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Newswise: Preparing for exascale: Eliminating disruptions on the path to sustainable fusion energy
Released: 2-Apr-2020 5:00 PM EDT
Preparing for exascale: Eliminating disruptions on the path to sustainable fusion energy
Argonne National Laboratory

With the world’s most powerful path-to-exascale supercomputing resources at their disposal, William Tang and colleagues are combining computer muscle and AI to eliminate disruption of fusion reactions in the production of sustainable clean energy.

Newswise: A new explanation for sudden collapses of heat in plasmas can help create fusion energy on Earth
Released: 30-Mar-2020 4:30 PM EDT
A new explanation for sudden collapses of heat in plasmas can help create fusion energy on Earth
Princeton Plasma Physics Laboratory

PPPL researchers find that jumbled magnetic fields in the core of fusion plasmas can cause the entire plasma discharge to suddenly collapse.

Newswise: 032720-fes-parker-spiral.jpg?itok=Ia8CgcoY
Released: 30-Mar-2020 9:00 AM EDT
Parker Spiral Created in the Laboratory for the First Time Ever
Department of Energy, Office of Science

The Sun is a spinning ball of plasma that generates its own magnetic field. As the Sun spews out plasma, it generates solar wind that pulls the Sun’s magnetic field along with it, twisting the magnetic field into what is called a Parker spiral. A recent experiment recreated this interaction at a small scale in the laboratory.

Newswise: 031820-fes-magnetic-island.jpg?itok=NK7x2T1p
Released: 23-Mar-2020 1:30 PM EDT
Island Retreat: Pellets Help Remove Magnetic Island Instabilities
Department of Energy, Office of Science

Tokamaks use magnetic fields to control plasma “Magnetic islands” are unstable structures that form in these magnetic fields. Researchers discovered that firing frozen pellets of deuterium deep into the plasma caused the magnetic islands to shrink.

Newswise: Magnetic Ripples Calm the Surface of Fusion Plasmas
Released: 20-Mar-2020 2:10 PM EDT
Magnetic Ripples Calm the Surface of Fusion Plasmas
Department of Energy, Office of Science

The ITER fusion reactor will use rippled magnetic fields to prevent bursts of heat and particles that can damage the walls of the reactor. Physicists have now compared computer simulations of plasma with experimental measurements to understand how controlled magnetic ripples outside the plasma can suppress these bursts.

Newswise: A landmark plan for realizing fusion energy and advancing plasma science
Released: 19-Mar-2020 2:10 PM EDT
A landmark plan for realizing fusion energy and advancing plasma science
Princeton Plasma Physics Laboratory

A summary of key points of the fusion and plasma science community's year-long Community Planning Process that proposes accelerating development of these strategic fields.

Newswise: Artificial intelligence helps prevent disruptions in fusion devices
Released: 17-Mar-2020 2:05 PM EDT
Artificial intelligence helps prevent disruptions in fusion devices
Princeton Plasma Physics Laboratory

Research led by a Princeton University graduate student demonstrates that machine learning can predict and avoid damaging disruptions to fusion facilities.

Newswise: Permanent magnets far stronger than those on refrigerator doors could be a solution for delivering fusion energy
Released: 11-Mar-2020 1:55 PM EDT
Permanent magnets far stronger than those on refrigerator doors could be a solution for delivering fusion energy
Princeton Plasma Physics Laboratory

Permanent magnets can, in principle, greatly simplify the design and production of the complex coils of stellarator fusion facilities.

Newswise: ORNL team builds portable diagnostic for fusion experiments from off-the-shelf items
Released: 11-Mar-2020 12:35 PM EDT
ORNL team builds portable diagnostic for fusion experiments from off-the-shelf items
Oak Ridge National Laboratory

The techniques Theodore Biewer and his colleagues are using to measure whether plasma has the right conditions to create fusion have been around awhile.

Newswise: Feeding fusion: hydrogen ice pellets prove effective for fueling fusion plasmas
Released: 10-Mar-2020 2:45 PM EDT
Feeding fusion: hydrogen ice pellets prove effective for fueling fusion plasmas
Princeton Plasma Physics Laboratory

Injecting pellets of hydrogen ice rather than puffing hydrogen gas improves fusion performance. Studies by PPPL and ORNL physicists compared the two methods on the DIII-D National Fusion Facility, looking ahead to the injection fueling planned for ITER.


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