Zobrazeno 1 - 10
of 8 689
pro vyhledávání: '"Akers, R. A."'
Autor:
Ellis, W. M. E., Reali, L., Davis, A., Brooks, H. M., Katramados, I., Thornton, A. J., Akers, R. A., Dudarev, S. L.
Determining stress and strain in a component of a fusion power plant involves defining boundary conditions for the mechanical equilibrium equations, implying the availability of a full reactor model for defining those conditions. To address this fund
Externí odkaz:
http://arxiv.org/abs/2409.13554
Autor:
Pamela, S. J. P., Carey, N., Brandstetter, J., Akers, R., Zanisi, L., Buchanan, J., Gopakumar, V., Hoelzl, M., Huijsmans, G., Pentland, K., James, T., Antonucci, G., Team, the JOREK
The fusion research facility ITER is currently being assembled to demonstrate that fusion can be used for industrial energy production, while several other programmes across the world are also moving forward, such as EU-DEMO, CFETR, SPARC and STEP. T
Externí odkaz:
http://arxiv.org/abs/2405.01355
The application of non-axisymmetric resonant magnetic perturbations (RMPs) to low current plasmas in the Mega Amp Spherical Tokamak (MAST) was found to be correlated with substantial drops in neutron production, suggesting a significant degradation o
Externí odkaz:
http://arxiv.org/abs/1806.05940
Autor:
Jones, O. M., Cecconello, M., McClements, K. G., Klimek, I., Akers, R. J., Boeglin, W. U., Keeling, D. L., Meakins, A. J., Perez, R. V., Sharapov, S. E., Turnyanskiy, M.
The results of a comprehensive investigation into the effects of toroidicity-induced Alfv\'{e}n eigenmodes (TAE) and energetic particle modes on the NBI-generated fast-ion population in MAST plasmas are reported. Fast-ion redistribution due to freque
Externí odkaz:
http://arxiv.org/abs/1503.06698
Autor:
Sharapov, S. E., Lilley, M. K., Akers, R., Ayed, N. Ben, Cecconello, M., Cook, J. W. C., Cunningham, G., Verwichte, E., Tea, the MAST
Publikováno v:
Physics of Plasmas, Vol.21, Issue 8, August 2014, pp.082501
Alfv\'en cyclotron instabilities excited by velocity gradients of energetic beam ions were investigated in MAST experiments with super-Alfv\'enic NBI over a wide range of toroidal magnetic fields from ~0.34 T to ~0.585 T. In MAST discharges with high
Externí odkaz:
http://arxiv.org/abs/1404.6374
Autor:
Jones, O M, Michael, C A, Cecconello, M, Wodniak, I, McClements, K G, Keeling, D L, Challis, C D, Turnyanskiy, M, Meakins, A J, Conway, N J, Crowley, B J, Akers, R J, team, MAST
The results of a comprehensive investigation into the effects of various MHD modes on the NBI-generated fast-ion population in MAST plasmas are reported. Fast-ion redistribution due to low-frequency (20-50 kHz) chirping energetic particle modes known
Externí odkaz:
http://arxiv.org/abs/1401.6864
Autor:
Turnyanskiy, M., Challis, C. D., Akers, R. J., Cecconello, M., Keeling, D. L., Kirk, A., Lake, R., Pinches, S. D., Sangaroon, S., Wodniak, I.
Publikováno v:
Nuclear Fusion, Vol.53, No.5, May 2013, p.053016
Previous experiments on MAST and other tokamaks have indicated that the level of fast ion redistribution can exceed that expected from classical diffusion and that this level increases with beam power. In this paper we present a quantification of thi
Externí odkaz:
http://arxiv.org/abs/1307.0355
Autor:
Jones, O. M., Michael, C. A., McClements, K. G., Conway, N. J., Crowley, B., Akers, R. J., Lake, R. J., Pinches, S. D.
Publikováno v:
Plasma Phys. Control. Fusion 55 (2013), 085009
Using the recently-installed Fast-Ion Deuterium Alpha (FIDA) spectrometer, the effects of low-frequency (20-50 kHz) chirping energetic particle modes with toroidal mode number n \geq 1 on the fast-ion population in MAST plasmas are considered. Result
Externí odkaz:
http://arxiv.org/abs/1304.1300
Autor:
Michael, C. A., Conway, N., Crowley, B., Jones, O., Heidbrink, W. W., Pinches, S., Braeken, E., Akers, R., Challis, C., Turnyanskiy, M., Patel, A., Muir, D., Gaffka, R., Bailey, S.
A Fast Ion Deuterium Alpha (FIDA) spectrometer was installed on MAST to measure radially resolved information about the fast ion density and its distribution in energy and pitch angle. Toroidally and vertically-directed collection lenses are employed
Externí odkaz:
http://arxiv.org/abs/1302.2776
Autor:
Shepherd, Alastair John, Akers, R., Barth, A., Day, I.E., Fishpool, G., McAdams, R., Tivey, R., Verhoeven, R.
Publikováno v:
In Fusion Engineering and Design September 2019 146 Part A:765-769