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2019

Density Peaking in JET - Driven by Fuelling or Transport?

Tala, T., Nordman, H., Salmi, A., Bourdelle, C., Citrin, J., Czarnecka, A., Eriksson, F., Fransson, E., Giroud, C., Hillesheim, J., Maggi, C., Mantica, P., Mariani, A., Maslov, M., Meneses, L., Menmuir, S., Mordijck, S., Naulin, V., Oberparleiter, M., Sips, G. & 4 others, Tegnered, D., Tsalas, M., Weisen, H. & JET Contributors, 1 Dec 2019, In : Nuclear Fusion. 59, 12, 126030.

Research output: Contribution to journalArticleScientificpeer-review

Joint European Torus
refueling
beam injection
neutral beams
transport properties
4 Citations (Scopus)

Dependence on plasma shape and plasma fueling for small edge-localized mode regimes in TCV and ASDEX Upgrade

Culham Science Centre, 26 Jun 2019, In : Nuclear Fusion. 59, 8, 13 p., 086020.

Research output: Contribution to journalArticleScientificpeer-review

refueling
ballooning modes
flattening
plasma density
shear
1 Citation (Scopus)

Impact of fast ions on density peaking in JET: Fluid and gyrokinetic modeling

Eriksson, F., Oberparleiter, M., Skyman, A., Nordman, H., Strand, P., Salmi, A., Tala, T. & JET Contributors, 2019, In : Plasma Physics and Controlled Fusion. 61, 7, 10 p., 075008.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Fluids
fluids
Ions
ions
temperature gradients

Interpretative and predictive modelling of Joint European Torus collisionality scans

Eriksson, F., Fransson, E., Oberparleiter, M., Nordman, H., Strand, P., Salmi, A. & Tala, T., 23 Sep 2019, In : Plasma Physics and Controlled Fusion. 61, 11, 115004.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Joint European Torus
beam injection
Magnetoelectric effects
Plasmas
neutral beams
3 Citations (Scopus)

Isotope identity experiments in JET-ILW with H and D L-mode plasmas

Maggi, C. F., Weisen, H., Casson, F. J., Auriemma, F., Lorenzini, R., Nordman, H., Delabie, E., Eriksson, F., Flanagan, J., Keeling, D., King, D., Horvath, L., Menmuir, S., Salmi, A., Sips, G., Tala, T. & Voitsekhovich, I., 2019, In : Nuclear Fusion. 59, 7, 11 p., 076028.

Research output: Contribution to journalArticleScientificpeer-review

isotopes
thermal energy
heat
ion temperature
shearing
3 Citations (Scopus)

Overview of physics studies on ASDEX Upgrade

Hakola, A. H., Tala, T., et al. & ASDEX Upgrade Team, 22 Jul 2019, In : Nuclear Fusion. 59, 11, 112014.

Research output: Contribution to journalReview ArticleScientificpeer-review

Open Access
physics
crashes
heating
perturbation
turbulence
10 Citations (Scopus)

Overview of the JET preparation for deuterium-tritium operation with the ITER like-wall

Aho-Mantila, L., Airila, M., Hakola, A., Kaltiaisenaho, T., Koivuranta, S., Likonen, J., Salmi, A., Sirén, P., Tala, T. & JET Contributors, 30 Aug 2019, In : Nuclear Fusion. 59, 11, 112021.

Research output: Contribution to journalReview ArticleScientificpeer-review

Open Access
tritium
deuterium
preparation
physics
fusion
3 Citations (Scopus)

Physics research on the TCV tokamak facility: From conventional to alternative scenarios and beyond

Coda, S., Hakola, A., Salmi, A., Tala, T. & et al., 30 Aug 2019, In : Nuclear Fusion. 59, 11, 112023.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
physics
refueling
neutral beams
inoculation
detachment
2018
12 Citations (Scopus)

14 MeV calibration of JET neutron detectors-phase 1: Calibration and characterization of the neutron source

Batistoni, P., Popovichev, S., Cufar, A., Ghani, Z., Giacomelli, L., Jednorog, S., Klix, A., Lilley, S., Laszynska, E., Loreti, S., Packer, L., Peacock, A., Pillon, M., Price, R., Rebai, M., Rigamonti, D., Roberts, N., Tardocchi, M., Thomas, D., Aho-Mantila, L. & 12 others, Airila, M., Hakola, A., Kim, H., Koivuranta, S., Lahtinen, A., Likonen, J., Liu, Y., Makkonen, T., Nordman, H., Salmi, A., Siren, P. & Tala, T., 1 Feb 2018, In : Nuclear Fusion. 58, 2, 24 p., 026012.

Research output: Contribution to journalArticleScientificpeer-review

neutron counters
neutron sources
neutrons
generators
vessels

Core Density Peaking Experiments in JET, DIII-D and C-Mod in Various Operational Scenarios Driven by Fuelling or Transpor

Tala, T., Hughes, J. W., Mordijck, S., Nordman, H., Salmi, A., Bourdelle, C., Citrin, J., Agatha, C., Giroud, C., Hillesheim, J., Hubbard, A. E., Maggi, C. F., Mantica, P., Maslov, M., Meneses, L., Menmuir, S., Naulin, V., Oberparleiter, M., Sips, A. C. C., Skyman, A. & 4 others, Tegnered, D., Tsalas, M., Tolman, E. A. & Weisen, H., 2018, p. 179-180. 180 p.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

Open Access

Density profile peaking on DIII-D and JET – fuelling versus transport

Salmi, A., Tala, T., Mordijck, S., Nordman, H. & Hughes, J. W., 2018.

Research output: Contribution to conferenceConference AbstractScientific

Open Access
refueling
profiles
radii
diffusion coefficient
modulation

Effect of opacity on the density pedestal structure in DIII-D and Alcator C-Mod

Mordijck, S., Groebner, R. J., Osborne, T., Carlstrom, T. N., Glass, F., Snyder, P. B., Hughes, J. W., Järvinen, A. E., Salmi, A., Tala, T., Laggner, F., McKee, G. R., Moyer, R. A., Rhodes, T. L. & Zeng, L., 2018.

Research output: Contribution to conferenceConference AbstractScientific

Open Access
opacity
gases
asymmetry
ionization
refueling
6 Citations (Scopus)

Observation of enhanced ion particle transport in mixed H/D isotope plasmas on JET

JET Contributors, 4 Jun 2018, In : Nuclear Fusion. 58, 7, 076022.

Research output: Contribution to journalArticleScientificpeer-review

isotopes
convection
particle diffusion
ions
beam injection

Particle sources and SOL dynamics in JET strike point sweeping experiments

JET Contributors, 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Coda, S., Weber, S., Berndt, J., Michaut, C., Lapenta, G. & Mantsinen, M. (eds.). European Physical Society, Vol. 2018. p. 1176-1179 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Particle Transport From the Bottom Up

Mordijck, S., Zeng, L., Rhodes, T. L., Schmitz, L., Hughes, J. W., Tala, T., Salmi, A., Baranov, Y., Petty, C. C., Groebner, R. J. & Moser, A. L., 2018, 27th IAEA Fusion Energy Conference: Programme & Book of Abstracts. International Atomic Energy Agency IAEA, p. 327

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

Predicting the Toroidal Rotation Profile for ITER

Chrystal, C., Grierson, B. A., Haskey, S. R., deGrassie, J. S., Staebler, G. M., Tala, T. & Salmi, A., 2018, 27th IAEA Fusion Energy Conference: Programme & Book of Abstracts. International Atomic Energy Agency IAEA, p. 182 182 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

Predicting the Toroidal Rotation Profile for ITER

Chrystal, C., Grierson, B. A., haskey, S. R., deGrassie, J. S., Staebler, G. M., Tala, T. & Salmi, A., 2018.

Research output: Contribution to conferenceConference AbstractScientific

profiles
torque
momentum
ions
neutral beams

Rotation Profile Hollowing in DIII-D Low-Torque Electron-Heated H-Mode Plasmas

Grierson, B. A., Ernst, D. R., Chrystal, C., Tala, T., Rhodes, T. L., McKee, G. R., haskey, S. R., Bardoczi, L. & Salmi, A., 2018, 27th IAEA Fusion Energy Conference: Programme & Book of Abstracts. International Atomic Energy Agency IAEA, p. 325-326

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access
2017

Advances in understanding and control of plasma rotation on DIII-D

Grierson, B., Logan, N., Haskey, S., Ashourvan, A., Ernst, D., Chrystal, C., Degrassie, J., Boedo, J., Tala, T. & Salmi, A., 2017, 59th Annual Meeting of the APS Division of Plasma Physics. BAPS.2017.DPP.BO4.7. (Bulletin of the American Physical Society; No. 12, Vol. 62).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access
torque
momentum
scaling
braking
beam injection
5 Citations (Scopus)

A path to stable low-torque plasma operation in ITER with test blanket modules

Lanctot, M., Snipes, J. A., Reimerdes H, U., Paz-Soldan, C., Logan, N., Hanson, J. M., Buttery, RJ., deGrassie, J., Garofalo, A. M., Gray, T. K., Grierson, B. A., King, J. D., Kramer, G. J., La Haye, R., Pace, D. C., Park, J. K., Salmi, A., Shiraki, S., Strait, E. J., Solomon, W. M. & 2 others, Tala, T. & Van Zeeland, M. A., 2017, In : Nuclear Fusion. 57, 3, 036004.

Research output: Contribution to journalArticleScientificpeer-review

blankets
torque
modules
coils
magnetic fields
9 Citations (Scopus)

Dependence of intrinsic torque and momentum confinement on normalized gyroradius and collisionality in the DIII-D tokamak

Chrystal, C., Grierson, B., Solomon, W., Tala, T., deGrassie, J., Petty, C., Salmi, A. & Burrell, K., 2017, In : Physics of Plasmas. 24, 4, 042501.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
torque
momentum
beam injection
neutral beams
scaling
25 Citations (Scopus)

Effcient generation of energetic ions in multi-ion plasmas by radio-frequency heating

Kazakov, Y., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Pehkonen, S-P., Salmi, A., Siren, P., Tala, T. & et al., 4 Oct 2017, In : Nature Physics. 13, 10, p. 973-978 6 p.

Research output: Contribution to journalArticleScientificpeer-review

radio frequency heating
ions
Joint European Torus
plasma composition
space plasmas

Four separate dimensionless collisionality scans in various JET scenarios

Tala, T., Nordman, H., Salmi, A., Tegnered, D., Bourdelle, C. & et al., 1 Jan 2017, 44th EPS Conference on Plasma Physics, EPS 2017. Bret, A., Fajardo, M., Westerhof, E., Melzer, A., Dromey, B. & Riconda, C. (eds.). Institute of Physics IOP, 4 p. P4.136

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Investigation of gas fuelling characteristics in JET experiments

Salmi, A., Gomes, R., Harrison, J., Järvinen, A., Meneses, L., Mordijck, S., Naulin, V., Rasmussen, J. J., Tala, T., Thrysøe, A. S., Wynn, A., Belonohy, E., Loarte, A., Maslov, M., Romanelli, M., Sips, A. C. C. & Tsalas, M., 1 Jan 2017, 44th EPS Conference on Plasma Physics, EPS 2017. Bret, A., Fajardo, M., Westerhof, E., Melzer, A., Dromey, B. & Riconda, C. (eds.). European Physical Society, 4 p. P1.122. (Europhysics Conference Abstracts, Vol. 41F).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
2 Citations (Scopus)

Neutral beam optimisation for the spherical tokamak ST40

Salmi, A., Gryaznevich, M., Buxton, P., Nightingale, M. & Tala, T., 1 Apr 2017, In : Fusion Engineering and Design. 117, p. 14-19 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Torque
Orbits
Magnetic fields
Plasmas
Heating

On the interpretation of perturbative momentum transport studies

Camenen, Y., McDermott, R., Salmi, A. & Tala, T., 1 Jan 2017, 44th EPS Conference on Plasma Physics, EPS 2017. Bret, A., Fajardo, M., Westerhof, E., Melzer, A., Dromey, B. & Riconda, C. (eds.). Institute of Physics IOP, P5.181

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

57 Citations (Scopus)

Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution

Hakola, A., Aho-Mantila, L., Pehkonen, S-P., Salmi, A., Tala, T. & et al., 28 Jun 2017, In : Nuclear Fusion. 57, 10, 102014.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
detachment
perturbation
heat
configurations
coverings
100 Citations (Scopus)

Overview of the JET results in support to ITER

Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 15 Jun 2017, In : Nuclear Fusion. 57, 10, 102001.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
installing
deuterium
flux density
fusion
scaling
3 Citations (Scopus)

Perturbative momentum transport in MAST L-mode plasmas

Guttenfelder, W., Field, A. R., Lupelli, I., Tala, T., Kaye, S. M., Ren, Y. & Solomon, W. M., 28 Mar 2017, In : Nuclear Fusion. 57, 5, 056022.

Research output: Contribution to journalArticleScientificpeer-review

momentum
low aspect ratio
convection
electromagnetism
brakes
14 Citations (Scopus)

Predicting rotation for ITER via studies of intrinsic torque and momentum transport in DIII-D

Chrystal, C., Grierson, B., Staebler, G., Petty, C., Solomon, W., deGrassie, J., Burrell, K., Tala, T. & Salmi, A., 1 May 2017, In : Physics of Plasmas. 24, 5, 056113.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
torque
momentum
predictions
profiles
shear
2016

Density driven rotation changes in DIII-D low collisionality H-mode plasmas

Mordijck, S., Chrystal, C., Grierson, B., Ko, W-H., Rhodes, T. L., Schmitz, L., Zeng, L., Diamond, P. H., Doyle, E. J., Petty, C. C., Salmi, A., Solomon, W. M., Staebler, G. M., Tala, T. & Wang, X., 2016, Europhysics Conference Abstracts. European Physical Society, P5.033

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

TBM torque scaling with âN in DIII-D

Salmi, A., Lancot, M., Logan, N. C., Tala, T., deGrassie, J. S., Grierson, B. A., Paz-Solden, C. & Solomon, W. M., 2016, Europhysics Conference Abstracts. European Physical Society, P5.029

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

TBM torque scaling with βN in DIII-D

Salmi, A., Lancot, M., Logan, N. C., Tala, T., Degrassie, J. S., Grierson, B. A., Paz-Soldan, C. & Solomon, W. M., 1 Jan 2016, 43rd European Physical Society Conference on Plasma Physics, EPS 2016. European Physical Society

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

blankets
torque
modules
scaling
plasma pressure
2015

Association Euratom-Tekes: Final summary report 2007-2013

Airila, M. & Tala, T., 2015, VTT Technical Research Centre of Finland. 29 p. (VTT Technology; No. 214).

Research output: Book/ReportReport

Open Access
physics
fusion
power plants
vessels
education
1 Citation (Scopus)

Dimensionless collisionality scans for core particle transport in JET

Tala, T., Mantica, P., Salmi, A., Bourdelle, C., Giroud, C., Hillesheim, J., Maggi, C., Meneses, L., Maslov, M., Menmuir, S., Moradi, S., Mordijck, S., Naulin, V., Nordman, H., Rasmussen, J. J., Sips, G., Sirinelli, A., Tsalas, M. & Weisen, H., 1 Jan 2015.

Research output: Contribution to conferenceConference articleScientificpeer-review

refueling
plasma density
1 Citation (Scopus)

Particle source and edge transport studies in JET H-mode gas puff modulation experiments

Salmi, A., Tala, T., Mantica, P., Järvinen, A., Meneses, L., Mordijck, S., Naulin, V., Rasmussen, J. J., Svensson, J., Giacomelli, L., Gomes, R., Groth, M., Koskela, T., Maggi, C., Maslov, M., Sips, G. & Weisen, H., 1 Jan 2015.

Research output: Contribution to conferenceConference articleScientificpeer-review

2014
12 Citations (Scopus)

Angular momentum transport modeling: Achievements of a gyrokinetic quasi-linear approach

Cottier, P., Bourdelle, C., Camenen, Y., Gürcan, Ö. D., Casson, F. J., Garbet, X., Hennequin, P. & Tala, T., 2014, In : Plasma Physics and Controlled Fusion. 56, 1, 015011.

Research output: Contribution to journalArticleScientificpeer-review

Angular momentum
Momentum
angular momentum
momentum
Fluxes
2 Citations (Scopus)

Gas puff modulation experiments in JET L- and H-mode plasmas

Salmi, A., Tala, T., Bourdelle, C., Mantica, P., Meneses, L., Mordjick, S., Bufferand, H., Clever, M., Svensson, J., Tamain, P., Groth, M., Hillesheim, J., Maggi, C., Maslov, M., Naulin, V., Juul Rasmussen, J., Sips, G., Sirinelli, A., Tsalas, M., Weisen, H. & 2 others, Wischmeier, M. & JET-EFDA collaborators, 2014. 4 p.

Research output: Contribution to conferenceConference AbstractScientific

Open Access
modulation
gases
refueling
carbon

Identification of intrinsic torques in ASDEX upgrade H-mode plasmas

Tala, T., McDermott, R., Salmi, A., Angioni, C., Odstrcil, T., Pütterich, T., Ryter, F., Solomon, W., Tardini, G. & Viezzer, E., 2014, 25th IAEA Fusion Energy Conference: Programme, Abstracts, and Contributions. International Atomic Energy Agency IAEA, p. EX/P1-21 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Open Access
torque
plasma currents
modulation
profiles
counters

Particle transport via gas puff modulation experiments in JET

Salmi, A., Tala, T., Bourdelle, C., Bufferand, H., Mantica, P., Meneses, L., Mordjick, S., Tamain, P., Groth, M., Hillesheim, J., Maggi, C., Maslov, M., Naulin, V., Juul Rasmussen, J., Sips, G., Sirinelli, A., Tsalas, M., Weisen, H., Wischmeier, M. & contributors, JET-EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

Role of turbulence regime and ExB shear upon particle transport in DIII-D H-mode plasmas

Mordijck, S., Zeng, L., Schmitz, L., Doyle, E. J., Ko, W-H., Wang, X., Rhodes, T. L., Staebler, G., Diamond, P. H., Grierson, B., McKee, G. R., Petty, C. C., Salmi, A., Solomon, W., Tala, T. & DIII-D Team, 2014.

Research output: Contribution to conferenceConference articleScientific

2013

Current profile modelling in JET and JT-60U identity experiments

Sirén, P., Tala, T., Corrigan, G., Garcia, J., Litaudon, X., Salmi, A. & JET-EFDA collaborators, 2013, 40th EPS Conference on Plasma Physics. European Physical Society, 4 p. P2.162. (Europhysics Conference Abstracts, Vol. 37D).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
2 Citations (Scopus)

Discriminating the role of rotation and its gradient in determining ion stiffness mitigation in JET

JET-EFDA collaborators, 2013, In : Plasma Physics and Controlled Fusion. 55, 2, 7 p., 025010.

Research output: Contribution to journalArticleScientificpeer-review

stiffness
Stiffness
gradients
Ions
ions
2012
4 Citations (Scopus)

Estimate of convection-diffusion coefficients from modulated perturbative experiments as an inverse problem

JET-EFDA collaborators, 2012, In : Plasma Physics and Controlled Fusion. 54, 12, 124025.

Research output: Contribution to journalArticleScientificpeer-review

conditioning
Inverse problems
convection
diffusion coefficient
estimates
9 Citations (Scopus)

Identification of the ubiquitous Coriolis momentum pinch in JET tokamak plasmas: Letter

Weisen, H., Camenen, Y., Salmi, A., Versloot, T. W., de Vries, P. C., Maslov, M., Tala, T., Beurskens, M., Giroud, C. & JET-EFDA collaborators, 2012, In : Nuclear Fusion. 52, 4, 6 p., 042001.

Research output: Contribution to journalArticleScientificpeer-review

rotating plasmas
momentum
neutral beams
Prandtl number
residual stress
47 Citations (Scopus)

Improved confinement in JET hybrid discharges

JET-EFDA collaborators, 2012, In : Plasma Physics and Controlled Fusion. 54, 9, 095001.

Research output: Contribution to journalArticleScientificpeer-review

Plasma confinement
Heating
Physics
Plasmas
Scaling laws
15 Citations (Scopus)

Ion cyclotron range of frequency mode conversion flow drive in D(3He) plasmas on JET

Lin, Y., Mantica, P., Hellsten, T., Kiptily, V., Lerche, E., Nave, M. F. F., Rice, J. E., Van Eester, D., De Vries, P. C., Felton, R., Giroud, C., Tala, T. & contributors, JET. EFDA., 2012, In : Plasma Physics and Controlled Fusion. 54, 7, 074001.

Research output: Contribution to journalArticleScientificpeer-review

Cyclotrons
cyclotrons
Plasmas
Ions
Mach number
13 Citations (Scopus)

JET intrinsic rotation studies in plasmas with a high normalized beta and varying toroidal field ripple

Nave, M. F. F., Eriksson, L. G., Giroud, C., Johnson, T. J., Kirov, K., Mayoral, M. L., Noterdaeme, J. M., Ongena, J., Saibene, G., Sartori, R., Rimini, F., Tala, T., De Vries, P. & Zastrow, K. D., 1 Jul 2012, In : Plasma Physics and Controlled Fusion. 54, 7, 074006.

Research output: Contribution to journalArticleScientificpeer-review

ripples
Plasmas
Cyclotron resonance
cyclotron resonance
scaling
11 Citations (Scopus)

Momentum transport studies from multi-machine comparisons

ITPA Transport & Confinement Topical Group, 2012, In : Nuclear Fusion. 52, 12, 123005.

Research output: Contribution to journalArticleScientificpeer-review

momentum
diffusivity
transport properties
safety factors
Larmor radius

New technique for the calculation of transport profiles in modulation experiments

Escande, D., Sattin, F., Camenen, Y., Salmi, A. & Tala, T., 2012, Programme, Abstracts, Presentations & Proceedings: 24th IAEA Fusion Energy Conference, October 8-13, 2012, San Diego, USA. International Atomic Energy Agency IAEA, 8 p. TH/P2-18

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
modulation
profiles
transport properties
matrices
functionals