Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycle 2012
DOI: 10.1115/icone20-power2012-54693
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Best Estimate Analysis of PHEBUS FPT1 Test Using RELAP/SCDAPSIM Code

Abstract: The PHEBUS-FP program is an outstanding example of an international cooperative research program that is yielding valuable data for validating severe accident analysis computer codes. The main objective of the PHEBUS FPT1 experiment was to study the processes in the overheated reactor core, release of fission products and their subsequent transport and deposition under conditions representative of a severe accident of a Pressurised Water Reactor. The FPT1 test could be divided in the bundle degradation, aeroso… Show more

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“…The RELAP/SCDAPSIM severe accident code was used for PHEBUS FPT-1 modelling. This computer code has been developed for the best estimate simulation of LWR coolant systems during normal operation and severe accident conditions [13,17]. RELAP/SCDAPSIM code consist of two parts: the RELAP part calculates the overall thermal hydraulic response; the SCDAP part includes user-selectable reactor component models for LWR fuel rods, and includes models to treat the later stages of severe accident including debris and molten pool formation, debris/vessel interaction, and the structural failure of vessel structures.…”
Section: Phebus Fpt-1 Test and Relap/scdapsim Modelmentioning
confidence: 99%
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“…The RELAP/SCDAPSIM severe accident code was used for PHEBUS FPT-1 modelling. This computer code has been developed for the best estimate simulation of LWR coolant systems during normal operation and severe accident conditions [13,17]. RELAP/SCDAPSIM code consist of two parts: the RELAP part calculates the overall thermal hydraulic response; the SCDAP part includes user-selectable reactor component models for LWR fuel rods, and includes models to treat the later stages of severe accident including debris and molten pool formation, debris/vessel interaction, and the structural failure of vessel structures.…”
Section: Phebus Fpt-1 Test and Relap/scdapsim Modelmentioning
confidence: 99%
“…Radial nodalization of SCDAP shroud component is presented in Figure 6. More details and model descriptions can be found in references [17,18]. dle.…”
Section: Phebus Fpt-1 Test and Relap/scdapsim Modelmentioning
confidence: 99%
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