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FIDES-II/P2M Simulation Exercise on AN3 and AN10 bump tests: main results

Conference ·
OSTI ID:3024590
 [1];  [1];  [1];  [1];  [1];  [2];  [2];  [2];  [3];  [4];  [4];  [5];  [5];  [6];  [6];  [7];  [7];  [7];  [8];  [8]
  1. CEA
  2. Belgian Nuclear Research Centre
  3. EDF
  4. Japan Atomic Energy Agency
  5. U.S. Nuclear Regulatory Commission
  6. Idaho National Laboratory
  7. Centro de Investigaciones Energeticas
  8. Westinghouse Electric Corporation
+ Show Author Affiliations
This paper presents simulations of bump tests conducted as part of the P2M (Power to Melt and Maneuverability) project within the OECD/NEA FIDES-II framework (Framework for Irradiation Experiments). To prepare fuel performance codes for analyzing the P2M experiments, an international Simulation Exercise (SE) was initiated under the P2M project. The objective of this exercise was to model the AN3 and AN10 bump tests carried out in the 1980s at the DR3 reactor (3rd RISØ Fission Gas Project), during which instrumented fuel rodlets (equipped with thermocouples and pressure sensors) were subjected to prolonged power transients and power dips. The ongoing simulation exercise involves seven organizations from industry, research, and regulatory bodies, each using different fuel performance codes. This paper provides detailed descriptions of the test cases and simulation results from six fuel performance codes (ALCYONE, BISON, FAST, FEMAXI, FRAPCON, and TRANSURANUS), with a particular focus on fission gas release kinetics.
Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE); USDOE Office of Nuclear Energy (NE)
DOE Contract Number:
AC07-05ID14517;
OSTI ID:
3024590
Report Number(s):
INL/CON-25-83146
Resource Type:
Conference proceedings
Conference Information:
TopFuel 2025: Nuclear Reactor Fuel Performance Conference, Nashville, Tennessee, 10/05/2025 - 10/09/2025
Country of Publication:
United States
Language:
English

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Related Subjects

11 - NUCLEAR FUEL CYCLE AND FUEL MATERIALS
Bump Tests
FIDES-II
Fuel Performance
P2M