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User-friendliness and transparency in PSA modelling
VTT, Espoo, Finland.
2010 (Engelska)Ingår i: Proc. of PSAM 10 — International Probabilistic Safety Assessment & Management Conference, 7–11 June 2010, Seattle, Washington, USA, IAPSAM — International Association of Probabilistic Safety Assessment and Management, 2010Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
Abstract [en]

Most of the probabilistic safety assessments (PSA) for Nuclear Power Plants were originally created to make conservative estimates of the core damage frequencies for internal events, which might occur during power operation. The PSA models have then been expanded to replace conservative estimates with more realistic assumptions and to include other types of initiating events, modes of operation and end states. The development has resulted in very large and detailed models, which are hard to understand completely, even for an experienced PSA engineer. Today, the trend to increase the level of detail and the scope of the PSA models continues as a consequence of regulatory requirements. Hence the Nordic PSA Group (NPSAG) has initiated a project with the aim of identifying methods to reduce the complexity of the PSA models. This paper presents and discusses the results of the first part of the project in which areas of importance for the user-friendliness and transparency of a PSA are identified.

Ort, förlag, år, upplaga, sidor
2010.
Nyckelord [en]
PSA, PRA, transparency, quality of risk analysis, risk-informed applications
Nationell ämneskategori
Filosofi
Identifikatorer
URN: urn:nbn:se:kth:diva-90795OAI: oai:DiVA.org:kth-90795DiVA, id: diva2:506549
Konferens
PSAM 10 — International Probabilistic Safety Assessment & Management Conference, IAPSAM — International Association of Probabilistic Safety Assessment and Management. Seattle, Washington, USA. 7–11 June 2010
Anmärkning
Paper 48. QC 20120417Tillgänglig från: 2012-02-29 Skapad: 2012-02-29 Senast uppdaterad: 2022-06-24Bibliografiskt granskad

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http://www.npsag.org/upload/reports/22-005/22-005%20PSAM10_48_1%20User-friendliness%20and%20transparency%20in%20PSA%20modelling.pdf

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Holmberg, Jan-Erik
Filosofi

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Totalt: 202 träffar
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