Results 101 to 110 of about 5,989 (213)

Why Spherical Tokamak Receives Significant Attention?

IEEJ Transactions on Fundamentals and Materials, 2003
The tokamak with the aspect ratio less than 2 is called spherical tokamak (ST), since the plasma is naturally elongated and has a spherical shape. It is being theoretically and experimentally shown that ST has a high potential to confine the very high beta plasma (beta=plasma pressure/magnetic pressure). The blanket module can be easily replaced in ST.
openaire   +2 more sources

Thermal energy confinement time of spherical tokamak plasmas in PI3

Nuclear Fusion
The Plasma Injector 3 (PI3) experiment at general fusion has been constructed to demonstrate the ability to form plasma targets suitable for compression in a Magnetized Target Fusion machine.
A. Tancetti, C. Ribeiro, S.J. Howard, S. Coop, C.P. McNally, M. Reynolds, P. Kholodov, F. Braglia, R. Zindler, C. Macdonald, E. Love, P. Carle, X. Feng, A. Rohollahi, K. Leci, D. Plant, C. Dunlea, R. Ivanov, A. Mossman   +18 more
doaj   +1 more source

Observation of a new pedestal stability regime in MAST Upgrade H-mode plasmas

Nuclear Fusion
The first pedestal stability and structure analysis on the new MAST Upgrade (MAST-U) spherical tokamak H-mode plasmas is presented. Our results indicate that MAST-U pedestals are close to the low toroidal mode number ( n ) peeling branch of the peeling ...
K. Imada, T.H. Osborne, S. Saarelma, J.G. Clark, A. Kirk, M. Knolker, R. Scannell, P.B. Snyder, C. Vincent, H.R. Wilson, the MAST Upgrade Team   +10 more
doaj   +1 more source

Neutronics analysis of spin-polarized fuel in spherical tokamaks

Nuclear Fusion
The effect of spin-polarized deuterium–tritium fuel on the blanket, magnets, and surrounding structures is analyzed for a spherical tokamak fusion power plant.
Jin Whan Bae, Katarzyna Borowiec, Vittorio Badalassi, Jason Parisi, Ahmed Diallo, Jon Menard, Andrei Khodak, Thomas Brown   +7 more
doaj   +1 more source

Towards a compact spherical tokamak fusion pilot plant. [PDF]

Philos Trans A Math Phys Eng Sci, 2019
Costley AE.
europepmc   +1 more source

Plasma control for the step prototype power plant

Nuclear Fusion
In 2019 the UK launched the Spherical Tokamak for Energy Production (STEP) programme to design and build a prototype electricity producing nuclear fusion power plant, aiming to start operation around 2040.
M. Lennholm, S. Aleiferis, S. Bakes, O.P. Bardsley, M. van Berkel, F.J. Casson, F. Chaudry, N.J. Conway, T.C. Hender, S.S. Henderson, A. Hudoba, B. Kool, M. Lafferty, H. Meyer, J. Mitchell, A. Mitra, R. Osawa, R. Otin, A. Parrott, T. Thompson, G. Xia, the STEP Team   +21 more
doaj   +1 more source

A1fven Eigenmodes in Spherical Tokamaks

IEEJ Transactions on Fundamentals and Materials, 2005
Mikhail P. Gryaznevich, Sergei E. Sharapov, Herbert L. Berk, Simon D. Pinches   +3 more
openaire   +2 more sources

HIPED: machine learning framework for spherical tokamak pedestal prediction and optimization

Nuclear Fusion
We introduce a machine learning framework, HIPED (HeIght and width Predictor for Edge Dynamics), for predicting and optimizing pedestal and core performance in spherical tokamak plasmas.
J.F. Parisi, J.G. Clark, J.W. Berkery, C. Bowman, C.J. Fitzpatrick, S.M. Kaye, M. Lampert   +6 more
doaj   +1 more source

H-mode transition and pedestal studies. [PDF]

Philos Trans A Math Phys Eng Sci, 2023
Andrew Y, Kim EJ.
europepmc   +1 more source

ITG turbulence in gyrokinetic simulations of high collisionality spherical tokamak plasmas

Nuclear Fusion
This paper presents a first detailed gyrokinetic analysis with the goal of understanding the dominant turbulent transport mechanisms and identifying the micro-instabilities present in small-aspect-ratio plasmas in the PI3 device, developed as magnetized ...
N. Kumar, G. Avdeeva, J. Candy, M. Reynolds, E. Belli, C.P. McNally   +5 more
doaj   +1 more source