Dynamics of a reduced order natural circulation BWR model

Quan Zhou, Rizwan-Uddin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Stability and bifurcation analyses of a new natural circulation BWR model that allows local pressure dependence of water saturation enthalpy and includes fundamental and first azimuthal modes for neutronics are presented. Stability boundaries (SBs) and 7.5% oscillation curves (representing natures of bifurcation along SBs) are plotted in inlet subcooling - external reactivity parameter space. Stability and bifurcation analyses show that both in-phase and out-of-phase oscillations as well as supercritical and subcritical bifurcations can occur along the SBs. Results of numerical simulations agree with those of stability and bifurcation analyses. Effects of several design and operating parameters on the stability of a natural circulation BWR are also reported.

Original languageEnglish (US)
Title of host publicationProceedings of the PHYSOR 2004
Subtitle of host publicationThe Physics of Fuel Cycles and Advanced Nuclear Systems - Global Developments
Pages1117-1130
Number of pages14
StatePublished - 2004
EventPHYSOR 2004: The Physics of Fuel Cycles and Advanced Nuclear Systems - Global Developments - Chicago, IL, United States
Duration: Apr 25 2004Apr 29 2004

Publication series

NameProceedings of the PHYSOR 2004: The Physics of Fuel Cycles and Advanced Nuclear Systems - Global Developments

Other

OtherPHYSOR 2004: The Physics of Fuel Cycles and Advanced Nuclear Systems - Global Developments
Country/TerritoryUnited States
CityChicago, IL
Period4/25/044/29/04

Keywords

  • BWR
  • Bifurcation
  • Natural circulation
  • Stability

ASJC Scopus subject areas

  • General Engineering

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