Zobrazeno 1 - 10
of 315
pro vyhledávání: '"G.D. Conway"'
Autor:
G. Grenfell, L. Gil, P. Manz, C. Silva, J. Adamek, D. Brida, G.D. Conway, T. Eich, M. Faitsch, T. Happel, M. Spolaore, U. Stroth, B. Tal, B. Vanovac, E. Wolfrum, the ASDEX Upgrade Team, the EUROfusion Tokamak Exploitation Team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 10, p 104002 (2024)
In order to extend the enhanced D-Alpha H-mode to future devices, it is crucial to understand the properties of the main signature of this regime, the quasicoherent mode (QCM), that likely clamps the pressure gradient below the ideal magnetohydrodyna
Externí odkaz:
https://doaj.org/article/afe3f18f87ce4ca799d3c7be9bef43f8
Autor:
P.T. Lang, G.D. Conway, O.J.W.F. Kardaun, M. Maraschek, B. Pégourié, B. Ploeckl, R. Samulyak, the ASDEX Upgrade Team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 10, p 106031 (2024)
In a future fusion reactor, the main fuelling method will likely rely on the injection of solid hydrogen pellets. Current predictions assume that this goal can be achieved, since being based on a technology which is already largely developed. However
Externí odkaz:
https://doaj.org/article/d5673f5195194750894b32b902a1d71f
Autor:
G. Grenfell, P. Manz, G.D. Conway, T. Eich, J. Adamek, D. Brida, M. Komm, T. Nishizawa, M. Griener, B. Tal, U. Stroth
Publikováno v:
Nuclear Materials and Energy, Vol 33, Iss , Pp 101277- (2022)
The L-mode density limit in ASDEX Upgrade is investigated with focus on the scrape-off layer. We observe a chain of events that involves the collapse of the E×B outer shear layer (just outside the separatrix), widening of the electron pressure fall-
Externí odkaz:
https://doaj.org/article/dbfe6e023910460f9246010730428c65
Autor:
D. Brida, G.D. Conway, J. Adamek, D. Silvagni, P. David, T. Eich, G. Grenfell, M. Komm, U. Plank
Publikováno v:
Nuclear Materials and Energy, Vol 33, Iss , Pp 101262- (2022)
The electric field in the Scrape-Off Layer (SOL) of fusion plasmas is a key quantity affecting the local plasma transport and possibly also the overall plasma confinement. However, the physics determining the SOL electric field is experimentally not
Externí odkaz:
https://doaj.org/article/ab742a94e18649df9be306113e482b34
Autor:
R. Bielajew, U. Plank, G.D. Conway, A.E. Hubbard, P. Rodriguez-Fernandez, B. Vanovac, C. Yoo, A.E. White, the ASDEX Upgrade Team
Publikováno v:
Nuclear Fusion, Vol 63, Iss 12, p 126022 (2023)
The physics behind the difference in heating power threshold for the low to high confinement (L–H) transition between favorable ion $B \times \nabla B$ drift (toward active X -point) and unfavorable ion $B \times \nabla B$ drift (away from active X
Externí odkaz:
https://doaj.org/article/7732758d01354258a2f1edf8f8efd987
Autor:
N. Leuthold, W. Suttrop, M. Willensdorfer, G. Birkenmeier, D. Brida, M. Cavedon, M. Dunne, G.D. Conway, R. Fischer, L. Gil, T. Happel, P. Hennequin, A. Kappatou, A. Kirk, P. Manz, R.M. McDermott, J. Vicente, H. Zohm, the ASDEX Upgrade Team, the EUROfusion MST1 Team
Publikováno v:
Nuclear Fusion, Vol 63, Iss 4, p 046014 (2023)
We study localized edge turbulence in the ASDEX Upgrade tokamak that appears if resonant magnetic perturbations (RMP) are applied to suppress edge localized modes (ELMs) in the high confinement mode. The concomitant density fluctuations are detected
Externí odkaz:
https://doaj.org/article/4366f9da340749dbb4b88fb9f2841769
Publikováno v:
Nuclear Fusion, Vol 63, Iss 6, p 066010 (2023)
Geodesic acoustic modes (GAMs) represent the oscillating counterpart of zonal flow in tokamak plasma and can affect transport due to their interaction with turbulence eddies. GAMs have been observed in many experiments and modelled under different co
Externí odkaz:
https://doaj.org/article/4941a86a2f3f490397ad0e5df81efd10
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