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Tokamaks

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A nuclear fusion reactor in which a magnetic field keeps charged, hot plasma moving in a doughnut-shaped vacuum container.

Top 10 PPPL stories that you shouldn’t miss

The past year saw many firsts in experimental and theoretical research at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL). Here, in no particular order, are 10 of the Laboratory’s top findings in 2016, from the first results on the National Spherical Torus Experiment-Upgrade to a new use for Einstein’s theory of special relativity to modeling the disk that feeds the supermassive black hole at the center of our galaxy.

1. First results of the National Spherical Torus Experiment-Upgrade (NSTX-U)

COLLOQUIUM: Motivations for Spherical Torus research and initial results from NSTX Upgrade

The Spherical Torus/Tokamak (ST) is being explored as a possible means of accelerating the development of magnetic fusion energy.  The ST offers access to a higher ratio of plasma pressure to magnetic field pressure and extends toroidal confinement physics understanding including support for ITER burning plasma physics.  The ST may also provide an attractive configuration for fusion applications including plasma-material-interface solution development, fusion nuclear component testing, and a net-electricity producing Pilot Plant.  The NSTX Upgrade (NSTX-U) facility at PPPL supports all of t

PPPL’s Ronald E. Hatcher Science on Saturday Lecture Series kicks off Jan. 14 with a banquet of cutting-edge science

The U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) will once again offer a wide variety of cutting-edge science talks as it kicks off its popular Ronald E. Hatcher Science on Saturday Lecture Series for high school students and science lovers of all ages on Saturday, Jan. 14, at 9:30 a.m. at the Laboratory, 100 Stellarator Road, Princeton, New Jersey.

PPPL senior physicist Wei-li Lee honored at week-long symposium

Physicists from around the world gathered at the University of California, Irvine this past summer for a symposium in honor of Wei-li Lee, a senior physicist at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL). The week-long event, held from July 18-22, focused on gyrokinetic simulation — a technique Lee invented in the 1980s to model the behavior of particles within plasma, the ultrahot gas composed of electrons and atomic nuclei that fuels fusion reactions.

PPPL senior physicist Wei-li Lee honored at week-long symposium

Physicists from around the world gathered at the University of California, Irvine this past summer for a symposium in honor of Wei-li Lee, a senior physicist at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL). The week-long event, held from July 18-22, focused on gyrokinetic simulation — a technique Lee invented in the 1980s to model the behavior of particles within plasma, the ultrahot gas composed of electrons and atomic nuclei that fuels fusion reactions.

PPPL Physicist Richard Hawryluk to chair the Nuclear Fusion editorial board

Richard Hawryluk, a distinguished physicist who heads the ITER and Tokamaks department at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL), has been named chair of the board of editors of Nuclear Fusion, the leading monthly journal in the field of controlled fusion energy. Announcement of the appointment came during the 2016 International Atomic Energy Agency (IAEA) Nuclear Fusion Energy Conference in Kyoto, Japan.

PPPL physicists build diagnostic that measures plasma velocity in real time

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have developed a diagnostic that provides crucial real-time information about the ultrahot plasma swirling within doughnut-shaped fusion machines known as tokamaks. This device monitors four locations in a plasma, enabling the diagnostic to make rapid calculations of how the velocity profiles of ions inside the plasma evolves over time.

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