R.D., Schneider B.S., Herrmann A., De Marne P., Naulin V., Rasmussen J.J., Sieglin B., Schrittwieser R., Ionita C., Costea S., Vianello N., Spolaore M., Kovacic J., MST1 team

Publikováno v: 46th European Physical Society Conference on Plasma Physics (EPS 2019), pp. 1–4, Milan, Italy, 8-12 July 2019
info:cnr-pdr/source/autori:Nem R.D.; Schneider B.S.; Herrmann A.; De Marne P.; Naulin V.; Rasmussen J.J.; Sieglin B.; Schrittwieser R.; Ionita C.; Costea S.; Vianello N.; Spolaore M.; Kovacic J.; MST1 team/congresso_nome:46th European Physical Society Conference on Plasma Physics (EPS 2019)/congresso_luogo:Milan, Italy/congresso_data:8-12 July 2019/anno:2019/pagina_da:1/pagina_a:4/intervallo_pagine:1–4

In tokamaks, the scrape-off layer between the midplane and the divertor is experimentally not well diagnosed. Specifically, there is scarce experimental comparison of the ion temperature fluctuation and little information about the parallel velocity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::5dc1ea5a1f3f9175805c1b7001bd716c
https://publications.cnr.it/doc/404569

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