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Post-Test Analysis of an Integral Effect Reflood Test for an APR1400 Large-Break LOCA Scenario

[+] Author Affiliations
Hyun Sik Park, Dong-Jin Euh, Ki-Yong Choi, Yeon-Sik Kim

Korea Atomic Energy Research Institute, Daejeon, South Korea

Paper No. ICONE16-48794, pp. 841-847; 7 pages
  • 16th International Conference on Nuclear Engineering
  • Volume 3: Thermal Hydraulics; Instrumentation and Controls
  • Orlando, Florida, USA, May 11–15, 2008
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-4816-7 | eISBN: 0-7918-3820-X
  • Copyright © 2008 by ASME


Post-test analysis was performed on an integral effect reflood test, the ATLAS Test No. 9, for an APR1400 Large-Break LOCA (LBLOCA) scenario by using the MARS code. Integral effect tests on the reflood period of a large break LOCA were performed by using the ATLAS facility to help understand the thermal-hydraulic phenomena during the reflood period of a large-break LOCA for APR1400 and for resolving the current safety issues for the APR1400 licensing on the downcomer boiling phenomenon. The present ATLAS Test No. 9 is one of the integral effect reflood tests for investigating the thermal-hydraulic characteristics during an entire reflood period to provide reliable data to help validate the LBLOCA analysis methodology for APR1400.

Copyright © 2008 by ASME
Topics: Safety , Boiling , Licensing



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