Теплогідравлічний аналіз безпеки змішаних паливних завантажень для АЕС України з реакторами ВВЕР-1000

The paper presents thermal-hydraulic analysis of mixed core loads to confirm compliance with safety criteria. The objective is to verify reliability of nuclear fuel cooling in representative events of the design-basis accident analysis. RELAP5/MOD3.2 computer code was applied to show that maximum fu...

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Bibliographic Details
Date:2016
Main Authors: Vorobyov, Yu., Nosovsky, A., Pohonets, O., Shevchenko, I.
Format: Article
Language:Ukrainian
Published: State Scientific and Technical Center for Nuclear and Radiation Safety 2016
Online Access:https://nuclear-journal.com/index.php/journal/article/view/14
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Journal Title:Nuclear and Radiation Safety

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Nuclear and Radiation Safety
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Summary:The paper presents thermal-hydraulic analysis of mixed core loads to confirm compliance with safety criteria. The objective is to verify reliability of nuclear fuel cooling in representative events of the design-basis accident analysis. RELAP5/MOD3.2 computer code was applied to show that maximum fuel cladding temperature does not exceed 1200 °C in mixed TVSA-12, TVS-WR and TVSA cores. The analysis led to the conclusion on possible safe implementation of new fuel at Ukrainian NPPs.