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A Numerical Study of BWR Steam Separator

[+] Author Affiliations
Haruo Terasaka, Sensuke Shimizu

Tohoku University, Sendai, Miyagi, Japan

Paper No. PVP2002-1566, pp. 309-316; 8 pages
doi:10.1115/PVP2002-1566
From:
  • ASME 2002 Pressure Vessels and Piping Conference
  • Computational Technologies for Fluid/Thermal/Structural/Chemical Systems With Industrial Applications, Volume 1
  • Vancouver, BC, Canada, August 5–9, 2002
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4659-8
  • Copyright © 2002 by ASME

abstract

An advanced numerical method based on two-fluid model of two-phase flow has been developed to simulate the swirling gas-liquid flow and the phase separation process in a Boiling Water Reactor separator. The goal is to correctly predict the performance of operating steam separator as well as new designs. The solution method present here is an extension of SIMPLEST scheme, a fully implicit scheme for single-phase flow analysis. It is robust and unconditionally stable, therefore enable us to use very large time step size. This feature is suitable for steady and/or slow transient flow analyses. Furthermore, it enhances numerical stability during rapid transient calculations. By employing this method, separator hydrodynamics around swirler were calculated.

Copyright © 2002 by ASME

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