Published October 2002 | Version v1
Conference paper Metadata-only

Computation of BWR turbine trip with CRONOS2 and FLICA4 - 2C-05

Creators

  • 1. Commissariat a l'Energie Atomique, Direction de l'Energie Nucleaire, DM2S/SFME, Centre d'Etudes de Saclay, 91 191 Gif sur Yvette Cedex (France)
  • 2. Penn State University, Department of Mechanical and Nuclear Engineering, University Park, PA 16802 (United States)

Description

This paper presents the computation of Exercise 2 of the OECD Boiling Water Reactor Turbine Trip benchmark with the CRONOS2 and FLICA4 codes. Exercise 2 is dedicated to the core analysis, using coupled thermalhydraulic- neutronic codes and provided boundary conditions for the transient. Accurate thermalhydraulic model is required to analyze the Turbine Trip transient, because the reactivity insertion is mainly driven by the void fraction in the core. The first section of the paper presents the studies carried out on the thermalhydraulic model, in order to assess the sensitivity of the transient power response. The second section is devoted to the optimization of the computation, by grouping similar assemblies into a single thermalhydraulic channel. A suitable model for the 764 assemblies of the BWR core is achieved when approximately one hundred channels are used. (author)

Part of:
Proceedings of the PHYSOR 2002 International Conference on the New Frontiers of Nuclear Technology: Reactor Physics, Safety and High-Performance Computing

Additional details

Publishing Information

Publisher
American Nuclear Society - ANS
Imprint Place
La Grange Park, IL (United States)
Imprint Pagination
10 p.

Conference

Title
International Conference on the New Frontiers of Nuclear Technology: Reactor Physics, Safety and High-Performance Computing
Acronym
Physor 2002
Dates
7-10 Oct 2002
Place
Seoul (Korea, Republic of)

INIS

Country of Publication
United States
Country of Input or Organization
France
INIS RN
55004221
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS; S97: MATHEMATICAL METHODS AND COMPUTING;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BOUNDARY CONDITIONS; BWR TYPE REACTORS; REACTIVITY INSERTIONS; TRANSIENTS; TURBINES; VOID FRACTION
Descriptors DEC
ENRICHED URANIUM REACTORS; EQUIPMENT; MACHINERY; POWER REACTORS; REACTORS; THERMAL REACTORS; TURBOMACHINERY; WATER COOLED REACTORS; WATER MODERATED REACTORS

Optional Information

Notes
5 refs.; available from American Nuclear Society - ANS, 555 North Kensington Avenue, La Grange Park, IL 60526 (US)