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  • Tuomas Tala
2020

Extended investigations of isotope effects on ECRH plasma in LHD

Tanaka, K., Nakata, M., Ohtani, Y., Tokuzawa, T., Yamada, H., Warmer, F., Nunami, M., Satake, S., Tala, T., Tsujimura, T., Takemura, Y., Kinoshita, T., Takahashi, H., Yokoyama, M., Seki, R., Igami, H., Yoshimura, Y., Kubo, S., Shimozuma, T., Akiyama, T. & 14 others, Yamada, I., Yasuhara, R., Funaba, H., Yoshinuma, M., Ida, K., Goto, M., Motojima, G., Shoji, M., Masuzaki, S., Michael, C. A., Vacheslavov, L. N., Osakabe, M., Morisaki, T. & LHD experiment group, Jan 2020, In : Plasma Physics and Controlled Fusion. 62, 2, 024006.

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

1 Citation (Scopus)
2019

Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall

Ström, P., Petersson, P., Rubel, M., Fortuna-Zaleśna, E., Widdowson, A., Sergienko, G., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 1 Apr 2019, In : Journal of Nuclear Materials. 516, p. 202-213 12 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Analysis of the outer divertor hot spot activity in the protection video camera recordings at JET

Drenik, A., Brezinsek, S., Carvalho, P., Huber, V., Osterman, N., Matthews, G. F., Nemec, M., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 1 Feb 2019, In : Fusion Engineering and Design. 139, p. 115-123 9 p.

Research output: Contribution to journalArticleScientificpeer-review

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, 11 Oct 2019, In : Nuclear Fusion. 59, 12, 126030.

Research output: Contribution to journalArticleScientificpeer-review

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

6 Citations (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
2 Citations (Scopus)

Improved neutron activation dosimetry for fusion

Vasilopoulou, T., Stamatelatos, I. E., Batistoni, P., Colangeli, A., Flammini, D., Fonnesu, N., Loreti, S., Obryk, B., Pillon, M., Villari, R., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 1 Feb 2019, In : Fusion Engineering and Design. 139, p. 109-114 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

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
1 Citation (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

5 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
4 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
16 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
6 Citations (Scopus)

Population modelling of the He II energy levels in tokamak plasmas: I. Collisional excitation model

Lawson, K. D., Aggarwal, K. M., Coffey, I., Keenan, F. P., O'Mullane, M. G., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Siren, P., Tala, T. & JET Contributors, 23 Jan 2019, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 52, 4, 045001.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
2018

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

12 Citations (Scopus)

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

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

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

8 Citations (Scopus)

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.

Research output: Contribution to conferenceConference AbstractScientific

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

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

Open Access

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. American Physical Society, 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

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

6 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
11 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

27 Citations (Scopus)

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

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

2 Citations (Scopus)

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

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
58 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
105 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

3 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
16 Citations (Scopus)
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

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

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

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

1 Citation (Scopus)
2014

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

13 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
2 Citations (Scopus)

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

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

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 journalArticle

2 Citations (Scopus)
2012

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 journalArticle

4 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

10 Citations (Scopus)