Selected papers from OECD-NEA PSBT benchmark

Avramova, Maria and Manera, Annalisa and Novog, David and Cuervo Gómez, Diana and Petruzzi, Alessandro (2014). Selected papers from OECD-NEA PSBT benchmark. "Science and Technology of Nuclear Installations", v. 2014 (n. 694016); pp. 1-3. ISSN 1687-6075.


Title: Selected papers from OECD-NEA PSBT benchmark
  • Avramova, Maria
  • Manera, Annalisa
  • Novog, David
  • Cuervo Gómez, Diana
  • Petruzzi, Alessandro
Item Type: Article
Título de Revista/Publicación: Science and Technology of Nuclear Installations
Date: 2014
Volume: 2014
Faculty: E.T.S.I. Navales (UPM)
Department: Ingeniería Energética
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Historically, the prediction of safety margins has been based on system level thermal-hydraulic calculations employing suitable empirical formulations for assembly specific geometries and fuel-element grid spacers. These works have assessed response, margins, and consequences for the system based on one-dimensional two-fluid or drift-flux type thermalhydraulics formulations with fuel-vendor specific hydraulic losses and heat transfer characteristics for various fuel assemblies, including the so-called hot channel. Analysis of the hot channel gives important information on flow rates, fuel element centerline temperature, fuel sheath temperature, and margin to the departure from nucleate boiling. Given the reliance of the above approaches on empirical formulations obtained from complex and often difficult experiments, there is significant interest in obtaining reliable and accurate results from computation tools which employ more fundamental empirical relationships which can be obtained from subsets of the domain or from other scaled experiments.

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Item ID: 35153
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Deposited by: Memoria Investigacion
Deposited on: 16 May 2015 07:23
Last Modified: 10 Jun 2015 08:40
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