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Physicists propose new way to stabilize next-generation fusion plasmas

(DOE/Princeton Plasma Physics Laboratory) Recent experiments conducted on the DIII-D National Fusion Facility suggest that up to 40 percent of high-energy particles are lost during tokamak fusion reactions because of Alfvén waves.

Team led by graduate student at PPPL produces unique simulation of magnetic reconnection

(DOE/Princeton Plasma Physics Laboratory) There is a new application of the fluid model to reconnection in space plasmas.

Team produces unique simulation of magnetic reconnection

Jonathan Ng, a Princeton University graduate student at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), has for the first time applied a fluid simulation to the space plasma process behind solar flares northern lights and space storms. Show More Summary

PPPL physicists essential to new campaign on world's most powerful stellarator

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 confinement fusion experiment, the Wendelstein 7-X (W7-X) in Germany. Show More Summary

PPPL physicists essential to new campaign on world's most powerful stellarator

(DOE/Princeton Plasma Physics Laboratory) 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 confinement fusion experiment, the Wendelstein 7-X (W7-X) in Germany. Show More Summary

Physicists discover that some plasma instabilities can extinguish themselves

Physicist Fatima Ebrahimi at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has for the first time used advanced models to accurately simulate key characteristics of the cyclic behavior of edge-localized modes (ELMs), a particular type of plasma instability. Show More Summary

PPPL physicist discovers that some plasma instabilities can extinguish themselves

(DOE/Princeton Plasma Physics Laboratory) PPPL physicist Fatima Ebrahimi has for the first time used advanced models to accurately simulate key characteristics of the cyclic behavior of edge-localized modes, a particular type of plasma instability. Show More Summary

Discovered: A quick and easy way to shut down instabilities in fusion devices

(DOE/Princeton Plasma Physics Laboratory) This article describes suppression of instabilities with new neutral beam injector.

PPPL delivers new key components to help power a fusion energy experiment

(DOE/Princeton Plasma Physics Laboratory) Article describes PPPL design and delivery of components for neutral beam injectors for fusion experiments at DIII-D.

Simulation demonstrates how exposure to plasma makes carbon nanotubes grow

At the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), research performed with collaborators from Princeton University and the Institute for Advanced Computational Science at the State University of NewShow More Summary

Updated computer code improves prediction of particle motion in plasma experiments

(DOE/Princeton Plasma Physics Laboratory) A computer code used by physicists around the world to analyze and predict tokamak experiments can now approximate the behavior of highly energetic atomic nuclei, or ions, in fusion plasmas more accurately than ever.

First basic physics simulation of impact of neutrals on turbulence

(DOE/Princeton Plasma Physics Laboratory) This article describes simulation of recycled neutral atoms on plasma turbulence in fusion experiments.

Scientists create first laboratory generation of astrophysical shock waves

(DOE/Princeton Plasma Physics Laboratory) Feature describes first laboratory generation of an astrophysical shock wave.

Machine learning technique offers insight into plasma behavior

(DOE/Princeton Plasma Physics Laboratory) A paper by graduate student Matthew Parsons describes the application of machine learning to avoiding plasma disruptions, which will be crucial to ensuring the longevity of future large tokamaks.

PPPL researchers demonstrate first hot plasma edge in a fusion facility

(DOE/Princeton Plasma Physics Laboratory) Article describes first experimental finding of constant temperature in a fusion plasma.

US-China collaboration makes excellent start in optimizing lithium to control plasma

(DOE/Princeton Plasma Physics Laboratory) For fusion to generate substantial energy, the ultra-hot plasma that fuels fusion reactions must remain stable and kept from cooling. Researchers have recently shown lithium, a soft, silver-white...Show More Summary

Physicists discover that lithium oxide on tokamak walls can improve plasma performance

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has found.

Physicists discover that lithium oxide on tokamak walls can improve plasma performance

(DOE/Princeton Plasma Physics Laboratory) A team of physicists has discovered that a coating of lithium oxide on the inside of fusion machines known as tokamaks absorbs as much deuterium as pure lithium does.

Scientists perform first-principles simulation of transition of plasma edge to H-mode

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high-confinement mode (H-mode) that sustains fusion reactions. The detailed simulation is the first basic physics, or first-principles-based, modeling with few simplifying assumptions.

Scientists perform first-principles simulation of transition of plasma edge to H-mode

(DOE/Princeton Plasma Physics Laboratory) PPPL physicists have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high-confinement mode that sustains fusion reactions. The research was achieved with the extreme-scale plasma turbulence code XGC developed at PPPL in collaboration with a nationwide team.

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