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Fusion energy

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The energy released when two atomic nuclei fuse together. This process powers the sun and stars.  Read more

COLLOQUIUM: Spitzer’s 100th: Founding PPPL & Pioneering Work in Fusion Energy

Lyman Spitzer, Jr. made major contributions in several fields of astrophysics, plasma physics, and fusion energy. He invented the novel stellarator concept for confining plasmas for fusion, and was an early proponent of putting telescopes in space. This talk will briefly review some of Spitzer's pioneering contributions in fusion, including a pictorial history from his founding of PPPL to TFTR's achievement of 10 megawatts of fusion power. Prof. Kulsrud will provide some personal stories about his early days of working with Spitzer.

Multinational achievement: PPPL collaborates on record fusion plasma in tokamak in China

A multinational team led by Chinese researchers in collaboration with U.S. and European partners has successfully demonstrated a novel technique for suppressing instabilities that can cut short the life of controlled fusion reactions. The team, headed by researchers at the Institute of Plasma Physics in the Chinese Academy of Sciences (ASIPP), combined the new technique with a method that the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) has developed for protecting the walls that surround the hot, charged plasma gas that fuels fusion reactions.

COLLOQUIUM: The Lithium Tokamak eXperiment (LTX)

The Lithium Tokamak eXperiment (LTX) will be discussed in the context of a more general program goal - to develop a compact realization of a tokamak fusion reactor. The general requirements for more compact tokamak reactors will be briefly discussed. The LTX project can investigate some, but not all, of these requirements, on a small scale. Recent results from LTX will be presented. Finally, the development of a toroidal system to test flowing liquid lithium walls, aimed at eventual implementation in a compact D-T tokamak, will be discussed.

COLLOQUIUM: DIII-D Explorations of Fusion Science to Prepare for ITER and FNSF

Recent DIII-D research has provided significant new information for the physics basis of key scientific issues for successful operation of ITER and future steady state fusion tokamaks, including control of edge localized modes (ELMs), plasma instabilities, disruptions, plasma exhaust fluxes and the development of operational scenarios. This talk will summarize progress and outline plans for future research, including opportunities for involvement in the 2014 research program.

Containing A Star On Earth: Understanding Turbulence At 100 Million Degrees

One of the principal challenges remaining for realizing magnetic fusion energy is to understand and mitigate the chaotic flows of ionized gas, or plasma, that lead to unacceptable energy loss from the hot core of the device. These microscopic, randomly varying, or turbulent, fluctuations of plasma velocity and temperature arise owing to the strong differential in temperature from the hot core (>100,000,000 degrees) to the surrounding wall...

Celebrating Lyman Spitzer, the father of PPPL and the Hubble Space Telescope

Princeton astrophysicist Lyman Spitzer Jr. (1914-1997) was among the 20th Century’s most visionary scientists. His major influences range from founding the Princeton Plasma Physics Laboratory (PPPL) and its quest for fusion energy, to inspiring the development of the Hubble Space Telescope and its images of the far corners of the universe.

Worldwide conference on plasma science coming to Princeton area

More than 350 participants from around the world will gather in Plainsboro, N.J., on September 30 for the 66th Annual Gaseous Electronics Conference (GEC). The week-long event will bring together physicists from numerous plasma science disciplines for workshops, panels and poster sessions on topics ranging from basic research to uses for plasma in microchip etching, nano- material manufacturing and other technologies.

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