Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Janne Valkonen"'
Publikováno v:
Hyvärinen, J, Vihavainen, J, Ylönen, M & Valkonen, J 2022, ' An overall safety concept for nuclear power plants ', Annals of Nuclear Energy, vol. 178, 109353 . https://doi.org/10.1016/j.anucene.2022.109353
A comprehensive understanding of the “safety” of nuclear reactors is essential for effective and efficient safety management by licensees and regulation by authorities. Nuclear reactors are designed subject to incomplete knowledge of factors that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7b17ce6e31994e4624c8a4d2f5e548c
https://cris.vtt.fi/en/publications/1fb10a6d-68eb-43ed-b79f-7c440c33d600
https://cris.vtt.fi/en/publications/1fb10a6d-68eb-43ed-b79f-7c440c33d600
Autor:
Koji Terai, Walter L. Kuehnlein, Kaj Riska, Sören Ehlers, Janne Valkonen, Yu Luo, Ralph Freeman, Fai Cheng, Jaideep Sirkar, Pentti Kujala, Ian Jordaan, Yeong Tae Oh
Publikováno v:
Ship Technology Research. 64:115-128
Structures used in Arctic regions must comply with ice-induced loading without failure, asset loss, or loss of life. Current structural design regulations, particularly for ships, rely primarily on...
Autor:
Janne Valkonen, Kaj Riska
Publikováno v:
Volume 10: Polar and Arctic Science and Technology.
Arctic sea transportation has drawn a lot of attention in the recent years. The possibility of using a shorter route between Europe and Asia interests many actors in the shipping industry. Benefits from the shorter route may, at first, seem attractiv
Publikováno v:
Current Biology. 25(9):R350-R351
Publikováno v:
Volume 6: Polar and Arctic Sciences and Technology; Offshore Geotechnics; Petroleum Technology Symposium.
Increased global demand for oil, gas and minerals combined with melting sea ice opens new opportunities for shipping companies, both in the form of new Arctic shipping routes and extended use of existing ones. It can be challenging for a ship owner t
Autor:
Kim Björkman, Keijo Heljanko, Jan-Erik Holmberg, Tuomas Kuismin, Jussi Lahtinen, Tero Tyrväinen, Janne Valkonen
Publikováno v:
Björkman, K, Heljanko, K, Holmberg, J-E, Kuismin, T, Lahtinen, J, Tyrväinen, T & Valkonen, J 2013, Safety evaluation and reliability analysis of nuclear automation (SARANA) . in SAFIR2014: The Finnish Research Programme on Nuclear Power Plant Safety 2011-2014 : Interim Report . VTT Technical Research Centre of Finland, Espoo, VTT Technology, no. 80, pp. 60-71 . < https://publications.vtt.fi/pdf/technology/2013/T80.pdf#page=62 >
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7dc0836870c05424720959f778d69b07
https://cris.vtt.fi/en/publications/771ee260-7874-4670-b95d-80c51aa86bca
https://cris.vtt.fi/en/publications/771ee260-7874-4670-b95d-80c51aa86bca
Publikováno v:
Lahtinen, J, Björkman, K, Valkonen, J & Niemelä, I 2012, Emergency diesel generator control system verification by model checking and compositional minimization . in Proceedings : Doctoral Workshop on Mathematical and Engineering Methods in Computer Science, MEMICS 2012 . Springer, Czech Republic, Lecture Notes in Computer Science, vol. 7721, pp. 49-60, 8th Doctoral Workshop on Mathematical and Engineering Methods in Computer Science, MEMICS 2012), Znojmo, Czech Republic, 25/10/12 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Digital instrumentation and control (I&C) systems containing programmable logic controllers are challenging to verify. They enable complicated control functions and the state spaces (number of distinct values of inputs, outputs and internal memory) o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::dd1be3faf6ae3209b2db5eb5952985ba
https://cris.vtt.fi/en/publications/f16ab15a-41c7-4b12-be18-75bba80aae5b
https://cris.vtt.fi/en/publications/f16ab15a-41c7-4b12-be18-75bba80aae5b
Publikováno v:
Lahtinen, J, Valkonen, J, Björkman, K, Frits, J, Niemelä, I & Heljanko, K 2012, ' Model checking of safety-critical software in the nuclear engineering domain ', Reliability Engineering and System Safety, vol. 105, pp. 104-113 . https://doi.org/10.1016/j.ress.2012.03.021
Instrumentation and control (I&C) systems play a vital role in the operation of safety-critical processes. Digital programmable logic controllers (PLC) enable sophisticated control tasks which sets high requirements for system validation and verifica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0223384ca2b1c2a597fd33865d72c7f8
https://cris.vtt.fi/en/publications/a4d21c49-c11d-409f-b8d6-1ddd4e775d59
https://cris.vtt.fi/en/publications/a4d21c49-c11d-409f-b8d6-1ddd4e775d59
Publikováno v:
RE
The successful practices of requirements engineering vary between application domains and are characterized by the nature of the application domain. One relatively peculiar application domain is the nuclear energy domain, which is characterized by th
Publikováno v:
Day 2 Mon, July 21, 2008.
A field program was carried out on the Norwegian Coast Guard icebreaker KV Svalbard in February 2008, in the Barents Sea. The Ice Load Monitoring project currently undertaken by DNV and joint industry partners was extended to include progress through