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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.

PPPL physicists win supercomputing time to simulate key energy and astrophysical phenomena

Three teams led by scientists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have won major blocks of time on two of the world’s most powerful supercomputers. Two of the projects seek to advance the development of nuclear fusion as a clean and abundant source of energy by improving understanding of the superhot, electrically charged plasma gas that fuels fusion reactions.

PPPL teams with South Korea on the forerunner of a commercial fusion power station

The U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) has joined forces with researchers in South Korea to develop a pre-conceptual design for a pioneering fusion facility in that Asian nation. The proposed device, called K-DEMO, could be completed in the mid-to-late 2030s as the final step before construction of a commercial fusion power plant that would produce clean and abundant energy for generating electricity.


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.)

David W Johnson

David Johnson is a principal research physicist with broad experience in techniques and instrumentation for measur- ing the characteristics of magnetic fusion plasmas. He has specific expertise in laser Thomson scattering systems, and has installed and operated such systems on many fusion devices around the world. He managed a division of plasma diagnostic experts for the Tokamak Fusion Test Reactor (TFTR) and National Spherical Torus Experiment (NSTX) projects, and was the Work Breakdown Structure Team Leader for US ITER Diagnostics. 

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 tech- nology research and project management. His experi- ence 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. equipment contributions for the ITER Steady State Electrical Network, which will supply AC power to all ITER plant systems. 

Dr. Richard J Hawryluk

Richard Hawryluk, the interim director of PPPL, 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.


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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