Publication Laka-library:
OECD Halden Reactor Project 1979 (1980)
| Author | NEA |
| Date | 1980 |
| Classification | 2.08.9.90/03 (NORWAY - FACILITIES) |
| Front | 
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From the publication:
FOREWORD This is the Twentieth Annual Report on the OECD Halden Reactor Project*, describing activities during 1979, the first year of the 1979-1981 Halden Agreement. Research work at the Project is focussed on three areas : 1. In-core behaviour of reactor fuel, particularly reliability and safety aspects, which is studied through irradiation of test fuel elements. Investigations in this area consider such phenomena as : - pellet-cladding interactions (PCI), including fuel relocation, fuel rod deformation and fission product release inside fuel rods ; - initiation and propagation of stress corrosion cracking (SCC) of fuel cladding ; - physical behaviour of fuel during power ramps, including the mechanisms of ramp induced defects ; - criteria for extrapolating results from the fuel tests in the Halden Boiling Water Reactor (HBWR) to conditions prevailing in light water reactors ; - fuel performance during adverse transients, including stored heat, heat and gas transport mechanisms and thermomechanical response of fuel under simulated loss-of-coolant conditions ; and - irradiation of test fuel submitted by participating organisations, in instrumented fuel assemblies (IFA) designed and manufactured by the Project. 2. Prediction, surveillance and control of fuel and core performance, for which models of fuel and core behaviour are developed. Project studies in this area concentrate on two topics. Firstly, fuel performance evaluation, which is closely tied to the experimental fuel programme, is directed towards assuring efficient utilization of the results for modelling of fuel behaviour and involves - qualification and processing of test fuel data for extrapolation from HBWR to LWR core conditions ; - verification of computer codes for fuel rod performance ; and - development of fuel reliability models. * The Halden Project dates from July 1958, when the Boiling Heavy Water Reactor at Halden south of Oslo, built and owned by the Norwegian Institutt for Atomenergi, became the subject of a Joint Undertaking under an Agreement signed by Austria, Denmark, Euratom (representing the six countries then comprising the European Economic Community), Norway, Sweden, Switzerland and the United Kingdom. The Project has since continued under a series of further Agreements, the latest of which covers the three-year period 1979-1981. Signatories to this Agreement - besides Norway - are Austria, Denmark, Finland, the Federal Republic of Germany, Italy, Japan, the Netherlands, Sweden, the United Kingdom and the United States. Three private organisations participate as associated parties.
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