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J. W. Coenen

Researcher at Forschungszentrum Jülich

Publications -  173
Citations -  5719

J. W. Coenen is an academic researcher from Forschungszentrum Jülich. The author has contributed to research in topics: Tungsten & Divertor. The author has an hindex of 38, co-authored 165 publications receiving 4651 citations. Previous affiliations of J. W. Coenen include Culham Centre for Fusion Energy & Oak Ridge National Laboratory.

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Atmospheric plasma spraying of functionally graded steel/tungsten layers for the first wall of future fusion reactors

TL;DR: In this paper, a modified water-stabilized atmospheric plasma spraying set-up is used to deposit uniform and functionally graded steel/tungsten coatings at elevated substrate temperatures.
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Smart tungsten alloys as a material for the first wall of a future fusion power plant

TL;DR: In this article, the authors showed that the oxidation rate constant of the yttrium-containing thin film is 105 times less than that of pure tungsten, while the oxidation of exposed samples has proven no effect of plasma exposure on the oxidation resistance.
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New oxidation-resistant tungsten alloys for use in the nuclear fusion reactors

TL;DR: Smart tungsten-based alloys are under development as plasma-facing components for a future fusion power plant as mentioned in this paper, which are planned to adjust their properties depending on environmental conditions: acting as a sputter-resistant plasmafacing material during plasma operation and suppressing the sublimation of radioactive Tungsten oxide in case of an accident on the power plant.
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Rotation and radial electric field in the plasma edge with resonant magnetic perturbation at TEXTOR

TL;DR: In this paper, the radial electric field Er can be deduced from the radial force balance when small amplitude resonant magnetic perturbations are applied to the plasma boundary (Br/Btor ~ 10?4).