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Multiphase flow phenomena of steam generator tube rupture in a lead-cooled reactor system: A scoping analysis
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2008 (English)In: Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work", 2008, 2765-2775 p.Conference paper, Published paper (Refereed)
Abstract [en]

The paper is concerned with understanding and quantification of intense multiphase interactions in a Steam Generator Tube Rupture (SGTR) scenario in advanced lead-cooled reactor systems. The scoping approach taken in this paper is to focus on key flow physics that complements other ongoing detailed computational and experimental efforts on SGTG analysis. The present study suggests that (i) the initial pressure shock wave poses no credible threat to invessel structures, except for limited pressure loading on very few adjacent heat-exchange tubes; (ii) the sloshing-relatedfluid motion is well bounded in a domain beyond the heat exchanger; (iii) the pre-mixture is not pre-conditioned for triggering and a postulated steam explosion would have limited energetics; and (iv) an initial discharge of steam/water mass is amenable for entrapment in the primary coolant flow. Implications for further research are discussed in the paper.

Place, publisher, year, edition, pages
2008. 2765-2775 p.
Series
Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work", 5
Keyword [en]
Descaling, Electric power plants, Fluid dynamics, Fluid mechanics, Multiphase flow, Nuclear energy, Nuclear engineering, Nuclear industry, Nuclear power plants, Reactor cores, Research, Steam, Steam generators, Steam power plants, Tubes (components), Coolant flow, Flow phenomenon, Flow physics, Heat-exchange tubes, Initial pressure, International Congress on Advances in Nuclear Power Plants, Lead-cooled reactor, Multiphase interactions, Nuclear renaissance, Pressure loadings, Scoping, Steam generator tube rupture, Steam-explosion, Power plants
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-154324Scopus ID: 2-s2.0-52249098812ISBN: 9781604238716 (print)OAI: oai:DiVA.org:kth-154324DiVA: diva2:756813
Conference
Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work", 13 May 2007 through 18 May 2007, Nice
Note

QC 20141020

Available from: 2014-10-20 Created: 2014-10-17 Last updated: 2014-10-20Bibliographically approved

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