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SIMULATE-3 K coupled code applications

  • C. Jönsson , G. Grandi and J. Judd
Published/Copyright: June 14, 2017
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Abstract

This paper describes the coupled code system TRACE/SIMULATE-3 K/VIPRE and the application of this code system to the OECD PWR Main Steam Line Break. A short description is given for the application of the coupled system to analyze DNBR and the flexibility the system creates for the user. This includes the possibility to compare and evaluate the result with the TRACE/SIMULATE-3K (S3K) coupled code, the S3K standalone code (core calculation) as well as performing single-channel calculations with S3K and VIPRE. This is the typical separate-effect-analyses required for advanced calculations in order to develop methodologies to be used for safety analyses in general. The models and methods of the code systems are presented. The outline represents the analysis approach starting with the coupled code system, reactor and core model calculation (TRACE/S3K). This is followed by a more detailed core evaluation (S3K standalone) and finally a very detailed thermal-hydraulic investigation of the hot pin condition (VIPRE).

Kurzfassung

Die Anwendung des gekoppelten code systems TRACE/SIMULATE-3K/VIPRE zur Berechnung des OECD-PWR-Main-Steam-Line-Break-Benchmarks wird in diesem Beitrag beschrieben. Eine kurze Beschreibung der Anwendung des gekoppelten Systems bei Analysen von DNBR wird gegeben. Dabei wird insbesondere auf die Flexibilität, die das System für den Benutzer schafft, hingewiesen. So besteht die Möglichkeit, das Ergebnis mit Ergebnissen von Rechnungen mit dem TRACE/SIMULATE-3K (S3K) gekoppelten Code, dem S3K-Standalone-Code (Core-Berechnung) sowie mit Einkanalberechnungen mit S3K und VIPRE zu vergleichen und zu bewerten. Dies sind typische Einzeleffektanalysen, die bei fortschrittlichen Berechnungen zur Methodenentwicklung bei Sicherheitsanalysen notwendig sind. Im Beitrag werden die Modelle und Methoden der Code-Systeme vorgestellt. Auch der Analyseansatz aus gekoppelter Rechnung und separater Reaktor und Kernmodellberechnung (TRACE/S3K) wird beschrieben. Abschließend werden eine detaillierte Kernbewertung (S3K Standalone) und schließlich eine sehr detaillierte thermisch-hydraulische Untersuchung der Hot-Pin-Bedingung (VIPRE) vorgestellt.

References

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Received: 2017-01-24
Published Online: 2017-06-14
Published in Print: 2017-07-26

© 2017, Carl Hanser Verlag, München

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