Community Research and Development Information Service - CORDIS


High performance light water reactor (HPLWR). summary report

Project ID: FIKI-CT-2000-00033
Funded under: FP5-EAECTP C


The project was organized into six Work Packages (WP). A review and assessment of the state-of-the-art of supercritical-water cooled reactors has been performed. Extensive neutronics and thermal-hydraulics core calculations were carried out in WP II on a benchmark problem generated from the "reference design" and on potential fuel assemblies for the HPLWR. Several shortcomings were identified in the fuel assembly of the "reference design" which could guide the design of an improved fuel assembly. The general safety features and safety philosophy of the HPLWR were defined in WP III and computer codes that could perform the safety analyses of the HPLWR were identified and tried under supercritical water conditions. Preliminary results obtained by these safety analysis codes, indicate that they could support the introduction and design of appropriate safety systems, and that they would be able to perform accurate safety analysis after additional code development. In WP IV a state-of-the-art study was performed to investigate the operational conditions for in-vessel and ex-vessel materials in a HPLWR and to evaluate the potential of existing structural materials for application in fuel elements, core structures, reactor pressure vessel and out-of-core components. The economic evaluation in WP V indicated significant economic benefits and cost reductions.

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