An International Spent Nuclear Fuel Storage Facility Exploring a Russian Site as a Prototype: Proceedings of an International Workshop (2005) / Chapter Skim
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Handling Spent Nuclear Fuel—International Experience -- IAEA Activities in Nuclear Spent Fuel Management
Handling Spent Nuclear Fuel—International Experience -- IAEA Activities in Nuclear Spent Fuel Management
Pages 3-11
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From page 5... ...
The subprogram contains two projects: one is technology, strategy, and information on spent fuel management and the other is guidance on best practices for long-term storage of spent fuel. The major activities involved in these two projects are categorized as follows: · use of the Regular Advisory Group on Spent Fuel Management · resolution of technical and institutional issues on spent fuel storage · implementation of burn-up credit · support of dry storage technology for spent fuel from the water-moderated water-cooled power reactors (VVER)
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From page 6... ...
The main objective of the RAGSFM was to review the worldwide spent fuel management situation, define the most important directions of national efforts and international cooperation, exchange state-of-the art information on spent fuel management, and elaborate recommendations for future IAEA spent fuel management programs. In 2001, following the recommendation by the Standing Advisory Group on Nuclear Energy (SAGNE)
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From page 7... ...
regulatory concerns related to long-term spent fuel storage The experience in spent fuel storage accumulated over the past decades is largely based on safe and effective wet storage and the effect of time on structures and materials during this limited period of time. The new challenges are to extend the life of new and existing wet and dry storage facilities, and to guarantee their safe performance for much longer periods of time.
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From page 8... ...
IMPLEMENTATION OF BURN-UP CREDIT In 1997 the IAEA started to monitor the implementation of burn-up credit in spent fuel management systems, to provide a forum to exchange information and to gather and disseminate information on the status of national practices of burnup credit implementation in the member states. In October 1997 the IAEA organized an Advisory Group Meeting (AGM)
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From page 9... ...
The tested fuel rods did not show any detectable changes in optical appearance, eddy current testing, profilometry, length measurement, gamma scanning, or oxide thickness measurement. In parallel, three fuel rods taken from the neighborhood of the tested spent nuclear fuel with practically identical operation performance were inspected by destructive methods to obtain the fission gas content in the fuel, the void volume, and mechanical test data from fuel rods.
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From page 10... ...
The objectives of the symposiums are to · review recent advances in spent fuel technology · exchange information on state-of-the art techniques and prospects of spent fuel storage · review and discuss the worldwide situation and the major factors influencing the national policies in this field · exchange operating experience on wet and dry storage facilities · identify the most important directions that national efforts and international cooperation in this area should take The last symposium, in November 1998, was attended by 130 experts from 32 countries and 3 international organizations, including the IAEA.8 The domi
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From page 11... ...
SUMMARY AND CONCLUSIONS The major emphasis of spent fuel management in the near term program will be placed on · continuous review of spent fuel incidents and storage capacity worldwide · long-term issues of spent fuel storage covering optimization of cask and container loading and fuel failure classification · burn-up credit, including a particular depletion code for burn-up credit using chemical assay · extension of the operation of interim storage facilities The IAEA continues various activities associated with spent fuel management by taking into account the General Conference Resolutions, requests from member states, recommendations of major meetings, and the IAEA Medium Term Strategy.
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