[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.1016/j.net.2020.03.009

Analytical criteria for fuel fragmentation and burst FGR during a LOCA

Khvostov, G. (Paul Scherrer Institut (PSI))

Publication Information

Nuclear Engineering and Technology / v.52, no.10, 2020 , pp. 2402-2409 More about this Journal

Abstract

Analytical criteria for the onset of fuel fragmentation and Burst Fission Gas Release in fuel rods with ballooned claddings are formulated. On that basis, the GRSW-A model integrated with a fuel behaviour code is updated. After modification, the updated code is successfully applied to simulation of the Halden LOCA test IFA-650.12. Specifically, the calculation with Burst Fission Gas Release during the test resulted in prediction of cladding failure, whereas it could not be predicted at the test planning, before new models were implemented. A good agreement of the current model with experimental data for transient Fission Gas Release in the tests IFA-650.12 and IFA-650.14 is shown, as well.

Keywords

Burst FGR; Fuel fragmentation; LOCA; Analytical criteria; GRSW-A model;

Citations & Related Records

Reference

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