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Validation of a CFD Analysis Model for the Thermal-Hydraulic Response of PWR Steam Generator to a Steam Line Break

[+] Author Affiliations
Jong Chull Jo, Bok Ki Min

Korea Institute of Nuclear Safety, Daejeon, Korea

Jae Jun Jeong

Pusan National University, Busan, Korea

Paper No. PVP2016-63048, pp. V004T04A010; 9 pages
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 4: Fluid-Structure Interaction
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5040-4
  • Copyright © 2016 by ASME


This paper presents a validation of a computational fluid dynamics (CFD) analysis method for a numerical simulation of the transient thermal-hydraulic responses of steam generator (SG) secondary side to blowdown following a main steam line break (MSLB) at a pressurized water reactor (PWR).

To do this, the CFD analysis method was applied to simulate the same blowdown situation as in an experimental work which was conducted for a simplified SG blowdown model, and the CFD calculation results were compared with the experimental results.

As the result, both are in reasonably good agreement with each other. Consequently, the present CFD analysis model has been validated to be applicable for numerical simulations of the transient phase change heat transfer and flow situations in PWR SGs during blowdown.

Copyright © 2016 by ASME



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