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2019

Assessing resilience in the energy supply sector

Tuurna, S., Auerkari, P., Molarius, R., Pohja, R., Jovanovic, A., Koivisto, R. & Hapuli, H., May 2019.

Research output: Contribution to conferenceConference AbstractProfessional

infrastructure
weather
freezing
power plant
probe
2018
5 Downloads (Pure)

Experimentally verified model based predictions for integrity of copper overpack: Annual report 2017

Rantala, J., Pohja, R. & Auerkari, P., 23 Mar 2018, Espoo: VTT Technical Research Centre of Finland. 17 p. (VTT Research Report; No. VTT-R-01499-18).

Research output: Book/ReportReport

Open Access
File
Creep
Creep testing
Copper
Testing
Metallography

Flexible future of power plants - challenges and solutions

Tuurna, S., Auerkari, P., Pohja, R., McNiven, U., Lilja, M. & Rydl, O., 13 Mar 2018.

Research output: Contribution to conferenceConference articleProfessional

Power plants
Plant shutdowns
Fouling
Feedstocks
Biomass

Practical aspects of applying risk-based approaches in asset management for heat exhangers

Tuurna, S., Auerkari, P., Pohja, R., Jovanovic, A. & Husta, S., 29 May 2018.

Research output: Contribution to conferenceOther conference contributionProfessional

life cycle
inspection
loss
statistics
distribution

Risk and resilience assessment for an energy supply system

Pohja, R., Auerkari, P., Tuurna, S., Hapuli, H. & Jovanovic, A., 19 Jun 2018. 7 p.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

infrastructure
heating
cooling
weather
city

Risk and resilience assessment for an urban system of energy supply

Molarius, R., Auerkari, P., Koivisto, R., Tuurna, S., Pohja, R., Jovanovic, A. & Hapuli, H., 30 Oct 2018. 13 p.

Research output: Contribution to conferenceConference articleProfessional

urban system
infrastructure
energy supply
2017

Creep modelling for long-term low strain regime including the limit of negligible creep

Auerkari, P., Holmström, S., Pohja, R. & Rantala, J., 2017. 6 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Creep
Welding
Availability
Steel
Testing

Lämmönvaihtimen RBI

Auerkari, P., Pohja, R., Tuurna, S. & Tuhti, A., 2017, VTT Technical Research Centre of Finland. (VTT Tutkimusraportti; No. VTT-R-04939-16).

Research output: Book/ReportReport

Practical aspects of applying risk-based approaches in asset management for power plant

Auerkari, P., Jovanovic, A., Husta, S., Pohja, R., Tuurna, S., Pohjanne, P., McNiven, U. & Laaksonen, L., 2017. 10 p.

Research output: Contribution to conferenceConference articleScientific

power plant
life cycle
inspection
spatial distribution
loss

Predicted life of P91 steel for cyclic high temperature service

Pohja, R., Holmström, S., Auerkari, P. & Nurmela, A., 2 Nov 2017, In : Materials at High Temperatures. 34, 5-6, p. 301-310 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Steel
Creep
steels
stress corrosion cracking
power plants

Predicted life of thick-wall P91 steel for cyclic high temperature service

Pohja, R., Holmström, S., Auerkari, P. & Nurmela, A., 2017.

Research output: Contribution to conferenceConference articleScientificpeer-review

Creep
Steel
Steam
Temperature
Martensitic steel

Report on challenges for SCIs

Walther, G., Jovanovic, M., Vollmer, M., Desmond, G., Choudhary, A., Auerkari, P., Tuurna, S., Pohja, R., Koivisto, R., Molarius, R. & et al., 2017, European Commission EC. 85 p. (Smart Resilience Indicators for Smart Critical Infrastructures).

Research output: Book/ReportReport

Open Access
Industry
Decision making

Supervised RIsx: Defining resilience indicators based on risk assessment

Øien, K., Bodsberg, L., Hoem, Å., Øren, T., Molarius, R., Koivisto, R., Auerkari, P., Pohja, R., Tuurna, S. & et al., 2017, European Commission EC. 280 p. (Smart Resilience Indicators for Smart Critical Infrastructures).

Research output: Book/ReportReport

risk assessment
infrastructure
monitoring
crisis management
indicator

Tehokasta ja ennakoivaa kunnossapitoa ja eliniän hallintaa voima- ja prosessilaitoksille

Oksa, M., Auerkari, P. & Saarela, O., 2017, Teollinen internet uudistaa palveluliiketoimintaa ja kunnossapitoa. Helsinki: Kunnossapitoyhdistys Promaint ry., p. 194-201

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

Open Access

Uncertainties, decision criteria and resilience to damage and failure of a heat exchanger

Auerkari, P., Pohja, R., Tuurna, S., Tuhti, A., Laaksonen, L. & McNiven, U., 2017.

Research output: Contribution to conferenceConference AbstractScientific

Heat exchangers
Inspection
Feedwater heaters
Plant shutdowns
Maintainability
2016
Open Access
Power plants
Hotels
Energy policy
Aging of materials
1 Citation (Scopus)

Effect of Shot Peening on Oxidation Resistance of Austenitic Alloys in Supercritical Water Conditions

Penttilä, S., Toivonen, A., Auerkari, P. & Metsäjoki, J., 2016, International Congress on Advances in Nuclear Power Plants (ICAPP 2016) . American Nuclear Society ANS, Vol. 2. p. 922-929

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

Evaluating the effect of cold work on supercritical oxidation of boiler tube materials

Yli-Olli, S., Tuurna, S., Auerkari, P. & Penttilä, S., 2016, Advances in Materials Technology for Fossil Power Plants, Proceedings from the Eighth International Conference (EPRI 2016) . ASM International, p. 823-831

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

Oxidation resistance
Boilers
Oxidation
Oxides
Water

Fatigue performance of steam turbine blading

Viuhko, J., Ivaska, J., Auerkari, P. & Metsäjoki, J., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, 7 p. (VTT Technology, Vol. 261).

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

Open Access
Steam turbines
Fatigue of materials
Turbomachine blades
Turbines
Inspection

Lifetime assessment: Modelling of steamside oxidation

Yli-Olli, S., Auerkari, P., Tuurna, S., Pohja, R. & Holmström, S., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 8 p. (VTT Technology, Vol. 261).

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

Open Access
Oxidation
Oxidation resistance
Alloying elements
Steam
Chemical analysis

Performance of high-temperature materials for efficient power plants: The waterside challenge

Auerkari, P., Yli-Olli, S., Penttilä, S., Tuurna, S. & Pohja, R., 1 Jul 2016, In : Journal of Nuclear Engineering and Radiation Science. 2, 3, 031009.

Research output: Contribution to journalArticleScientificpeer-review

refractory materials
power plants
Power plants
oxidation
turbogenerators

RBI and assessment of component life for high temperature service

Auerkari, P., Pohja, R., Yli-Olli, S., Tuurna, S., Pohjanne, P., McNiven, U. & Husta, S., 2016.

Research output: Contribution to conferenceConference articleScientific

Inspection
Temperature
Cogeneration plants
Standardization
Deterioration

RBI application in a CHP plant

Auerkari, P., McNiven, U. & Husta, S., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, (VTT Technology, Vol. 261).

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

Open Access
Cogeneration plants
Inspection
Power plants
Steam piping systems
Asset management

Relaxation behaviour of copper in disposal canisters

Rantala, J., Pohja, R., Auerkari, P., Laukkanen, A. & Andersson, T., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 8 p. (VTT Technology, Vol. 261).

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

Open Access
cans
disposal
copper
creep analysis
waste disposal

Restoring steam turbine dimensions, tolerances and efficiency

Sipilä, J., Rintala, J. & Auerkari, P., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 11 p. (VTT Technology, Vol. 261).

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

Steam turbines
Steam
Turbines
Repair
Turbine components

Risk and resilience: The concept of SmartResilience and its application on energy infrastructure in Finland

Jovanovic, A. & Auerkari, P., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 11 p. (VTT Technology, Vol. 261).

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

Open Access
infrastructure
energy
methodology
disaster
weather
1 Citation (Scopus)

Supercritical oxidation of boiler tube materials

Tuurna, S., Yli-Olli, S., Penttilä, S., Auerkari, P. & Huang, X., 2016, In : Journal of Nuclear Engineering and Radiation Science. 2, 2, 7 p.

Research output: Contribution to journalArticleScientificpeer-review

boilers
steam
Power generation
Boilers
Steam

Waterwall damage by fast internal oxidation of boiler tubes

Lokkiluoto, A., Viuhko, J., Auerkari, P. & Yli-Olli, S., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 9 p. (VTT Technology, Vol. 261).

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

Open Access
oxidation
damage
oxide
parent material
turbulent flow
2015

In-service and simulated thermal transformation of steels for high temperature applications

Auerkari, P., Yli-Olli, S. & Tuurna, S., 2015, Heat treatment and surface engineering: from tradition to innovation: European Conference on Heat Treatment 2015 & 22nd IFHTSE congress. Associazione Italiana di Metallurgia AIM

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

High temperature applications
Steel
Heat treatment
Temperature
Pyrolysis

Material integrity of welded copper overpack: Annual report 2014

Rantala, J., Auerkari, P., Laukkanen, A., Andersson, T. & Saukkonen, T., 2015, VTT Technical Research Centre of Finland. 17 p. (VTT Research Report, Vol. VTT-R-00773-15).

Research output: Book/ReportReport

Open Access
integrity
copper
cans
oxides
waste disposal

Performance of high temperature materials for efficient power plant: the water side challenge

Auerkari, P., Yli-Olli, S., Penttilä, S., Tuurna, S. & Pohja, R., 2015, Proceedings of the 7th International Symposium on Supercritical Water-Cooled Reactors (ISSCWR 2015). USB stick ed. VTT Technical Research Centre of Finland, 8 p. 2099. (VTT Technology; No. 216).

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

Open Access
Power plants
Oxidation resistance
Water
Bearings (structural)
Temperature

RBI and probabilistic life assessment for components of coal and co-fired power plants

Auerkari, P., Pohja, R., Yli-Olli, S., Tuurna, S., Pohjanne, P. & McNiven, U., 2015, Proceedings of the 41st MPA-Seminar. Materials Testing Institute University of Stuttgart MPA, 11 p.

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

Power plants
Inspection
Coal
Standardization
Chemical industry

Riskiperustaisesta arvioinnista tukea voimalaitoskomponenttien eliniän hallintaan

Tuurna, S., Pohja, R. & Auerkari, P., 2015, In : Voima ja käyttö. 109, 10, 17.

Research output: Contribution to journalArticleProfessional

Supercritical oxidation of boiler tube materials

Tuurna, S., Yli-Olli, S., Penttilä, S., Auerkari, P. & Huang, X., 2015, Proceedings of the 7th International Symposium on Supercritical Water-Cooled Reactors (ISSCWR 2015). VTT Technical Research Centre of Finland, 14 p. 2056. (VTT Technology; No. 216).

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

Open Access
Ashes
Power generation
Boilers
Steam
Steam power plants
2014

Creep performance of steels for challenging applications

Auerkari, P., Nevasmaa, P., Salonen, J. & Holmström, S., 2014, Proceedings of 3rd International ECCC- Creep & Fracture Conference. 10 p. 61

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

Creep
Steel
Austenitic steel
Thermal load
High strength steel
Shot peening
Oxidation resistance
Cold working
Oxidation
Thermooxidation
1 Citation (Scopus)

Evaluation of supercritical oxidation resistance of boiler tube materials

Yli-Olli, S., Tuurna, S., Penttilä, S., Auerkari, P., Coda Zabetta, E. & Vänskä, K., 2014, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference. Electric Power Research Institute, p. 791-802

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

oxidation
steel
oxide
fossil fuel
chromium

Influence of temperature and surface treatment on steamside oxidation

Tuurna, S., Yli-Olli, S., Auerkari, P., Coda Zabetta, E. & Vänskä, K., 2014. 11 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

oxidation
temperature
oxide
surface treatment
dissolved oxygen

Lifing of high temperature plant: deterministic and probabilistic methods

Auerkari, P., Pohja, R., Yli-Olli, S., Rantala, J. & Laukkanen, A., 2014, VTT Technical Research Centre of Finland. 21 p. (VTT Research Report; No. VTT-R-00753-14).

Research output: Book/ReportReport

power plant
damage
method
temperature
trend

Long term stress relaxation modelling

Holmström, S., Auerkari, P., Friedmann, V., Klenk, A., Leibing, B., Buhl, P., Spindler, M. & Riva, A., 2014, ECCC 2014 Conference Proceedings. 15 p.

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

modeling
creep
interpolation
steel
temperature

Material integrity of welded copper overpack: Annual report 2013

Rantala, J., Salonen, J., Auerkari, P., Laukkanen, A., Andersson, T., Raunio, M., Holmström, S. & Saukkonen, T., 2014, Espoo: VTT Technical Research Centre of Finland. 21 p. (VTT Research Report; No. VTT-R-01173-14).

Research output: Book/ReportReport

32 Citations (Scopus)

Nickel-based HVOF coatings promoting high temperature corrosion resistance of biomass-fired power plant boilers

Oksa, M., Auerkari, P., Salonen, J. & Varis, T., 2014, In : Fuel Processing Technology. 125, p. 236-245 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Nickel
Boilers
Corrosion resistance
Power plants
Biomass

Performance of welded joints in low-alloy steels T/P23 and T/P24 for challenging high-temperature applications

Auerkari, P., Holmström, S., Nevasmaa, P. & Salonen, J., 2014, Materials for Advanced Power Engineering 2014. 10 p.

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

High temperature applications
High strength steel
Ductility
Welds
Creep

Practical determination of probability of failure in risk-based inspection and life management of coal power plants

Jovanovic, A., Auerkari, P. & Bareiss, J. M., 2014, Coal Power Plant Materials and Life Assessment: Developments and Applications. Cambridge, UK: Elsevier, p. 288-317 (Woodhead Publishing Series in Energy : Number 62).

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

Relaxation of OFP copper

Auerkari, P., Pohja, R., Nurmela, A. & Rantala, J., 2014, Espoo: VTT Technical Research Centre of Finland. 12 p. (VTT Research Report; No. VTT-R-00366-14).

Research output: Book/ReportReport

phosphorus
cans
copper
oxygen
spent fuels
11 Citations (Scopus)

Using small punch test data to determine creep strain and strength reduction properties for heat affected zones

Holmström, S., Auerkari, P., Hurst, R. & Blagoeva, D., 2014, In : Materials Science and Technology. 30, 1, p. 63-66 4 p.

Research output: Contribution to journalArticleScientificpeer-review

punches
heat affected zone
Heat affected zone
Creep
Creep testing
2013
12 Citations (Scopus)

A robust model for creep-fatigue life assessment

Holmström, S. & Auerkari, P., 2013, In : Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. 559, 1, p. 333-335 3 p.

Research output: Contribution to journalArticleScientificpeer-review

fatigue life
Creep
Fatigue of materials
steels
damage

Baltica IX: International Conference on Life Management and Maintenance for Power Plants

Auerkari, P. (ed.) & Veivo, J. (ed.), 2013, Espoo: VTT Technical Research Centre of Finland. 683 p. (VTT Technology; No. 106).

Research output: Book/ReportBook (editor)

Open Access
Power plants
Economics
Hot Temperature