Find Research Outputs

Beryllium migration during JET ITER-LikeWall divertor operation

Airila, M., Borodin, D., Järvinen, A., Groth, M., Harting, D., Wiesen, S., Kirschner, A., Brezinsek, S., Lawson, K., Lasa, A., Coad, J. P., Heinola, K., Likonen, J., Rubel, M., Widdowson, A. & Contributors, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

Open Access
carbon
impurities
theses
simulation
electric fields
6 Citations (Scopus)

Model-based radiation scalings for the ITER-like divertors of JET and ASDEX Upgrade

Aho-Mantila, L., Bonnin, X., Coster, D. P., Lowry, C., Wischmeier, M., Brezinsek, S., Federici, G., Team, ASDEX. U. & Contributors, JET-EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 546-550

Research output: Contribution to journalArticleScientificpeer-review

scaling
Radiation
Scaling laws
radiation
inoculation

Validated model-based radiation scalings for the ITER-like divertors of JET and ASDEX Upgrade

Aho-Mantila, L., Lowry, C., Marsen, S., Müller, H. W., Potzel, S., Wischmeier, M., Bonnin, X., Brezinsek, S., Federici, G., Team, ASDEX. U. & Contributors, JET-EFDA., 2014, Book of abstract. National Institute for Fusion Science, O27

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

21 Citations (Scopus)

Overview of the JET ITER-like wall divertor

Widdowson, A., Alves, E., Baron-Wiechec, A., Barradas, N. P., Catarino, N., Coad, J. P., Corregidor, V., Garcia-Carrasco, A., Heinola, K., Koivuranta, S., Krat, S., Lahtinen, A., Likonen, J., Mayer, M., Petersson, P., Rubel, M. & Van Boxel, S., 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 499-505 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Coatings
Tungsten
Tile
Carbon fibers
Dust

ERO modelling of local deposition of 13C tracer at the outer divertor of JET tokamak

Airila, M. I., Aho-Mantila, L. K., Brezinsek, S., Coad, J. P., Kirschner, A., Likonen, J., al, E. & Contributors, A. JET. EFDA., 2009, 12th International Workshop on Plasma-Facing Materials and Components for Fusion Applications, PFMC-12. P-67

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

9 Citations (Scopus)

Microstructure and inhomogeneous fuel trapping at divertor surfaces in the JET tokamak

Bergsåker, H., Bykov, I., Petersson, P., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P. & Widdowson, A. M., 2014, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 332, August, p. 266-270 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Deuterium
deuterium
trapping
microstructure
Microstructure
36 Citations (Scopus)

Development of divertor tungsten coatings for the JET ITER-like wall

Matthews, G. F., Coad, P., Greuner, H., Hill, M., Hirai, T., Likonen, J., Maier, H., Mayer, M., Neu, R., Philipps, V., Pitts, R., Riccardo, V. & JET-EFDA Contributors, 2009, In : Journal of Nuclear Materials. 390-391, p. 934-937 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Tungsten
tungsten
coatings
life (durability)
Coatings
7 Citations (Scopus)

Deuterium retention in the divertor tiles of JET ITER-Like wall

Lahtinen, A., Likonen, J., Koivuranta, S., Hakola, A., Heinola, A., Ayres, C. F., Baron-Wiechec, A., Coad, J. P., Widdowson, A. & Räisänen, J., 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 655-661 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Deuterium
tiles
Tile
deuterium
Beryllium deposits
28 Citations (Scopus)

Overview of erosion-deposition diagnostic tools for the ITER-Like Wall in the JET tokamak

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S1204-S1207 4 p.

Research output: Contribution to journalArticleScientificpeer-review

tiles
Tile
markers
erosion
Erosion

Microscopically nonuniform deposition and deuterium retention in the divertor in JET with ITER-like wall

Bergsåker, H., Petersson, P., Bykov, I., Weckmann, A., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P., Van Renterghem, W., Uytdenhouwen, I., Widdowson, A. M. & contributors, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

On the role of drifts in the divertor power load distribution in ASDEX Upgrade

Aho-Mantila, L., Coster, D. P., Wischmier, M. & ASDEX Upgrade Team, 2014, 41st EPS Conference on Plasma Physics. Ratynskaia, S., Mantica, P., Benuzzi-Mounaix, A., Dilecce, G., Bingham, R., Hirsch, M., Kemnitz, B. & Klinger, T. (eds.). O4.120. (Europhysics Conference Abstracts, Vol. 38F).

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

dissipation
asymmetry
configurations
ions
13 Citations (Scopus)

Deuterium trapping and release in JET ITER-like wall divertor tiles

Likonen, J., Heinola, K., De Backer, A., Koivuranta, S., Hakola, A., Ayres, C. F., Baron-Wiechec, A., Coad, P., Matthews, G. F., Mayer, M. & Widdowson, A., 25 Jan 2016, In : Physica Scripta. 2016, T167, 014074.

Research output: Contribution to journalArticleScientificpeer-review

tiles
Tile
Trapping
Desorption
deuterium
14 Citations (Scopus)

Microscopically nonuniform deposition and deuterium retention in the divertor in JET with ITER-like wall

Bergsåker, H., Bykov, I., Petersson, P., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P., van Renterghem, W., Uytdenhouwen, I., Widdowson, A. M. & Contributors, JET. EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 956-960

Research output: Contribution to journalArticleScientificpeer-review

Deuterium
deuterium
Impurities
Beryllium
impurities
59 Citations (Scopus)

R&D on full tungsten divertor and beryllium wall for JET ITER-like wall project

Hirai, T., Maier, H., Rubel, M., Mertens, P., Neu, R., Gauthier, E., Likonen, J., Lungu, C., Maddaluno, G., Matthews, G. F., Mitteau, R., Neubauer, O., Piazza, G., Philipps, V., Riccardi, B., Ruset, C., Uytdenhouwen, I. & JET-EFDA Contributors, 2007, In : Fusion Engineering and Design. 82, 15-24, p. 1839-1845

Research output: Contribution to journalArticleScientificpeer-review

Beryllium
Tile
Tungsten
Coatings
Ion beams

NBI Modulation Experiments to Study Momentum Transport on JET

Tala, T., Ferreira, J., Mantica, P. & contributors, A. JET-EFDA., 2009.

Research output: Contribution to conferenceConference articleScientificpeer-review

Angular momentum studies with NBI modulation in JET

Tardini, G., Ferreira, J., Mantica, P., Peeters, A. G., Tala, T., Zastrow, K. D. & Contributors, A. JET-EFDA., 2008.

Research output: Contribution to conferenceConference articleScientific

78 Citations (Scopus)

Tungsten divertor erosion in all metal devices: Lessons from the ITER like wall of JET

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, p. S42-S47 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Tungsten
erosion
Sputtering
Erosion
tungsten
3 Citations (Scopus)

Preliminary Monte Carlo simulation of beryllium migration during JET ITER-like wall divertor operation

Airila, M. I., Järvinen, A., Groth, M., Belo, P., Wiesen, S., Brezinsek, S., Lawson, K., Borodin, D., Kirschner, A., Coad, J. P., Heinola, K., Likonen, J., Rubel, M. & Widdowson, A., 22 Jul 2015, In : Journal of Nuclear Materials. 463, p. 800-804 5 p., 48423.

Research output: Contribution to journalArticleScientificpeer-review

Beryllium
beryllium
Impurities
Plasmas
impurities
1 Citation (Scopus)

Investigation of deuterium trapping and release in the JET ITER-like wall divertor using TDS and TMAP

JET Contributors, 2 Mar 2019, In : Nuclear Materials and Energy. 19, p. 166-178 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Thermal desorption
Deuterium
Tile
Spectrometry
deuterium

Symmetries and Asymmetries in the Divertor Detachment in ASDEX Upgrade

Wischmeier, M., Potzel, S., Aho-Mantila, L., Bernert, M., Coster, D., Müller, H-W., Reimold, F. & Team, ASDEX. U., 2012, Programme, Abstracts, Presentations & Proceedings: 24th IAEA Fusion Energy Conference, October 8-13, 2012, San Diego, USA. International Atomic Energy Agency IAEA, 8 p. EX/P5-34

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

Open Access
detachment
asymmetry
symmetry
refueling
ions
3 Citations (Scopus)

Microanalysis of deposited layers in the inner divertor of JET with ITER-like wall

Zhou, Y., Bergsåker, H., Bykov, I., Petersson, P., Possnert, G., Likonen, J., Pettersson, J., Koivuranta, S. & Widdowson, A., 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 412-417 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Microanalysis
microanalysis
surface roughness effects
impurities
Impurities
1 Citation (Scopus)

Deuterium retention on the tungsten-coated divertor tiles of JET ITER-like wall in 2015–2016 campaign

Lahtinen, A., Likonen, J., Koivuranta, S., Alves, E., Baron-Wiechec, A., Catarino, N., Coad, J. P., Heinola, K., Räisänen, J., Widdowson, A. & JET Contributors, 1 Sep 2019, In : Fusion Engineering and Design. 146, p. 1979-1982 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Beryllium
Tungsten
Deuterium
Tile
Beryllium deposits
9 Citations (Scopus)

Assessment of SOLPS5.0 divertor solutions with drifts and currents against L-mode experiments in ASDEX Upgrade and JET

Aho-Mantila, L., Potzel, S., Coster, D. P., Wischmeier, M., Brix, M., Fischer, R., Marsen, S., Meigs, A., Müller, H. W., Scarabosio, A., Stamp, M. F. & Brezinsek, S., 2017, In : Plasma Physics and Controlled Fusion. 59, 3, 18 p., 035003.

Research output: Contribution to journalArticleScientificpeer-review

inoculation
Experiments
Impurities
Plasmas
impurities

Scalings of Spontaneous Rotation in the JET Tokamak

Nave, M. F. F., Eriksson, L-G., Giroud, C., de Grassie, J. S., Hellsten, T., Johnson, T., Lin, Y., Mailloux, J., Mantica, P., Mayoral, M-L., Parra, F. I., Ongena, J., Tala, T., Severo, J. H. F., de Vries, P. C. & Contributors, JET-EFDA., 2012, Programme, Abstracts, Presentations & Proceedings: 24th IAEA Fusion Energy Conference, October 8-13, 2012, San Diego, USA. International Atomic Energy Agency IAEA, EX/P3-31

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

Open Access
scaling
ripples
rotating plasmas
scaling laws
counters

Fast ions and momentum transport in JET tokamak plasmas: Dissertation

Salmi, A., 2012, Espoo: VTT Technical Research Centre of Finland. 156 p.

Research output: ThesisDissertationCollection of Articles

Open Access
momentum
ions
ripples
torque
ion distribution

Revised predictions of beryllium accumulation on ITER divertor

Airila, M., Björkas, C., Lasa, A., Meinander, A., Nordlund, K. & Vörtler, K., 2012, p. Paper P2-001.

Research output: Contribution to conferenceConference articleScientificpeer-review

Ultrasonic studies on iter divertor and first wall prototype modules

Pitkänen, J., Kauppinen, P., Jeskanen, H., Tähtinen, S. & Sandlin, S., 2002, 22nd Symposium on Fusion Technology: Book of Abstracts. Espoo: VTT Technical Research Centre of Finland, p. 78-78 B-36. (VTT Symposium; No. 220).

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

Open Access
modules
ultrasonics
prototypes
manufacturing
integrity

Modelling of the material transport and layer formation in the divertor of JET: comparison of ITER-like wall with full carbon wall conditions

Kirschner, A., Matveev, D., Borodin, D., Airila, M., Brezinsek, S., Groth, M., Wiesen, S., Widdowson, A., Beal, J., Esser, H. G., Likonen, J., Bekris, N. & Contributors, JET-EFDA., 2014, Book of abstracts. National Institute for Fusion Science, I15

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

4 Citations (Scopus)

Tungsten Erosion in the All-Metal Tokamaks JET and ASDEX Upgrade

Coenen, J. W., van Rooij, G. J., Aho-Mantila, L., Brezinsek, S., Clever, M., Dux, R., Groth, M., Ivanova, D., Krieger, K., Marsen, S., Meigs, A., Müller, H. W., Neu, R., Potzel, S., Stamp, M. F., Team, ASDEX. U. & Contributors, JET-EFDA., 2012, Proceedings: 39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics. European Physical Society, Vol. 1. p. 253-256 P1.036. (Europhysics Conference Abstracts, Vol. 36F).

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

Measuring intrinsic rotation in the JET tokamak

Nave, M. F. F., Coelho, R., Czarnecka, A., Ferreira, J., Giroud, C., Hillesheim, J., Parail, V., Salmi, A. & Zastrow, K-D., 2015, 42nd European Physical Society Conference on Plasma Physics: EPS 2015. European Physical Society, 4 p. (Europhysics Conference Abstracts, Vol. 39E).

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

Measurement of dust conversion factor for the JET carbon divertor phases

Likonen, J., Coad, J. P., Koivuranta, S., Pitts, R. A., Widdowson, A. M. & Contributors, JET. EFDA., 2014, p. P3-023.

Research output: Contribution to conferenceConference PosterScientific

The role of divertor collisionality on SOL transport: A study on the ITER stepladder

Carralero, D., Müller, H. W., Groth, M., Komm, M., Adamek, J., Aho-Mantila, L., Birkenmeier, G., Brix, M., Jankyc, F., Hacek, P., Marsen, S., Reymold, F., Silva, C., Stroth, U., Wischmeier, M., Wolfrum, E., ASDEX Update Group & JET Contributors, 2014, In : Bulletin of the American Physical Society. 59, 15, 1 p., TO3.00005.

Research output: Contribution to journalOther journal contributionScientific

Open Access
COMPASS (programming language)
filaments
profiles
detachment
extrapolation
3 Citations (Scopus)

Tritium analysis of divertor tiles used in JET ITER-like wall campaigns by means of ß-ray induced x-ray spectrometry

Hatano, Y., Yumizuru, K., Koivuranta, S., Likonen, J., Hara, M., Matsuyama, M., Masuzaki, S., Tokitani, M., Asakura, N., Isobe, K., Hayashi, T., Baron-Wiechec, A., Widdowson, A. & contributors, JET., 1 Dec 2017, In : Physica Scripta. T170, 014014.

Research output: Contribution to journalArticleScientificpeer-review

tiles
Tile
tritium
Penetration
Half line

Toroidal orbit-following simulation of ion temperature measurements from NBI tail distribution in ASDEX upgrade

Sipilä, S., Kurki-Suonio, T., Heikkinen, J., Khudoleev, A., Fahrbach, H-U. & Peeters, A., 2000, In : Europhysics Conference Abstracts. 24B, p. 1645-1648

Research output: Contribution to journalArticle in a proceedings journalScientific

Open Access
32 Citations (Scopus)

Carbon erosion and deposition on the ASDEX Upgrade divertor tiles

Mayer, M., Rohde, V., Likonen, J., Vainonen-Ahlgren, E., Krieger, K., Gong, X., Chen, J. & ASDEX Upgrade Team, 2005, In : Journal of Nuclear Materials. 337-339, p. 119 - 123 5 p.

Research output: Contribution to journalArticleScientificpeer-review

tiles
Tile
erosion
Erosion
Carbon

Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

Hatano, Y., Lee, S. E., Likonen, J., Koivuranta, S., Hara, M., Masuzaki, S., Asakura, N., Isobe, K., Hayashi, T., Ikonen, J., Widdowson, A. M., Litaudon, X., Abduallev, S., Abhangi, M., Abreu, P., Afzal, M., Aggarwal, K. M., Ahlgren, T., Ahn, J. H., Aho-Mantila, L. & 6 others, Aiba, N., Airila, M., Albanese, R., Aldred, V., Alegre, D. & contributors, JET., 1 Jan 2019, In : Nuclear Materials and Energy. 18, p. 258-261 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Joint European Torus
Beryllium
Tritium
tiles
Tile

Applications of Serpent 2 Monte Carlo Code to ITER Neutronics Analysis

Turner, A., Burns, A., Colling, B. & Leppänen, J., 17 Nov 2018, In : Fusion Science and Technology. 74, 4, p. 315-320 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Geometry
blankets
geometry
requirements
vessels

Effect of field reversal on carbon migration in the outer divertor of ASDEX Upgrade

Aho-Mantila, L., Wischmeier, M., Kirschner, A., Borodin, D., Krieger, K. & Team, ASDEX. U., 2011, Proceedings: 38th EPS Conference on Plasma Physics, EPS 2011. Becoulet, A. (ed.). Vol. 1. p. 341-344

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

Open Access

Transport barrier and current profile studies on the JET Tokamak: Dissertation

Tala, T., 2002, Espoo: VTT Technical Research Centre of Finland. 173 p.

Research output: ThesisDissertationCollection of Articles

Open Access
Joint European Torus
profiles
current density
fusion
turbulence
3 Citations (Scopus)

Measurement of dust conversion factor for the JET carbon divertor phases

Likonen, J., Coad, J. P., Hakola, A., Karhunen, J., Koivuranta, S., Pitts, R., Widdowson, A. M. & contributors, JET., 2015, In : Journal of Nuclear Materials. 463, p. 842-846

Research output: Contribution to journalArticleScientificpeer-review

tiles
Dust
Tile
Carbon
dust

Tungsten coating on jet mk IIGB-SRP divertor tiles

Lehto, S., Likonen, J., Coad, J. P., Ahlgren, T., Hole, D. E., Mayer, M. & Kolehmainen, J., 2002, 22nd Symposium on Fusion Technology: Book of Abstracts. Espoo: VTT Technical Research Centre of Finland, p. 50-50 B-8. (VTT Symposium; No. 220).

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

Open Access
tiles
tungsten
coatings
chlorofluorocarbons
scattering

NBI Modulation Experiments to Study Momentum Transport and Magnetic Field Induced Ripple Torque on JET

Tala, T., Salmi, A., Mantica, P., Angioni, C., Corrigan, G., Vries, P. C. D., Giroud, C., Ferreira, J., Lönnroth, J., Naulin, V., Peeters, A. G., Solomon, W., Strintzi, D., Tsalas, M., Versloot, T. W., Weiland, J., Zastrow, K-D. & JET-EFDA collaborators, 2011, Proceedings: 38th EPS Conference on Plasma Physics, EPS 2011. Becoulet, A. (ed.). European Physical Society, Vol. 1. p. 605-608

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

Open Access
ripples
torque
momentum
modulation
magnetic fields
38 Citations (Scopus)

Beryllium migration in JET ITER-like wall plasmas

Brezinsek, S., Widdowson, A., Mayer, M., Philipps, V., Baron-Wiechec, P., Coenen, J. W., Heinola, K., Huber, A., Likonen, J., Petersson, P., Rubel, M., Stamp, M. F., Borodin, D., Coad, J. P., Carrasco, A. G., Kirschner, A., Krat, S., Krieger, K., Lipschultz, B., Linsmeier, C. & 3 others, Matthews, G. F., Schmid, K. & contributors, JET., 2015, In : Nuclear Fusion. 55, 6, 10 p., 063021.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
beryllium
erosion
sputtering
configurations
impurities
8 Citations (Scopus)

Long-term fuel retention and release in JET ITER-Like Wall at ITER-relevant baking temperatures

Heinola, K., Likonen, J., Ahlgren, T., Brezinsek, S., De Temmerman, G., Jepu, I., Matthews, G., Pitts, P. & Widdowson, A., 30 Jun 2017, In : Nuclear Fusion. 57, 8, 086024.

Research output: Contribution to journalArticleScientificpeer-review

baking
deuterium
deposits
chambers
emptying
19 Citations (Scopus)

Modelling of the material transport and layer formation in the divertor of JET: Comparison of ITER-like wall with full carbon wall conditions

Kirschner, A., Matveev, D., Borodin, D., Airila, M., Brezinsek, S., Groth, M., Wiesen, S., Widdowson, A., Beal, J., Esser, H. G., Likonen, J., Bekris, N. & Ding, R., 22 Jul 2015, In : Journal of Nuclear Materials. 463, p. 116-122 7 p., 48569.

Research output: Contribution to journalArticleScientificpeer-review

Beryllium
Tungsten
beryllium
tungsten
Carbon

Connecting SOL transport with divertor exhaust physics (SOLPS modelling for ASDEX Upgrade)

Aho-Mantila, L., Carralero, D., Conway, G., Müller, H. W., Müller, S., Potzel, S., Reimold, F., Scarabosio, A., Wischmeier, M. & ASDEX Upgrade Team, 2014.

Research output: Contribution to conferenceConference AbstractScientific

Open Access
17 Citations (Scopus)

Angular Momentum Studies with NBI Modulation in JET

Tardini, G., Ferreira, J., Mantica, P., Peeters, A. G., Tala, T., Zastrow, K. D., Brix, M., Giroud, C., Pereverzev, G. V. & JET-EFDA Contributors, 2009, In : Nuclear Fusion. 49, 8, 085010.

Research output: Contribution to journalArticleScientificpeer-review

angular momentum
Prandtl number
momentum
modulation
neutral beams
61 Citations (Scopus)

Core momentum and particle transport studies in the ASDEX Upgrade tokamak

ASDEX Upgrade Team, 2011, In : Plasma Physics and Controlled Fusion. 53, 12, 13 p., 124013.

Research output: Contribution to journalArticleScientificpeer-review

Momentum
momentum
residual stress
Carrier concentration
Residual stresses

Modelling of L-mode Radiative Plasma Edge in ASDEX Upgrade and JET

Aho-Mantila, L., Bonnin, X., Brezinsek, S., Lowry, C., Marsen, S., Müller, H. W., Potzel, S., Wiesen, S., Wischmeier, M., Team, ASDEX. U. & Contributors, JET-EFDA., 2012, p. Paper P1-003.

Research output: Contribution to conferenceConference articleScientificpeer-review