When ring-shaped electromagnets are set up in linear arrangements, they can produce magnetic fields resembling a tube with a cone at each end—a structure that repels charged particles entering one cone back along their ...
General Physics
Jul 18, 2019
0
15
Magnetic islands, bubble-like structures that form in fusion plasmas, can grow and disrupt the plasmas and damage the doughnut-shaped tokamak facilities that house fusion reactions. Recent research at the U.S. Department ...
Plasma Physics
Jun 7, 2018
0
4
A key hurdle for fusion researchers is understanding turbulence, the ripples and eddies that can cause the superhot plasma that fuels fusion reactions to leak heat and particles and keep fusion from taking place. Comprehending ...
Plasma Physics
Oct 14, 2017
27
179
Physicists from the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) are providing critical expertise for the first full campaign of the world's largest and most powerful stellarator, a magnetic ...
Plasma Physics
Aug 28, 2017
0
24
Two major issues confronting magnetic-confinement fusion energy are enabling the walls of devices that house fusion reactions to survive bombardment by energetic particles, and improving confinement of the plasma required ...
Plasma Physics
Jul 5, 2017
1
942
One part of the vacuum vessel (the plasma facing material) of the fusion experimental device and future fusion reactor comes into contact with plasma. When the plasma ions enter into the material, those particles become a ...
Plasma Physics
Jun 30, 2017
0
7
Fusion research has been dominated by the search for a suitable way of ensuring confinement as part of the research into using fusion to generate energy. In a recent paper published in EPJ H, Fritz Wagner from the Max Planck ...
Plasma Physics
Feb 27, 2017
0
4
Physicists have long regarded plasma turbulence as unruly behavior that can limit the performance of fusion experiments. But new findings by researchers associated with the U.S. Department of Energy's (DOE) Princeton Plasma ...
Plasma Physics
Mar 15, 2016
9
805
Scientists developing fusion energy experiments have solved a puzzle of why their million-degree heating beams sometimes fail, and instead destabilise the fusion experiments before energy is generated.
Plasma Physics
Mar 7, 2016
20
108
For fusion reactions to take place efficiently, the atomic nuclei that fuse together in plasma must be kept sufficiently hot. But turbulence in the plasma that flows in facilities called tokamaks can cause heat to leak from ...
Plasma Physics
Nov 25, 2015
0
9
