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CANDU Reactor Space-Time Kinetic Modeling for Load Following Control

[+] Author Affiliations
Lingzhi Xia

University of Western Ontario, London, ON, Canada

Jin Jiang

University of Western Ontario, London, ON, Canada; Xi’an Jiaotong University, Xi’an, Shaanxi, China

Paper No. ICONE18-29779, pp. 773-782; 10 pages
doi:10.1115/ICONE18-29779
From:
  • 18th International Conference on Nuclear Engineering
  • 18th International Conference on Nuclear Engineering: Volume 1
  • Xi’an, China, May 17–21, 2010
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4929-3
  • Copyright © 2010 by ASME

abstract

This paper presents the development of a three-dimensional space-time neutronic kinetic modeling of a CANadian Deuterium Uranium (CANDU) reactor for control system design and research, using a modal method. In this method, the reactor space-time neutron flux is synthesized by a time-weighted series of pre-calculated neutron flux modes. The modes are eigenfunctions of the governing neutron diffusion equation during reference steady-state operation. The Xenon effect has also been considered. The reactor model is then implemented within a simulation platform of CANDU6 reactor regulating system (RRS), in MATLAB/SIMULINK. Non-dimensionalized SIMULINK representation of the reactor kinetic modeling is established. Behavior of the reactor during a load following transient has been simulated using the developed reactor-modeling module. The simulation results prove the efficiency of the reactor modeling. Real-time three-dimensional neutron flux distribution during the transient analysis is represented.

Copyright © 2010 by ASME
Topics: Spacetime , Stress , Modeling

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