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High-heat flux ball...
High-heat flux ball-pen probe head in ASDEX-Upgrade
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- Grenfell, G. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Adamek, J. (author)
- CAS, Inst Plasma Phys, Slovankou 3, Prague 18200 8, Czech Republic.
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- Komm, M. (author)
- CAS, Inst Plasma Phys, Slovankou 3, Prague 18200 8, Czech Republic.
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- Brida, D. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Conway, G. D. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Manz, P. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.;Univ Greifswald, Inst Phys, Felix Hausdorff Str 6, D-17489 Greifswald, Germany.
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- Tolias, Panagiotis, 1984- (author)
- KTH,Rymd- och plasmafysik
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- Eich, T. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Sestak, D. (author)
- CAS, Inst Plasma Phys, Slovankou 3, Prague 18200 8, Czech Republic.
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- Herrmann, A. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Nishizawa, T. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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- Stroth, U. (author)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany.
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Max Planck Inst Plasma Phys, Boltzmannstr 2, Garching, Germany CAS, Inst Plasma Phys, Slovankou 3, Prague 18200 8, Czech Republic. (creator_code:org_t)
- AIP Publishing, 2022
- 2022
- English.
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In: Review of Scientific Instruments. - : AIP Publishing. - 0034-6748 .- 1089-7623. ; 93:2
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https://doi.org/10.1...
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Abstract
Subject headings
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- A new high heat flux ball-pen probe head installed on the midplane manipulator is currently being used in ASDEX-Upgrade (AUG). The probe was designed to withstand high heat fluxes making possible the investigation of the plasma edge under harsh conditions, such as low power H-mode. Composed of seven pins (four Langmuir probes, mounted in two Mach probe pairs, and three ball-pen probes), the new probe head allows us to measure several plasma parameters simultaneously and with high temporal resolution. A novel method to correct the sheath potential dynamically accounting for the total secondary electron emission is introduced together with applications to obtain the electron temperature and plasma potential profiles. The total secondary electron emission yield is obtained from particle in cell simulations in AUG condition and probe realistic impact angle with respect to the magnetic field. Finally, the probe capability to investigate turbulence around the separatrix of AUG is discussed.& nbsp;
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Grenfell, G.
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Adamek, J.
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Komm, M.
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Brida, D.
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Conway, G. D.
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Manz, P.
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Tolias, Panagiot ...
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Eich, T.
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Sestak, D.
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Herrmann, A.
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Nishizawa, T.
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Stroth, U.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Review of Scient ...
- By the university
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Royal Institute of Technology