All Papers - UKAEA Scientific Publications

Showing 1 - 10 of 28 UKAEA Paper Results

UKAEA-CCFE-PR(24)2472023

"The JET hybrid scenario in D, T and DT"
- J. Hobirk
- C. D. Challis
- A. Kappatou
- E. Lerche
- D. Keeling
- D. King
- S. Aleiferis
- E. Alessi
- F. Auriemma
- M. Baruzzo
- E. Belonohy
- I. S. Carvalho
- P. Carvalho
- F. J. Casson
- A. Chomiczewska
- J. Citrin
- I. H. Coffey
- D. Douai
- E. Delabie
- B. Eriksson
- J. Eriksson
- O. Ficker
- A. R. Field
- M. Fontana
- L. Frassinetti
- D. Frigione
- D. Gallart
- J. Garcia
- M. Gelfusa
- L. Giacomelli
- E. Giovannozzi
- C. Giroud
- M. Goniche
- C. Ham
- N. Hawkes
- R. Henriques
- J. Hillesheim
- A. Ho
- I. Ivanova-Stanik
- P. Jacquet
- F. Jaulmes
- E. Joffrin
- H. T. Kim
- V. Kiptily
- K. Kirov
- D. Kos
- E. Kowalska-Strzeciwilk
- H. Kumpulainen
- K. Lawson
- M. Lennholm
- X. Litaudon
- P. Lomas
- E. de la Luna
- C. Maggi
- J. Mailloux
- M. Mantsinen
- M. Maslov
- G. Matthews
- S. Menmuir
- A. Milocco
- K. McClements
- I. G. Miron
- S. Nowak
- F. Orsitto
- L. Piron
- G. Pucella
- E. Peluso
- C. Perez von Thun
- E. Rachlew
- C. Reux
- F. Rimini
- A. Sahlberg
- S. Saarelma
- P. A. Schneider
- M. Sertoli
- S. Sharapov
- S. Silburn
- A. Sips
- P. Siren
- E. Solano
- Z. Stancar
- C. Stuart
- H. Sun
- D. Valcarcel
- M. Valisa
- G. Verdoolaege
- N. Wendler
- D. Weston
- M. Zerbini
The JET hybrid scenario has been developed from low plasma current carbon wall discharges to the record-breaking Deuterium-Tritium plasmas obtained in 2021 with the ITER-like Be/W wall. The development started in pure Deuterium with refinement of the plasma current, and toroidal magnetic field choices and succeeded in solving the heat load challeng…
- Published
UKAEA-CCFE-PR(23)1822023

"Experiments in high-performance JET plasmas in preparation of second harmonic ICRF heating of tritium in ITER"
- M. Mantsinen
- P. Jacquet
- E. Lerche
- D. Gallart
- K. Kirov
- P. Mantica
- D. Taylor
- D. Van Eester
- M. Baruzzo
- I. Carvalho
- C. Challis
- E. Delabie
- E. De La Luna
- R. Dumont
- P. Dumortier
- J. Eriksson
- D. Frigione
- J. Garcia
- L. Garzotti
- C. Giroud
- R. Henriques
- J. Hobirk
- A. Kappatou
- Y. Kazakov
- D. Keeling
- D. King
- V. Kiptily
- M. Lenholm
- P. Lomas
- C. Lowry
- C. Maggi
- J. Mailloux
- M. Maslov
- S. Menmuir
- I. Monakhov
- R.B. Morales
- C. Noble
- M. Nocente
- A. Patel
- G. Pucella
- C. Reux
- D. Rigamonti
- F. Rimini
- A. Sheikh
- S. Silburn
- P. Siren
- E. Solano
- Z. Stancar
- M. Tardochi
The reference ion cyclotron resonance frequency (ICRF) heating schemes for ITER deuterium-tritium (D-T) plasmas at the full magnetic field of 5.3 T are second harmonic heating of tritium and 3He minority heating. The wave-particle resonance location for these schemes coincide and are central at a wave frequency of 53 MHz at 5.3T [1]. Experiments ha…
- Published
UKAEA-CCFE-PR(23)1812023

"isotope physics of heat and particle transport with tritium in JET-ILW H-mode plasmas"
During the DTE2 campaign in the JET tokamak we performed a parameter scan in T and D-T complementing existing pulses in H and D. For the different main ion masses H-modes at fixed plasma current and magnetic field can have the pedestal pressure varying by a factor of 4 and the total pressure changing from betaN = 1.0 to 3.0. Based on this wide data…
- Preprint
- Published
UKAEA-CCFE-PR(23)1802023

"L-H transition studies in recent Tritium and Deuterium-Tritium campaigns at JET"
- E.R. Solano
- G. Birkenmeier
- C. Silva
- E. Delabie
- J.C. Hillesheim
- A. Baciero
- I. Balboa
- M. Baruzzo
- A. Boboc
- M. Brix
- C. Bourdelle
- I.S. Carvalho
- P. Carvalho
- C.D. Challis
- M. Chernyshova
- A. Chomiczewska
- R. Coelho
- T. Craciunescu
- E. de la Cal
- E. de la Luna
- R. Dumont
- P. Dumortier
- M. Fontana
- J.M. Fontdecaba
- L. Frassinetti
- D. Gallart
- J. Garcia
- C. Giroud
- W. Gromelski
- R.B. Henriques
- J. Hall
- A. Ho
- L. Horvath
- P. Jacquet
- I. Jepu
- E. Joffrin
- A. Kappatou
- P.J. Lomas
- D.L. Keeling
- D.B. King
- E. Kowalska-Strzęciwilk
- M. Lennholm
- E. Lerche
- E. Litherland-Smith
- V.G. Kiptily
- K.K. Kirov
- A. Loarte
- B. Lomanowski
- C.F. Maggi
- J. Mailloux
- M.J. Mantsinen
- M. Maslov
- A.G. Meigs
- I. Monakhov
- R.B. Morales
- A.H. Nielsen
- D. Nina
- C. Noble
- E. Pawelec
- M. Poradzinski
- G. Pucella
- P. Puglia
- D. Réfy
- J.J. Rasmussen
- E. Righi-Steele
- F.G. Rimini
- T. Robinson
- M. Sertoli
- S.A. Silburn
- P. Sirén
- Ž. Štancar
- H.J. Sun
- G. Szepesi
- D. Taylor
- B. Thomas
- E. Tholerus
- G. Verdoolaege
- P. Vincenzi
- B. Viola
- N. Vianello
- T. Wilson
- Preprint
- Published
UKAEA-CCFE-PR(23)1702023

"Tritium Neutral Beam Injection on JET: Calibration and Plasma Measurements"
- D.B. King
- R. Sharma
- C.D. Challis
- A. Bleasdal
- E.G. Delabie
- D. Douai
- D. Keeling
- E. Lerche
- M.Lennholm
- J. Mailloux
- G. Matthews
- M. Nicassio
- Z. Stancar
- T. Wilson
Neutral Beam Injection (NBI) is a flexible auxiliary heating method for tokamak plasmas, capable of being efficiently coupled to the various plasma configurations required in the Tritium and mixed DeuteriumTritium Experimental campaign (DTE2) on the JET device. High NBI power was required for high fusion yield and alpha particle studies and to …
- Preprint
- Published
UKAEA-CCFE-PR(23)1212023

"Overview of interpretive modelling of fusion performance in JET DTE2 discharges with TRANSP"
- Ž. Štancar
- K. Kirov
- F. Auriemma
- H.-T. Kim
- M. Poradzinski
- R. Sharma
- R. Lorenzini
- Z. Ghani
- M. Gorelenkova
- F. Poli
- A. Boboc
- S. Brezinsek
- P. Carvalho
- F. J. Casson
- C. Challis
- E. Delabie
- D. Van Eester
- M. Fitzgerald
- J. M. Fontdecaba
- J. Garcia
- L. Garzotti
- C. Giroud
- A. Kappatou
- Y. Kazakov
- D. King
- V. Kiptily
- D. Kos
- E. Lerche
- E. Litherland-Smith
- C. Maggi
- P. Mantica
- M. J. Mantsinen
- M. Maslov
- S. Menmuir
- M. Nocente
- J. Oliver
- S. Sharapov
- P. Siren
- E. R. Solano
- H. J. Sun
- G. Szepesi
- JET Contributors
In the paper we present an overview of interpretive modelling of a database of JET-ILW 2021 D-T discharges using the TRANSP code. Our main aim is to assess our capability of computationally reproducing the fusion performance of various D-T plasma scenarios using different external heating and D-T mixtures, and understand the performance driving mec…
- Published
UKAEA-CCFE-PR(22)092022

"THE DEPENDENCE OF CONFINEMENT ON THE ISOTOPE MASS IN THE CORE AND THE EDGE OF AUG AND JET-ILW H-MODE PLASMAS"
Experiments in ASDEX Upgrade (AUG) and JET with the ITER-like wall (JET-ILW) are performed to separate the pedestal and core contributions to confinement in H-modes with different main ion masses. A strong isotope mass dependence in the pedestal is found which is enhanced at high gas puffing. This is because the ELM type changes when going fro…
- Preprint
- Published
UKAEA-CCFE-CP(23)352021

"Tritium operation of the JET neutral beam systems and Tritium NBI power calculations"
- D B King
- M Nicassio
- A Ash
- C. Balshaw
- A. Barth
- D. Ciric
- I E Day
- E Delabie
- H. El-Haroun
- T. T. C. Jones
- D Keeling
- R King
- S. Marsden
- R McAdams
- A. McShee
- S. Merriman
- A Shepherd
- R. Sharma
- I Turner
- T. Wilson
Neutral Beam Injection (NBI) is a very flexible auxiliary heating method for tokamak plasmas, capable of being efficiently coupled to the various plasma configurations required in the Tritium and Deuterium–Tritium Experimental campaign (DTE2) to be undertaken in the JET device. In particular, experiments for high fusion yield and alpha particl…
- Published
UKAEA-CCFE-CP(23)192021

"CONTROL OF H/D ISOTOPE MIX BY PERIPHERAL PELLETS IN H-MODE PLASMA IN JET"
Control of plasma H:D isotope mix using solely shallow pellets (in H or D) was demonstrated in recent experiments, attaining ~50%:50% ratio. The isotope mix propagates from the edge to the core on the confinement timescale. Isotope dependence of energy confinement is within error bar to scaling laws. A dataset is collected for different pellet s…
- Preprint
UKAEA-CCFE-PR(21)472021

"Visible spectroscopy of highly charged tungsten ions with the JET charge exchange diagnostic"
Visible emission from a broad range of tungsten charge states has complicated plasma ion temperature and toroidal rotation measurements on the JET tokamak since the installation of the ITER-like wall. A plethora of charge exchange emission lines from ions up to W 56+ and 21 suspected magnetic dipole emission lines have so far been observed. In p…
- Preprint
- Published

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