All Papers - UKAEA Scientific Publications

Showing 1 - 10 of 22 UKAEA Paper Results

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(22)482022

"SOL PROFILE AND FLUCTUATIONS IN DIFFERENT DIVERTOR RECYCLING CONDITIONS IN H-MODE PLASMAS"
- N. VIANELLO
- N. WALKDEN
- M. DUNNE
- B. LOMANOWSKI
- E. WOLFRUM
- C. TSUI
- A. STAGNI
- M. GRIENER
- B. TAL
- T. EICH
- D. REFY
- D. BRIDA
- O. FEVRIER
- M. AGOSTINI
- H. DE OLIVEIRA
- S. ALEIFERIS
- M. BERNERT
- J. BOEDO
- M. BRIX
- D. CARRALERO
- I. CARVALHO
- L. FRASSINETTI
- C. GIROUD
- A. HAKOLA
- A. HUBER
- . KARHUNEN
- J, A. KARPUSHOV
- B. LABIT
- A. MEIGS
- V. NAULIN
- T. PEREIRA
- C. PEREZ VON THUN
- H. REIMERDES
- C. THEILER
- the ASDEX Upgrade Team
- the TCV team
- the EUROfusion MST1 Team
- the JET Contributors
The evolution of SOL density profiles and fluctuations have been studied at different recycling levels in 3 different tokamaks, ASDEXUpgrade, TCV and JET, all operated in HMode. In all devices we clearly observe an increase of far SOL efolding length at high …
- Preprint
- Published
UKAEA-CCFE-PR(22)222022

"Lost Alpha Faraday Cup Foil Noise Characterization During JET Plasma Post-Processing Analysis"
Capacitive plasma pickup is a well-known and difficult problem for plasma-facing edge diagnostics. Ths problem must be addressed to ensure an accurate and robust interpretation of the real signal measurements versus noise. JET’s Faraday cup fast ion loss detector array is particularly prone to this issue and can be used as a …
- Preprint
- Purchase
UKAEA-CCFE-PR(23)1002021

"Observation of low temperature VUV tungsten emission in JET divertor plasmas"
The properties of tungsten make it ideal for use as a plasma facing surface in the divertor of large plasma machines such as JET and ITER. However, the intense heat and particle fluxes that fall on the divertor surfaces lead to its release from these surfaces into the plasma and it is necessary to model its transport from the divertor and plasma…
- Preprint
UKAEA-CCFE-CP(23)132021

"High Performance ITER-baseline discharges in Deuterium with nitrogen and neon-seeding in the JET-ILW"
- C. Giroud
- S. Brezinsek
- R. Pitts
- I.S. Carvalho
- A. Huber
- E. Kaveeva
- D. Keeling
- J. Mailloux
- S. Aleiferis
- B. Chapman
- S. Henderson
- L. Garzotti
- E. Lerche
- M. MArin
- M. Maslov
- M. Brix
- P. Carvalho
- I. Coffey
- J. Fontdecaba
- L. Horvath
- I. Jepu
- J. Karhunen
- E. Litherland-Smith
- A. Meigs
- R.B. Morales
- T. Pereira
- D. Refy
- Z. Stancar
- M. Sertoli
- S. Silburn
- G. Szepesi
- A. Thorman
- M. Tomes
- I. Veselova
- B. Viola
- S. Wiesen
- JET contributors,
JET has investigated one the key issues for the baseline scenario in ITER, the integration of a radiative divertor for heat load control with the use of neon and nitrogen as seed impurity. A characterization of the choice of the impurity seed on plasma confinement, neutrons, pedestal MHD stability, pedestal instabilities, core transport is given…
- Preprint
UKAEA-CCFE-CP(20)1232020

"Use of the CHEM He II atomic data in JET EDGE2D-EIRENE simulations"
- K D Lawson
- M Groth
- D Harting
- S Menmuir
- K M Aggarwal
- S Brezinsek
- I H Coffey
- G Corrigan
- F P Keenan
- C F Maggi
- A G Meigs
- M G O'Mullane
- S Wiesen
- Preprint
- Published
UKAEA-CCFE-CP(20)1212020

"Parameter dependencies of the experimental nitrogen concentration required for detachment on ASDEX Upgrade and JET"
- S. S. Henderson
- M. Bernert
- C. Giroud
- D. Brida
- M. Cavedon
- P. David
- R. Dux
- J. R. Harrison
- A. Huber
- A. Kallenbach
- J. Karhunen
- B. Lomanowski
- G. Matthews
- A. Meigs
- R. A. Pitts
- F. Reimold
- M. L. Reinke
- S. Silburn
- N. Vianello
- S. Wiesen
- M. Wischmeier
While current tokamak experiments are beginning to utilise real-time feedback control systems to manage the plasma exhaust, future tokamaks still require validation of theoretical models used to predict the threshold impurity concentration required to facilitate stationary divertor operation. This work exploits new spectroscopic measurements of …
- Preprint
- Published
UKAEA-CCFE-CP(20)972020

"Upgrades and enhancements of the in-vessel calibration light source on JET"
- N J Conway
- A Cackett
- C F Maggi
- A G Meigs
- K-D Zastrow
- T M Biewer
- D L Hillis
Since 2010, an in-vessel calibration light source (ICLS) has been used periodically on JET to calibrate a range of diagnostics at UV, visible and IR wavelengths. During shutdowns, the ICLS (essentially an integrating sphere) is positioned within the vacuum vessel by the remote handling (RH) system. Following the 2013 run, several changes were made …
- Preprint
- Published
UKAEA-CCFE-CP(20)982018

"Optimization of JET-DT and ITER operation by developing an understanding of the role of low-Z impurity on the H-mode pedestal"
- C. Giroud
- N. Aiba
- F. Militello
- C. Challis
- A. Chankin
- B. Lomanowski
- D. Hatch
- J. Harrison
- D. Frigione
- D. Moulton
- S. Pamela
- F. Parra
- J. Parisi
- I. Putzai
- D. Refy
- S. Saarelma
- C. Stavrou
- B. Tal
- E. Belonohy
- S. Brezinsek
- S. Buller
- C. Bowman
- E. Delabie
- A. Field
- J. Fontdecaba
- A. Huber
- A. Meigs
- S. Menmuir
- J. Simpson
- JET Contributors
- Preprint
- Published
UKAEA-CCFE-CP(19)482019

"Comparisons of new He II atomic data with JET line ratio measurements and their application to EDGE2D-EIRENE simulations"
- K D Lawson
- M Groth
- D Harting
- S Menmuir
- D Reiter
- K M Aggarwal
- S Brezinsek
- I H Coffey
- G Corrigan
- F P Keenan
- C F Maggi
- A G Meigs
- M G O’Mullane
- S Wiesen
- JET Contributors
An understanding of the plasma edge and divertor is essential for predicting the performance of next-step machines such as ITER. Transport codes used to study the divertor behaviour [1] employ atomic physics data in two applications. The first is to predict the power radiated by the fuel and impurity atoms, which is carried out as a post-processing…
- Preprint
- Published

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