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Showing results for asdex OR jet OR tokamak OR nbi OR ITER OR divertor OR serpent as a concept
2018
Experimental reactors
Coolants
Materials properties
Physics
Hydraulics

FinnFusion Yearbook 2017

Likonen, J. (ed.) & Airila, M. (ed.), 2018, VTT Technical Research Centre of Finland. 75 p. (VTT Science; No. 179).

Research output: Book/ReportReport

Open Access
plasma
modeling
power plant
physics
student
2 Citations (Scopus)

Foreseen capabilities, bottlenecks identification and potential limitations of serpent MC transport code in large-scale full 3-D burnup calculations

Ferraro, D., Garcia, M., Mercatali, L., Sanchez Espinoza, V. H., Leppänen, J. & Valtavirta, V., Nov 2018, 26th International Conference on Nuclear Engineering: Nuclear Fuel and Material, Reactor Physics, and Transport Theory. American Society of Mechanical Engineers ASME, Vol. 3. 9 p. ICONE26-82305

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

Nuclear reactors
Nuclear industry
Parallel architectures
Reactor cores
Screening
Open Access
neutron sources
reactors
thermohydraulics
plasma physics
fusion
3 Citations (Scopus)

Modelling of mitigation of the power divertor loading for the EU DEMO through Ar injection

Subba, F., Aho-Mantila, L., Coster, D., Maddaluno, G., Nallo, G. F., Sieglin, B., Wenninger, R. & Zanino, R., 5 Feb 2018, In : Plasma Physics and Controlled Fusion. 60, 3, 035013.

Research output: Contribution to journalArticleScientificpeer-review

Impurities
injection
Heat flux
impurities
upstream

New stochastic substep based burnup scheme for Serpent 2

Valtavirta, V. & Leppänen, J., 2018, (Accepted/In press) Proceedings of PHYSOR 2018, Cancun, Mexico. American Nuclear Society ANS, p. 523-534

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

Gadolinium
Feedback
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

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

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

Production of ITER-relevant Be-containing laboratory samples for fuel retention investigations

Hakola, A., Heinola, K., Likonen, J., Lungu, C., Porosnicu, C., Alves, E., Mateus, R., Radović, I. B., Siketić, Z. & Nemanic, V., Jun 2018, 23rd PSI Conference Princeton USA: Book of Abstracts. Princeton University, 1 p. 378

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

Open Access
deposits
coatings
plasma radiation
Romania
physics
1 Citation (Scopus)

Review on global migration, fuel retention and modelling after TEXTOR decommission

Weckmann, A., Petersson, P., Rubel, M., Ström, P., Kurki-Suonio, T., Särkimäki, K., Kirschner, A., Kreter, A., Brezinsek, S., Romazanov, J., Wienhold, P., Pospieszczyk, A., Hakola, A. & Airila, M., 1 Dec 2018, In : Nuclear Materials and Energy. 17, p. 83-112 30 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Limiters
Molybdenum
bumpers
molybdenum
Plasmas
3 Citations (Scopus)

SERPENT validation and optimization with mesh adaptive search on stereolithography geometry models

Talamo, A., Gohar, Y. & Leppänen, J., 1 May 2018, In : Annals of Nuclear Energy. 115, p. 619-632 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Stereolithography
Geometry
3D printers
Research reactors
Computer programming languages

SOL Transport and Filamentary Dynamics in High Density Tokamak Regimes

Hakola, A., Vianello, N., Carralero, D., Tsui, C., Naulin, V., Agostini, M., Boedo, J., Labit, B., Theiler, C., Aguiam, D., Allan, S., Bernert, M., Costea, S., Cziegler, I., de Oliveira, H., Galdon-Quiroga, J., Grenfell, G., Ionita, C., Isliker, H., Karpushov, A. & 17 others, Kovacic, J., Lipschultz, B., Maurizio, R., McClements, K., Militello, F., Olsen, J., Rasmussen, J. J., Ravensbergen, T., Reimerdes, H., Schneider, B., Schrittwieser, R., Spolaore, M., Verhaegh, K., Vicente, J., Walkden, N., Zhang, W. & Wolfrum, E., Oct 2018, 27th IAEA Fusion Energy Conference: Programme and Abstracts. International Atomic Energy Agency IAEA, p. 396-397

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

Open Access
filaments
upstream
profiles
plasma currents
flattening

The influence of nitrogen on the deuterium retention within tungsten coatings for fusion applications

Hakola, A., Grigore, E., Ruset, C., Baiasu, F., Firdaouss, M., Hernandez, C., Weckmann, A. & Petersson, P., Sep 2018. 1 p.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

deuterium
tungsten
fusion
coatings
nitrogen
4 Citations (Scopus)

Thermal desorption spectrometry of beryllium plasma facing tiles exposed in the JET tokamak

Baron-Wiechec, A., Heinola, K., Likonen, J., de Alves, E., Catarino, N., Corregidor, V., Coad, P., Jepu, I., Matthews, G. & Widdowson, A., 2018, In : Fusion Engineering and Design. 133, p. 135–141 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Beryllium
Thermal desorption
Tile
Spectrometry
Plasmas
6 Citations (Scopus)

Versatile fusion source integrator AFSI for fast ion and neutron studies in fusion devices

Sirén, P., Varje, J., Akaslompolo, S., Asunta, O., Giroud, C., Kurki-Suonio, T. & Weisen, H., 1 Jan 2018, In : Nuclear Fusion. 58, 1, 016023.

Research output: Contribution to journalArticleScientificpeer-review

integrators
fusion
neutrons
ions
reaction kinetics
2017
1 Citation (Scopus)

Advancement of functional expansion tallies capabilities in serpent 2

Wendt, B. L., Kerby, L. M., Tumulak, A. G., Leppänen, J. I. & Dehart, M. D., 1 Jan 2017, In : Transactions of the American Nuclear Society. 116, p. 552-555 4 p.

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

Open Access

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)

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

Calculating V-1000 Core Model With Serpent 2: HEXTRAN Code Sequence

Sahlberg, V., 2017. 6 p.

Research output: Contribution to conferenceConference articleScientific

Open Access
multiplication
spacers
reactor physics
grids
Moscow

Coupled burnup calculations with the serpent 2 Monte Carlo code

Valtavirta, V. & Leppänen, J., 2017. 12 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Open Access
Temperature distribution
Isotopes
Paramagnetic resonance
Feedback
Temperature
7 Citations (Scopus)

Coupled neutronics-fuel behavior calculations in steady state using the Serpent 2 Monte Carlo code

Valtavirta, V., Leppänen, J. & Viitanen, T., 2017, In : Annals of Nuclear Energy. 100, Part 2, p. 50-64 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Physics
Temperature distribution
Feedback
Temperature
Geometry
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
3 Citations (Scopus)

Dependence of LIBS spectra on the surface composition and morphology of W/Al coatings

Laan, M., Hakola, A., Paris, P., Piip, K., Aints, M., Jõgi, I., Kozlova, J., Mändar, H., Lungu, C., Porosnicu, C., Grigore, E., Ruset, C., Kolehmainen, J. & Tervakangas, S., 2017, In : Fusion Engineering and Design. 121, p. 296-300 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Laser induced breakdown spectroscopy
Ablation
Surface structure
Surface morphology
Coatings
6 Citations (Scopus)

Detection of deuterium retention by LIBS at different background pressures

Paris, P., Butikova, J., Laan, M., Aints, M., Hakola, A., Piip, K., Tufail, I. & Veis, P., 2017, In : Physica Scripta. 2017, T170, 014003.

Research output: Contribution to journalArticleScientificpeer-review

Laser-induced Breakdown Spectroscopy
laser-induced breakdown spectroscopy
deuterium
hydrogen isotopes
Line
8 Citations (Scopus)

Determination of deuterium depth profiles in fusion-relevant wall materials by nanosecond LIBS

Suchonová, M., Veis, P., Karhunen, J., Paris, P., Pribula, M., Piip, K., Laan, M., Porosnicu, C., Lungu, C. & Hakola, A., 2017, In : Nuclear Materials and Energy. 12, June, p. 611-616 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Laser induced breakdown spectroscopy
laser-induced breakdown spectroscopy
Deuterium
Ablation
deuterium
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
Open Access
neutrons
physics
energy
reactor cores
nuclear reactors

Development of a coupled neutron / photon transport mode in the serpent 2 Monte Carlo code

Leppänen, J., Kaltiaisenaho, T., Valtavirta, V. & Metsälä, M., 2017. 6 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Open Access
neutrons
photons
methodology
radiation shielding
heating

Development of a variance reduction scheme in the serpent 2 Monte Carlo code

Leppänen, J., Viitanen, T. & Hyvönen, O., 2017. 7 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Open Access
Radiation shielding
Spent fuels
Dosimetry
Neutrons
Fusion reactions
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
18 Citations (Scopus)

Efficiency of thermal outgassing for tritium retention measurement and removal in ITER

De Temmerman, G., Baldwin, M. J., Anthoine, D., Heinola, K., Jan, A., Jepu, I., Likonen, J., Lungu, C. P., Porosnicu, C. & Pitts, R. A., 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 267-272 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Tritium
outgassing
Degassing
tritium
Deposits
3 Citations (Scopus)

ERO and PIC simulations of gross and net erosion of tungsten in the outer strike-point region of ASDEX Upgrade

Hakola, A., Airila, M. I., Mellet, N., Groth, M., Karhunen, J., Kurki-Suonio, T., Makkonen, T., Sillanpää, H., Meisl, G., Oberkofler, M. & ASDEX Upgrade Team, 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 423-428 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Tungsten
erosion
Erosion
tungsten
cells

Estimating the effects of homogenized fuel temperature in group constant generation using Serpent 2

Valtavirta, V. & Leppänen, J., 1 Jul 2017, In : Annals of Nuclear Energy. 105, p. 79-94 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Isotopes
Paramagnetic resonance
Physics
Temperature
Gadolinium

Experience on divertor fuel retention after two ITER-Like Wall campaigns

Heinola, K., Widdowson, A., Likonen, J., Ahlgren, T., Alves, E., Ayres, C. F., Baron-Wiechec, A., Barradas, N., Brezinsek, S., Catarino, N., Coad, P., Guillemaut, C., Jepu, I., Krat, S., Lahtinen, A., Matthews, G. F. & Mayer, M., 2017, In : Physica Scripta. T170, 8 p.

Research output: Contribution to journalArticleScientificpeer-review

66 Downloads (Pure)
Open Access
File
Experimental reactors
Grain growth
Densification
Coolants
Swelling

FinnFusion Yearbook 2016

Airila, M. (ed.), 2017, Espoo: VTT Technical Research Centre of Finland. 81 p. (VTT Science; No. 157).

Research output: Book/ReportReport

Open Access
Fusion reactions
Industry
Facings
Neutron sources
Radiation damage

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

6 Citations (Scopus)

Impact of lithium pellets on plasma performance in the ASDEX Upgrade all-metal-wall tokamak

Lang, P. T., Maingi, R., Mansfield, D. K., McDermott, R. M., Neu, R., Wolfrum, E., Arredondo Parra, R., Bernert, M., Birkenmeier, G., Diallo, A., Dunne, M., Fable, E., Fischer, R., Geiger, B., Hakola, A., Nikolaeva, V., Kappatou, A., Laggner, F., Oberkofler, M., Ploeckl, B. & 4 others, Potzel, S., Pütterich, T., Sieglin, B. & Szepesi, T., 1 Jan 2017, In : Nuclear Fusion. 57, 1, 016030.

Research output: Contribution to journalArticleScientificpeer-review

pellets
lithium
metals
tokamak devices
piles

Implementation of weighted delta-tracking with scattering in the serpent 2 monte carlo code

Rehak, J. S., Kerby, L. M., Dehart, M. D., Slaybaugh, R. N. & Leppänen, J., 1 Jan 2017, 2017 Annual Meeting. American Nuclear Society ANS, Vol. 116. p. 548-551 4 p. (Transactions of the American Nuclear Society, Vol. 116).

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

Open Access
2 Citations (Scopus)

Interaction of candidate plasma facing materials with tokamak plasma in COMPASS

Matějíček, J., Weinzettl, V., Macková, A., Malinský, P., Havránek, V., Naydenkova, D., Klevarová, V., Petersson, P., Gasior, P., Hakola, A., Rubel, M., Fortuna, E., Kolehmainen, J. & Tervakangas, S., 1 Sep 2017, In : Journal of Nuclear Materials. 493, p. 102-119 18 p.

Research output: Contribution to journalArticleScientificpeer-review

COMPASS (programming language)
Beam plasma interactions
Tungsten
Deuterium
Erosion
8 Citations (Scopus)

Investigation and plasma cleaning of first mirrors coated with relevant ITER contaminants: beryllium and tungsten

Moser, L., Doerner, R. P., Baldwin, M. J., Lungu, C. P., Porosnicu, C., Newman, M., Widdowson, A., Alves, E., Pintsuk, G., Likonen, J., Hakola, A., Steiner, R., Marot, L., Meyer, E. & JET Contributors, 23 Jun 2017, In : Nuclear Fusion. 57, 8, 086019.

Research output: Contribution to journalArticleScientificpeer-review

beryllium
cleaning
contaminants
tungsten
mirrors

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
7 Citations (Scopus)

LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas

Piip, K., van der Meiden, H. J., Hämarik, L., Karhunen, J., Hakola, A., Laan, M., Paris, P., Aints, M., Likonen, J., Bystrov, K., Kozlova, J., Saloznik, A., Kelemen, M. & Markelj, S., 1 Jun 2017, In : Journal of Nuclear Materials. 489, p. 129-136 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Laser induced breakdown spectroscopy
laser-induced breakdown spectroscopy
Deuterium
Tungsten
erosion
3 Citations (Scopus)

Loading of deuterium and helium by Pilot-PSI plasma and their detection by in-situ LIBS

Piip, K., van der Meiden, H. J., Bystrov, K., Hämarik, L., Karhunen, J., Aints, M., Laan, M., Paris, P., Seemen, H., Hakola, A. & Brezinsek, S., 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 694-698 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Laser induced breakdown spectroscopy
Helium
laser-induced breakdown spectroscopy
Deuterium
deuterium
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

MCNP6 and SERPENT2 performances with unstructured mesh geometry

Talamo, A., Gohar, Y. A. & Leppänen, J., 1 Jan 2017, In : Transactions of the American Nuclear Society. 116, 2, p. 1111-1113 3 p.

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

Open Access

Measurement of N+ flows in the high-field side scrape-off layer of ASDEX upgrade with different degrees of inner divertor detachment

Karhunen, J., Groth, M., Heliste, P., Pütterich, T., Viezzer, E., Carralero, D., Coster, D., Guimarais, L., Hakola, A., Nikolaeva, V., Potzel, S. & ASDEX Update Group, 1 Aug 2017, In : Nuclear Materials and Energy. 12, p. 935-941 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
detachment
Ions
entrainment
ions
Plasma oscillations