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The Modelling and Coupling Methodology of ANSYS CFX Using Porous Media for PB-AHTR

[+] Author Affiliations
Linsen Li

State Nuclear Power Research Institute (SNPRI), Beijing, China

Haomin Yuan

University of Wisconsin-Madison, Madison, WI

Kan Wang

Tsinghua University, Beijing, China

Paper No. ICONE21-16687, pp. V003T10A044; 2 pages
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5580-5
  • Copyright © 2013 by ASME


This paper introduces a first-principle steady-state coupling methodology using the Monte Carlo Code RMC and the CFD code CFX which can be used for the analysis of small and medium reactors. The RMC code is used for neutronics calculation while CFX is used for Thermal-Hydraulics (T-H) calculation. A Pebble Bed-Advanced High Temperature Reactor (PB-AHTR) core is modeled using this method. The porous media is used in the CFX model to simulate the pebble bed structure in PB-AHTR. This research concludes that the steady-state coupled calculation using RMC and CFX is feasible and can obtain stable results within a few iterations.

Copyright © 2013 by ASME



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