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  • Cryopumps | First unit reaches ITER

    The ITER vacuum team, the European Domestic Agency Fusion for Energy, Research Instruments (RI), and the ITER Director-General were all excited to welcome the d [...]

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  • Tritium Plant Summit | A shared vision to prepare for delivery

    A summit organized at ITER Headquarters from 3 to 6 June brought together the international teams that will deliver the sub-systems of the ITER Tritium Plant. I [...]

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  • Image of the week | ITER Robots goes international

    Thinking outside the box, teamwork and ingenuity are the ingredients that make for a successful robotics engineer—all qualities that are cultivated by participa [...]

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  • Cross-sector advocacy | The fusion knights

    Developing fusion as a usable energy source requires an all-hands-on-deck approach. At last week's ITER workshop, fusion advocacy organizations showed the role [...]

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  • Knowledge dissemination | ITER enters a shared-information era

    Workshop lays groundwork to provide vast amounts of ITER research and expertise to fusion companies. As ITER embarks on an ambitious initiative to accelerate th [...]

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Of Interest

See archived entries

Hot times for fusion plasmas

Fusion plasmas make the front cover of the latest issue of Physics Today (October 2015). (Click to view larger version...)
Fusion plasmas make the front cover of the latest issue of Physics Today (October 2015).
In the October issue of Physics Today, three US researchers
report on recent advances in the understanding of wave-particle physics in tokamaks.

In fusion plasmas, interactions between electromagnetic waves and the most energetic ions can perturb ion orbits enough to expel them from the confining magnetic field, resulting in loss of performance. A better understanding of energetic ion behavior in tokamaks is needed to predict and produce the operating parameters required for a fusion reactor.

Based on experiments and simulations of wave-induced ion transport, researchers David Pace (General Atomics), Bill Heidbrink (University of California, Irvine) and Michael Van Zeeland (General Atomics) have supplied new details on the process. Continued development of wave-particle physics will arm researchers with the ability to predict, and then avoid or mitigate, scenarios at ITER in which alpha particles are transported out of their confined orbits in the plasma.

Read the full article at AIP Scitation.
A pdf version of the article can also be downloaded from the General Atomics website.


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