BA2503 Nuclear power plant behaviour

Research Output 1984 2019

2019
1 Citation (Scopus)

A stabilised finite element method for the plate obstacle problem

Gustafsson, T. T., Stenberg, R. & Videman, J., 4 Mar 2019, In : BIT Numerical Mathematics. 59, 1, p. 97-124 28 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Stabilized Finite Element Method
Stabilized Finite Elements
Kirchhoff Plate
Obstacle Problem
A Posteriori Error Estimates
1 Citation (Scopus)

Containment model library of the Apros process simulation software: an overview of development and validation work

Silde, A., Ylijoki, J. & Ahtinen, E., 2019, In : Progress in Nuclear Energy. 116, p. 28-45 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
containment
software
Accidents
Hydraulics
simulation
1 Citation (Scopus)

Quantification of the uncertainty of the physical models in the system thermal-hydraulic codes: PREMIUM benchmark

Skorek, T., de Crécy, A., Kovtonyuk, A., Petruzzi, A., Mendizábal, R., de Alfonso, E., Reventós, F., Freixa, J., Sarrette, C., Kyncl, M., Pernica, R., Baccou, J., Fouet, F., Probst, P., Chung, B. D., Tram, T. T., Oh, D. Y., Gusev, A., Falkov, A., Shvestov, Y. & 10 others, Li, D., Liu, X., Zhang, J., Alku, T., Kurki, J., Jäger, W., Sánchez, V., Wicaksono, D., Zerkak, O. & Pautz, A., 11 Jul 2019, (Accepted/In press) In : Nuclear Engineering and Design. 110199.

Research output: Contribution to journalArticleScientificpeer-review

hydraulics
test facilities
Hydraulics
Test facilities
propagation
2018

Non-condensable gas plugging and mixing behavior in PWR steam generator tubes during reflux condensation

Janasz, F., Prasser, H. M., Suckow, D. & Szogradi, M., Nov 2018, 26th International Conference on Nuclear Engineering: Thermal-Hydraulics and Safety Analyses. American Society of Mechanical Engineers ASME, Vol. 6B. 10 p. ICONE26-82350

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

Steam generators
Condensation
Gases
Loss of coolant accidents
Pressurized water reactors
2017

Comprehensive and systematic validation of independent safety analysis tools (COVA)

Hillberg, S., Karppinen, I., Silde, A., Kolehmainen, J., Dorval, E., Leskinen, J., Kurki, J., Alku, T., Lauerma, S., Skripnikov, D. & Hovi, T., 2017, SAFIR2018 - The Finnish Research Programme on Nuclear Power Plant Safety 2015-2018: Interim Report. VTT Technical Research Centre of Finland, p. 215-222 (VTT Technology, Vol. 294).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access

Development and validation of CFD methods for nuclear reactor safety assessment (NURESA)

Pättikangas, T., Ala-Juusela, J., Hovi, V., Huhtanen, R., Karppinen, I., Leskinen, J., Patel, G., Peltola, J., Rämä, T., Siikonen, T., Tanskanen, V. & Toppila, T., 2017, SAFIR2018 - The Finnish Research Programme on Nuclear Power Plant Safety 2015-2018: Interim Report. VTT Technical Research Centre of Finland, p. 253-265 (VTT Technology, Vol. 294).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
1 Citation (Scopus)

Dynamic modelling of a CFB boiler including the solids, gas and water-steam systems

Lappalainen, J., Lalam, V., Charreire, R. & Ylijoki, J., 1 Jan 2017, Proceedings of the 12th International Conference on Fluidized Bed Technology. p. 321-328 8 p.

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

Steam
Fluidized beds
Boilers
Gases
Water
2 Citations (Scopus)

Hyperbolicity and numerics in SYS-TH codes: The FONESYS point of view

Ahn, S. H., Aksan, N., Austregesilo, H., Bestion, D., Chung, B. D., Coscarelli, E., D'Auria, F., Emonot, P., Gandrille, J. L., Sauvage, J. Y., Hänninen, M., Horvatovic, I., Kim, K. D., Kovtonyuk, A., Lutsanych, S. & Petruzzi, A., 1 Oct 2017, In : Nuclear Engineering and Design. 322, p. 227-239 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Hydraulics
Nuclear reactors
Numerical methods
Hot Temperature

Integrated transient simulation of a BFB boiler with CFD models for the BFB furnace and dynamic system models for the steam cycle and boiler operation

Hovi, V., Huttunen, M., Karppinen, I., Pättikangas, T., Niemistö, H., Karvonen, L., Kallio, S., Tuuri, S. & Ylä-Outinen, V., 1 Jan 2017, In : Energy Procedia. 120, August, p. 508-515 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Boilers
Computational fluid dynamics
Dynamical systems
Furnaces
Steam

Nuclear criticality and safety analyses preparedness at VTT (KATVE)

Juutilainen, P., Dorval, E., Huhtanen, R., Leppänen, J., Räty, A., Häkkinen, S., Kaltiaisenaho, T., Kotiluoto, P., Peltola, J., Rantamäki, K., Valtavirta, V., Tuominen, R. & Viitanen, T., 2017, SAFIR2018 - The Finnish Research Programme on Nuclear Power Plant Safety 2015-2018: Interim Report. VTT Technical Research Centre of Finland, p. 162-174 (VTT Technology, Vol. 294).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access

Safety of new reactor technologies (GENXFIN)

Penttilä, S., Kolehmainen, J., Toivonen, A., Jäppinen, T., Nevasmaa, P., Tulkki, V., Rantakaulio, A. & Niemi, M., 2017, SAFIR2018 - The Finnish Research Programme on Nuclear Power Plant Safety 2015-2018: Interim Report. VTT Technical Research Centre of Finland, p. 135-142 (VTT Technology, Vol. 294).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
2016
Open Access
leakage
diffusion coefficient
methodology
neutrons
reactors

NUGENIA+-projektin loppuseminaari järjestettiin Helsingissä

Nieminen, A. & Puska, E. K., 2016, In : ATS Ydintekniikka. 45, 3, p. 7-9

Research output: Contribution to journalArticleProfessional

2015
6 Citations (Scopus)

Experimental characterisation of sprays resulting from impacts of liquid-containing projectiles

Hostikka, S., Silde, A., Sikanen, T., Vepsä, A., Paajanen, A. & Honkanen, M., 2015, In : Nuclear Engineering and Design. 295, p. 388-402

Research output: Contribution to journalArticleScientificpeer-review

Projectiles
spray
sprayers
projectiles
High speed cameras
10 Citations (Scopus)

Statistical analysis of fuel failures in large break loss-of-coolant accident (LBLOCA) in EPR type nuclear power plant

Arkoma, A., Hänninen, M., Rantamäki, K., Kurki, J. & Hämäläinen, A., 2015, In : Nuclear Engineering and Design. 285, p. 1-14

Research output: Contribution to journalArticleScientificpeer-review

Open Access
loss of coolant
Loss of coolant accidents
nuclear power plants
electron spin resonance
accidents
13 Citations (Scopus)

The Numerical Multi-Physics project (NUMPS) at VTT Technical Research Centre of Finland

Leppänen, J., Hovi, V., Ikonen, T., Kurki, J., Pusa, M., Valtavirta, V. & Viitanen, T., 28 Jul 2015, In : Annals of Nuclear Energy. 84, p. 55-62 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Nuclear reactors
Physics
Computational methods
Computational fluid dynamics
Hydraulics
2014
5 Citations (Scopus)

Generic Containment: Detailed comparison of containment simulations performed on plant scale

Kelm, S., Klauck, M., Beck, S., Allelein, H-J., Preusser, G., Sangiorgi, M., Klein-Hessling, W., Bakalov, I., Bleyer, A., Bentaib, A., Kljenak, I., Stempniewicz, M., Kostka, P., Morandi, S., Ada del Corno, B., Bratfisch, C., Risken, T., Denk, L., Parduba, Z., Paci, S. & 6 others, Manfredini, A., Silde, A., Juris, P., Jancovic, J., Lele, H. G. & Ganju, S., 2014, In : Annals of Nuclear Energy. 74, p. 165-172

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

Modelling and dynamic simulation of a supercritical, oxy combustion circulating fluidized bed power plant concept-Firing mode switching case

Lappalainen, J., Tourunen, A., Mikkonen, H. I., Hänninen, M. & Kovacs, J., 2014, In : International Journal of Greenhouse Gas Control. 28, p. 11-24 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Boiler firing
Flue gases
Fluidized beds
power plant
Power plants
49 Citations (Scopus)

Nanopapers for organic solvent nanofiltration

Mautner, A., Lee, K. Y., Lahtinen, P., Hakalahti, M., Tammelin, T., Li, K. & Bismarck, A., 1 Jun 2014, In : Chemical Communications. 50, 43, p. 5778-5781 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Nanofiltration membranes
Nanofiltration
Organic solvents
Papermaking
Flocculation
2013
6 Citations (Scopus)

Benchmark exercise on SBLOCA experiment of PWR PACTEL facility

Kouhia, V., Riikonen, V., Kauppinen, O-P., Purhonen, H., Austregesilo, H., Bánáti, J., Cherubini, M., D'Auria, F., Inkinen, P., Karppinen, I., Kral, P., Peltokorpi, L., Peltonen, J. & Weber, S., 2013, In : Annals of Nuclear Energy. 59, p. 149-156 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Experiments
Loss of coolant accidents
Launching
Heat losses
Coolants

Benefits, risks and costs of security measures: A portfolio-oriented decision-support approach for political decision-making. Extended abstract

Räikkönen, M., Kunttu, S., Poussa, L. & Blobner, C., 2013, 8th Future Security: Proceedings / Security Research conference. Lauster, M. (ed.). Stuttgart, p. 442-444

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

Decision making
Costs
Uncertainty

Combined structural analyses and system level simulation: Cases 1) Apros-TVO PAMS and 2) Apros-Abaqus Co-use

Laakso, P., 2013,  Multiscale modelling and design for engineering application. Laitinen, T. & Wallin, K. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 116-121 (VTT Technology; No. 77).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Structural analysis
Power plants
Pipelines
Simulators
Temperature

Enhancement of safety evaluation tools (ESA)

Karppinen, I., Hillber, S., Inkinen, P., Lauerma, S., Kurki, J., Kolehmainen, J., Silde, A. & Huhtanen, R., 2013, SAFIR2014: The Finnish Research Programme on Nuclear Power Plant Safety 2011-2014: Interim Report. Espoo: VTT Technical Research Centre of Finland, p. 142-155 (VTT Technology; No. 80).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Generic Containment: A Detailed Comparison of Containment Simulations performed on Plant Scale

Kelm, S., Broxtermann, P., Krajewski, S., Silde, A. & et al., 2013, Proceedings of 15th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-15). USB flash drive ed. 18 p.

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

containment
simulation
evaluation
physical exercise
recommendations

Generic Containment: A Detailed Comparison of Containment Simulations Performed on Plant Scale

Kelm, S., Klauck, M., Krajewksi, S., Allelein, H. J., Silde, A. & et al., 2013, p. 15.

Research output: Contribution to conferenceOther conference contributionScientific

Open Access
containment
OECD
simulation
methodology
prediction

Impact 2014 (IMPACT2014) and structural mechanics analyses of soft and hard impacts (SMASH)

Hakola, I., Saarenheimo, A., Vepsä, A., Calonius, K., Hostikka, S., Kuutti, J., Silde, A., Sikanen, T. & Tuomala, M., 2013, SAFIR2014.:The Finnish Research Programme on Nuclear Power Plant Safety 2011-2014: Interim Report. Espoo: VTT Technical Research Centre of Finland, p. 344-362 (VTT Technology; No. 80).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Lentokonetörmäyksen synnyttämä tulipalo ydinvoimalan riskianalyysissä

Hostikka, S., Silde, A. & Sikanen, T., 2013, In : Pelastustieto: Palontorjuntatekniikka-erikoisnumero. 64, p. 30-33

Research output: Contribution to journalArticle in a proceedings journalProfessional

Open Access

Uncertainty evaluation for best estimate analyses (UBEA / BEPUE)

Kurki, J., Alku, T. & Karppinen, I., 2013, SAFIR2014: The Finnish Research Programme on Nuclear Power Plant Safety 2011-2014: Interim Report. Espoo: VTT Technical Research Centre of Finland, p. 212-218 (VTT Technology; No. 80).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Value assessment of security decisions

Poussa, L., Räikkönen, M. & Kunttu, S., 2013, Research highlights in safety and security. Espoo: VTT Technical Research Centre of Finland, p. 128-129 (VTT Research Highlights; No. 10).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Economics

Virtual plant combines engineering tools for the process industry

Laakso, P., Lappalainen, J., Karhela, T. & Luukkainen, M., 2013, eEngineering 2009-2012: Digitising the product process. Espoo: VTT Technical Research Centre of Finland, p. 17-21 (VTT Research Highlights; No. 8).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Nuts (fasteners)
Bolts
Contractors
Industry
2012
4 Citations (Scopus)

A Framework for Integrating Economic Evaluation and Risk Assessment to Support Policymakers' Security-related Decisions

Räikkönen, M., Rosqvist, T., Poussa, L. & Jähi, M., 2012, Proceedings of the 11th International Probabilistic Safety Assessment and Management Conference & The Annual European Safety and Reliability Conference: PSAM11 ESREL 2012. Vol. 6. p. 4392-4402

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

risk assessment
evaluation
economics
decision making
European Commission
6 Citations (Scopus)

Evaluation of a preliminary safety concept for the HPLWR

Andreani, M., Bittermann, D., Marsault, P., Antoni, O., Keresztúri, A., Schlagenhaufer, M., Manera, A., Seppälä, M. & Kurki, J., 2012, In : Progress in Nuclear Energy. 55, p. 68-77 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Light water reactors
safety
water
accident
Accidents
2011
13 Citations (Scopus)

Experimental and numerical studies of liquid dispersal from a soft projectile impacting a wall

Silde, A., Hostikka, S. & Kankkunen, A., 2011, In : Nuclear Engineering and Design. 241, 3, p. 617-624 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Projectiles
projectiles
missiles
Missiles
liquid

IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI): IMPACT and SUSI joint report

Calonius, K., Hakola, I., Hostikka, S., Saarenheimo, A., Silde, A., Vepsä, A. & Tuomala, M., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 490-519 (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Fires
Aircraft fuels
Kerosene
Liquid fuels
Missiles

Improved Thermal Hydraulic Analysis of Nuclear Reactor and Containment (THARE): THARE summary report

Karppinen, I., Hillberg, S., Inkinen, P., Lauerma, S., Luukka, J., Kurki, J., Silde, A. & Huhtanen, R., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 204-215 (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Nuclear reactors
Hydraulics
Nuclear power plants
Computational fluid dynamics
Experiments

Improved Thermal Hydraulic Analysis of Nuclear Reactor and Containment (THARE): Steam and helium mixture with a containment cooler, simulation of Panda facility experiment ST4.1 (THARE)

Huhtanen, R. & Silde, A., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 216-224 (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
containment
nuclear reactors
coolers
steam
hydraulics

SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Final Report

Puska, E. (ed.) & Suolanen, V. (ed.), 2011, Espo: VTT Technical Research Centre of Finland. 582 p. (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Book/ReportReportProfessional

Open Access
nuclear power plant
Finland
heat
Group
funding

Thermal-Hydraulic Simulation of Supercritical-Water-Cooled Reactors

Hänninen, M. & Kurki, J., 2011, Nuclear Power : System Simulations and Operation. Tsvetkov, P. (ed.). InTech, p. 139-152

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

Open Access
2010
8 Citations (Scopus)

Fluid-structure interaction analysis of large-break loss of coolant accident

Brandt, T., Lestinen, V., Toppila, T., Kähkönen, J., Timperi, A., Pättikangas, T. & Karppinen, I., 2010, In : Nuclear Engineering and Design. 240, 9, p. 2365-2374 10 p.

Research output: Contribution to journalArticleScientificpeer-review

loss of coolant
fluid-structure interaction
Loss of coolant accidents
Fluid structure interaction
accidents
2009

Experimental and numerical studies on projectile impacts

Saarenheimo, A., Tuomala, M., Calonius, K., Hakola, I., Hostikka, S. & Silde, A., 2009, In : Rakenteiden Mekaniikka. 42, 1, p. 1-37

Research output: Contribution to journalArticleProfessional

Open Access
Projectiles
Test facilities
Numerical models
Numerical methods
Aircraft

IMPACT2010 (IMPACT) and Structures under soft impact (SUSI): IMPACT and SUSI summary report

Calonius, K., Hakola, I., Hostikka, S., Kuutti, J., Lastunen, A., Martikainen, H., Saarenheimo, A., Silde, A. & Tuomala, M., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010 : Interim Report . Espoo: VTT Technical Research Centre of Finland, p. 446-473 (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Missiles
Fires
Aircraft
Liquid fuels
Test facilities

Improved thermal hydraulic analyses of nuclear reactor and containment (THARE): THARE summary report

Karppinen, I., Hillberg, S., Inkinen, P., Lauerma, S., Kurki, J., Hänninen, M., Huhtanen, R. & Niemi, J., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Interim Report. Espoo: VTT Technical Research Centre of Finland, p. 173-181 (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Nuclear reactors
Hydraulics
Test facilities
Nuclear power plants
Condensation

Improved thermal hydraulic analyses of nuclear reactor and containment (THARE): APROS CCFL model validation

Kurki, J., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Interim Report . Espoo: VTT Technical Research Centre of Finland, p. 182-190 (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
model validation
containment
hydraulics
simulation
countercurrent

Introduction: Role of SAFIR2010 in Finnish Nuclear Safety Research

Puska, E. K., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Interim Report . Espoo: VTT Technical Research Centre of Finland, p. 10-22 (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
3 Citations (Scopus)
Open Access
Gases
Fluids
Constitutive equations
Temperature distribution
Liquids

SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Interim Report

Puska, E. (ed.), 2009, Espoo: VTT Technical Research Centre of Finland. 540 p. (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Book/ReportReportProfessional

Open Access
nuclear power plant
Finland
Group
funding
subcontractor
7 Citations (Scopus)

Simulation of non-condensable gas flow in two-fluid model of APROS: Description of the model, validation and application

Hänninen, M. & Ahtinen, E., 2009, In : Annals of Nuclear Energy. 36, 10, p. 1588-1596 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Flow of gases
Nitrogen
Fluids
Networks (circuits)
Gases

Study of Liquid Dispersal from a Missile Impacting a Wall

Silde, A., Kankkunen, A. & Juntunen, J., 2009, 20th International Conference on Structural Mechanics in Reactor Technology, SMiRT 20: Book of abstracts. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 118-119 (VTT Symposium; No. 257).

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

Open Access

The integration of thermal-hydraulics (CFD) and finite element (FEM) computer codes in liquid and solid mechanics (MULTIPHYSICS): MULTIPHYSICS summary report

Brandt, T., Lestinen, V., Toppila, T., Kähkönen, J., Timperi, A., Pättikangas, T. & Karppinen, I., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010: Interim Report . Espoo: VTT Technical Research Centre of Finland, p. 249-260 (VTT Tiedotteita - Research Notes; No. 2466).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Mechanics
Computational fluid dynamics
Hydraulics
Liquids
Pressure vessels

Thermal hydraulic transient analysis of the high performance light water reactor using APROS and SMABRE

Kurki, J. & Seppälä, M., 2009, 20th International Conference on Structural Mechanics in Reactor Technology, SMiRT 20: Book of abstracts. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 451-453 (VTT Symposium; No. 257).

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

Open Access