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ITER is a large international fusion experiment aimed at demonstrating the scientific and technological feasibility of fusion energy.

ITER (Latin for "the way") will play a critical role advancing the worldwide availability of energy from fusion — the power source of the sun and the stars.

To produce practical amounts of fusion power on earth, heavy forms of hydrogen are joined together at high temperature with an accompanying production of heat energy. The fuel must be held at a temperature of over 100 million degrees Celsius. At these high temperatures, the electrons are detached from the nuclei of the atoms, in a state of matter called plasma.

French landmark decree authorizes ITER construction

The French government has capped more than two years of review by issuing a license for the construction of ITER, the international fusion project that the European Union, the United States and five other countries are building in Cadarache, France, to demonstrate the feasibility of fusion energy. French Prime Minister Jean-Marc Ayrault signed the decree authorizing the license on Nov. 10, 2012. The move confirms the safety of the ITER project and clears the way for its construction.

"Progress in U.S. ITER Magnet Systems", Wayne Reiersen, Princeton University

U.S. ITER is responsible for providing the ITER Central Solenoid (CS), nine lengths of Toroidal Field (TF) Coil conductor, and Insert Coils for assessing CS and TF conductor performance. The status of the ongoing design and fabrication efforts will be reviewed. The interesting hurdles that had to be negotiated, the lingering problems, and the lessons learned will be discussed.

(At the presenter's request, no video or presentation materials are available for this lecture.)

George H Neilson

George “Hutch” Neilson manages PPPL’s stellarator programs and advanced design activities. He is program manager and national point-of-contact for U.S. collaborations with the Wendelstein 7-X stellarator experiment in Germany. Advanced design activities overseen by Neilson include technical studies for next-generation experimental fusion facilities, including the U.S. system studies program and collaborations with South Korea and China on studies of DEMO machines, which would precede commercial fusion power plants. 

Charles L Neumeyer

Charles Neumeyer is a registered professional engineer with more than 30 years experience in advanced technology research and project management. His experience covers functions ranging from design to procurement and commissioning. Neumeyer has managerial roles in activities associated with ITER and the National Spherical Torus Experiment Upgrade (NSTX-U). He is responsible for U.S.

Dr. Richard J Hawryluk

Richard Hawryluk, Associate Director for Fusion, is an internationally-known physicist and a former deputy director of PPPL. He served as the head of the National Spherical Torus Experiment-Upgrade (NSTX-U) Recovery Planning Project from 2016 through August of 2017.  He served as interim director of the Laboratory from September 2017 through June 2018. 

PPPL-led researchers seek to demonstrate a novel design for a key diagnostic tool for ITER

Scientists working under the leadership of the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) have developed and are preparing to test a novel design for a key diagnostic instrument for ITER, a $20 billion experimental fusion facility, or tokamak, that represents the next major step in harnessing fusion power. If proven successful, the design could replace the more conventional, bulkier instrument now planned for ITER.
The new diagnostic design marks a nationwide effort by U.S. researchers in support of U.S.


U.S. Department of Energy
Princeton Plasma Physics Laboratory is a U.S. Department of Energy national laboratory managed by Princeton University.

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