T.K. Keenan

JET machine operations in T&D-T

E. Abdelrahman, Azizah Abdul Hamid, N. Abid, K. Abraham et autres

Abstract JET, the world’s largest operating tokamak with unique Be/W wall and tritium handling capability, completed a Deuterium-Tritium (D-T) campaign in 2021 (Maggi et al 29th Fusion Energy Conf.) following a decade of preparatory experiments, dedicated enhancements, technical rehearsals and training (Horton …

Overview of the JET results in support to ITER

X. Litaudon, S. Abduallev, M. Abhangi, P. Abreu et autres

Documento escrito por un elevado número de autores/as, sólo se referencia el/la que aparece en primer lugar y los/as autores/as pertenecientes a la UC3M.

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Operational aspects of the JET tritium introduction modules

David J. Wilson, T.K. Keenan, R. Felton, É. Belonohy et autres

As part of the JET Programme in Support for ITER, campaigns with pure Tritium (TT) fuel and Deuterium-Tritium (DT) mixtures are planned at JET. Unlike previous DT campaigns a much higher tritium flow rate, particularly during TT operation, is required. Five Tritium …

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Technical rehearsal of tritium operation at JET

É. Belonohy, Arron Baker, N. Balshaw, Peter Blatchford et autres

The final phase of the JET Programme in Support of ITER plans to operate with 100% tritium (TT) followed by deuterium-tritium (DT) operation, to help minimise risks and delays in the execution of the ITER Research Plan and the achievement of a …

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Nitrogen retention mechanisms in tokamaks with beryllium and tungsten plasma-facing surfaces

M. Oberkofler, G. Meisl, A. Hakola, A. Drenik et autres

Global gas balance experiments at ASDEX Upgrade (AUG) and JET have shown that a considerable fraction of nitrogen injected for radiative cooling is not recovered as N 2 upon regeneration of the liquid helium cryo pump. The most probable loss channels are …

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Tritium introduction module design for the JET tokamak

David J. Wilson, T.K. Keenan, I.S. Carvalho, J. Naish et autres

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Technical rehearsal of DT operation at JET

E. E. Belonohy, N. Balshaw, Peter Blatchford, P. Camp et autres

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Nitrogen retention mechanisms in tokamaks with metallic plasma-facing materials

M. Oberkofler, D. Alegre, F. Aumayr, S. Brezinsek et autres

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Gas analyses of the first complete JET cryopump regeneration with ITER-like wall

S. Romanelli, S. Brezinsek, B. Butler, J.P. Coad et autres

Analytical results of a complete JET cryopump regeneration, including the nitrogen panel, following the first ITER-like wall campaign are presented along with the in situ analyses of residual gas. H/D mixtures and impurities such as nitrogen and neon were injected during plasma …

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Efd-C(13)01/01 Gas Analyses Of First Complete Jet Cryopump Regeneration With Iter-Like Wall

S. Romanelli, S. Brezinsek, B. Butler, J.P. Coad et autres

Analytical results of a complete JET cryopump regeneration, including the nitrogen panel, following the first ITER-Like Wall campaign are presented along with the in-situ analyses of residual gas. H/D mixtures and impurities such as nitrogen and neon were injected during plasma operation …

Wall conditioning of JET with the ITER-Like Wall

D. Douai, S. Brezinsek, H.G. Esser, E. Joffrin et autres

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Investigation of a solar thermal powered pump for agricultural application. Final report

D. E. Calkins, T.K. Keenan, E. R. Bate

A simple solar thermal powered water raising device, for irrigation applications, has been investigated. The concept is based on the use of a closed piston system comprising a condensable working fluid and an array of solar collector panels in conjunction with a …