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          NRC Library  Document Collections  NUREG-Series Publications  Publications Resulting from International AgreementsPost-Test Analysis of PIPER-ONE PO-IC-2 Experiment by RELAP5/MOD3 Codes (NUREG/IA-0135, CAMP006)

On this page: Publication Information AbstractDownload complete document NUREG/IA-0135 (PDF 6.56 MB)Publication Information **Date Published:** November 1996 **Prepared by:** R. Bovalini, F. D'Auria, G. M. Galassi, M. Mazzini University of Pisa Via Diotisalvi, 2 1–56126 Pisa Italy **Prepared as part of:** The Agreement on Research Participation and Technical Exchange under the International Thermal-Hydraulic Code Assessment and Maintenance Program (CAMP) Office of Nuclear Regulatory Research U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Availability Notice Abstract RELAP5/MOD3.1 was applied to the PO-IC-2 experiment performed in PIPER-ONE facility, which has been modified to reproduce typical isolation condenser thermal-hydraulic conditions. RELAP5 is a well known code widely used at the University of Pisa during the past seven years. RELAP5/MOD3.1 was the latest version of the code made available by the Idaho National Engineering Laboratory at the time of the reported study. PIPER-ONE is an experimental facility simulating a General Electric BWR-6 with volume and height scaling ratios of 1/2200 and 1./1, respectively. In the frame of the present activity a once-through heat exchanger immersed in a pool of ambient temperature water, installed approximately 10 m above the core, was utilized to reproduce qualitatively the phenomenologies expected for the Isolation Condenser in the simplified BWR (SBWR). The PO-IC-2 experiment is the flood up of the PO-SD-8 and has been designed to solve some of the problems encountered in the analysis of the PO-SD-8 experiment. A very wide analysis is presented hereafter including the use of different code versions. 
      
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