Post-Test Examination Results from Integral, High-Burnup, Fueled LOCA Tests at Studsvik Nuclear Laboratory (NUREG-2160)

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Publication Information

Manuscript Completed: April 2013
Date Published: August 2013

Prepared by:
Michelle E. Flanagan
U.S. Nuclear Regulatory Commission

Peter Askeljung
Anders Puranen
Hot Cell Laboratory, Studsvik Nuclear AB, Sweden

Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This report presents and discusses the results of the U.S. Nuclear Regulatory Commission’s integral loss-of-coolant accident (LOCA) testing program conducted at Studsvik Nuclear AB in Sweden. In this program, refabricated, high burnup irradiated fuel rodlets were subjected to LOCA conditions. In total, six single-rod LOCA tests were conducted in the Hot Cell Laboratory at Studsvik Nuclear AB. This report documents the test conditions, rodlet response, and post-test examinations for all six tests. The purpose of this document is to make this information available for comparison to related or complementary experimental programs. The observations of fuel fragmentation, relocation, and dispersal in this experimental program may be of particular interest for comparison to related or complementary experimental programs.