European network for the consolidation of the integral system experimental data bases for reactor thermal-hydraulic safety analysis

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The programmatic objectives of the CERTA Thematic Network were primarily intended at establishing a consolidated framework for the preservation of reactor safety thermal-hydraulic databases acquired in European integral system test facilities and at providing data access/retrieval capabilities using modern web-based information technologies. CERTA assembled 10 major institutional and industrial reactor safety research organisations from EU member countries as well as from EU Enlargement and from the European Free Trade Area (EFTA) countries; the Organisation for Economic Cooperation and Development - Nuclear Safety Agency (OECD-NEA) has participated in the network as interested observer in view of the NEA long standing initiative aimed at promoting preservation of reference data selected for the Computer Code Validation Matrix (CCVM). As configured, CERTA includes experimental programs and databases relevant to reactors in operation within the Western European Countries as well as in the Central and East European Countries and in the New Independent States (i.e.; PWRs, BWRs and VVERs). The overall CERTA work programme comprised three major work-packages which were planned for completion over a 24 months period starting from the official commencement date of October 1, 2000; i.e.: - WP1: Assessment of current practices adopted within the CERTA participating organisations in the preservation of reactor safety thermal-hydraulic databases and in the maintenance of the related documentation. - WP2: Compilation of data storage and access/retrieve requirements for the development and verification and/or validation of computer codes used in water reactor safety analysis. - WP3: Establishment of a user-friendly distributed informatics platform using modern web-based information and communication technologies for data storage and with user-friendly access/retrieval provisions. Recently, the Senior Group of Experts on Safety Research (SESAR) assembled by the OECD-NEA Committee on the Safety of Nuclear Installations (CSNI), reviewed the research being carried out in the field of reactor safety identifying future requirements and priorities. With respect to water-cooled reactor integral system thermal-hydraulic research, SESAR recommended co-operative research programmes in some of the test facilities still in operation and the preservation of the acquired experimental databases focusing, as appropriate, on an international project in this field. Within this overall framework, WP1 and WP2 were intended at providing reference information to complement the underlining rationales of WP3, which aimed at establishing a demonstration platform of web-based distributed databases. CERTA has been based on the STRESA software developed and in use at the European Commission - Joint Research Centre (EC-JRC) for storage and retrieval of the experimental data acquired in the LOBI and FARO/KROTOS experimental programs conducted in the frame of the JRC Euratom Research Program (http://asa2.stresa.jrc.it/ ). It is retained that CERTA has fulfilled its intended scope and has represented an effective approach in networking established centres of excellence as foreseen in the frame of the provisions of the European Research Area (ERA) initiative. It has also been instrumental in the establishment of similar networks in other reactor safety research domains such as reactor safety severe accident research and has the potential for extension also in the non-nuclear field. The approach used in CERTA has also resulted in spin-off technological implementation initiatives in other reactor safety research organisations; notably, the Electrogorsk Research and Engineering Centre (EREC) of the Russian Federation and OECD-NEA. EREC has adopted the underlining CERTA software for storage and access/retrieval of experimental data acquired in the PSB-VVER large-scale thermal-hydraulic test facility. A feasibility study leading to an operational prototype has also been conducted in the frame of a collaboration agreement between the JRC and the OECD-NEA to exploit the CERTA approach for storage and retrieval of the experimental data currently selected for inclusion in the CCVM database.

Publications

Development and establishment of the CERTA network database

Auteurs: ANNUNZIATO A (European Commission, Joint Research Centre, Ispra (IT)), ADDABBO C ET AL (EDITORS) (European Commission, Joint Research Centre, Ispra (IT))
Publié dans: EUR 20421 EN (2002), pp.57. Free of charge, 2002, Page(s) 57

Requirements for storage and retrieval of experimental data for the assessment of LWR safety codes

Auteurs: ADDABBO C ET AL (European Commission, Joint Research Centre, Institute for Energy, Petten (NL))
Publié dans: EUR 20413 EN (2002), pp.45. Free of charge, 2002, Page(s) 45

CERTA-TN: Consolidation of integral system experimental databases for reactor thermal-hydraulic safety analysis - European Thematic Network. Final Report

Auteurs: ADDABBO C (European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT)), ANNUNZIATO A (European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT)), AKSAN N (PSI, Villigen (CH)), D'AURIA F (University of Pisa (IT)), GALASSI G (University of Pisa (IT)), DUMONT D (CEA, Grenoble (FR)), UMMINGER K (Framatome ANP, Erlangen (DE)), GAUL H P (Framatome ANP, Erlangen (DE)), NILSSON L (Studsvik AB, Nyköping (SE)), HOFMAN D (Studsvik AB, Nyköping (SE)), PURHONEN H (Lappeenranta University of Technology (LTKK), Lappeenranta (FI)), RIIKONEN V (Lappeenranta University of Technology (LTKK), Lappeenranta (FI)), RIGAMONTI M (Servizi Prevenzione E Sicurezza (SPES), L'Aquila (IT)), STEINHOFF F (GRS mbH, Garching (DE)), GUBA A (KFKI, Budapest (HU)), TOTH I (KFKI, Budapest (HU))
Publié dans: EUR 20543 EN (2003), 195pp. Free of charge, 2003, Page(s) 195

Maintenance of European LWR integral system tests, thermal-hydraulic databases. - Status report

Auteurs: ADDABBO C (JRC, Ispra (IT)), ANNUNZIATO A (JRC, Ispra (IT)), AKSAN N (PSI (CH)), D'AURIA F (Pisa University (IT)), GALASSI G (Pisa University (IT)), DUMONT D (CEA (FR)), GAUL H P (Framatome ANP (DE)), UMMINGER K (Framatome ANP (DE)), NILSSON L (Studsvik (SE)), RIIKONEN V (LTKK (FI)), RIGAMONTI M (SPES (IT)), STEINHOFF F (GRS (DE)), TOTH I (KFKI (HU))
Publié dans: EUR 19937 EN (2001), pp. 106. Euro: Free of charge, 2001, Page(s) 106

CERTA-TN: Consolidation of the integral system test experimental databases for reactor thermal-hydraulic safety analysis - European Thematic Network. Summary report

Auteurs: ADDABBO C (European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT)), ANNUNZIATO A (European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT))
Publié dans: EUR 20848 EN (2003), 20pp. Free of charge Available online from CERTA website: https://web.archive.org/web/20140829182257/http://asa2.jrc.it/certa/ - select CERTA_Activity and register for free access to database, 2003, Page(s) 20

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