2013
DOI: 10.1016/j.nucengdes.2013.02.030
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A CFD benchmarking exercise based on flow mixing in a T-junction

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Cited by 63 publications
(20 citation statements)
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“…Therefore, it is highly relevant in the context of aging and the life time management of a nuclear power plant. In the last decade, several efforts have been made for the assessment of thermal fatigue (Braillard et al, 2006;Chapuliot et al, 2005;Coste et al, 2008;Fontes et al, 2009;Kamide et al, 2009;Smith et al, 2013). The generic configuration that is mostly considered is the T-junction, where the mixing of two separate hot and cold streams occur immediately downstream of the T-junction.…”
Section: Introductionmentioning
confidence: 99%
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“…Therefore, it is highly relevant in the context of aging and the life time management of a nuclear power plant. In the last decade, several efforts have been made for the assessment of thermal fatigue (Braillard et al, 2006;Chapuliot et al, 2005;Coste et al, 2008;Fontes et al, 2009;Kamide et al, 2009;Smith et al, 2013). The generic configuration that is mostly considered is the T-junction, where the mixing of two separate hot and cold streams occur immediately downstream of the T-junction.…”
Section: Introductionmentioning
confidence: 99%
“…In the recent past, an attempt was made to evaluate the accuracy in the CFD predictions such thermal fluctuations in the form of the OECD CFD Benchmark for the Vattenfall T-junction configuration (Smith et al, 2013). The considered configuration was based on adiabatic walls.…”
Section: Introductionmentioning
confidence: 99%
“…The organization for economic co-operation and development/nuclear energy agency (OECD/NEA) Vattenfall T-junction Benchmark was initiated to test the ability of state-of-the-art computational fluid dynamics (CFD) codes to predict the important parameters affecting high cycle thermal fatigue in mixing tees. T-junction mixing experiments have been conducted at a number of facilities in France, Germany, Sweden, Japan, and Switzerland, but previously unreleased test data became available from tests carried out in November 2008 at the Älvkarleby laboratory of Vattenfall Research and Development in Sweden reported by Unclassified Committee On The Safety Of Nuclear Installations (NEA/CSNI/R (2011)5) [34].…”
Section: Introductionmentioning
confidence: 99%
“…Following the earlier results reported in the literature [34], LES approach with Smagorinsky Lilly sub-grid scale model (SGS) is adopted in the current study. Although predictions LES for Vattenfall T-junction using the FLUENT commercial code exist in the literature [34,35], a comparison is made with experimental data to evaluate if the grid resolution adopted in this study is sufficient to predict the mean and fluctuating variables with sufficient accuracy. After this validation step, an LES simulation is conducted to evaluate the performance of the swirl velocity at the inlet of mean pipe and its impact on the distribution of the flow field and temperature fluctuations downstream of the T-junction.…”
Section: Introductionmentioning
confidence: 99%
“…Firstly, characterization of thermal loads acting on structural components and the flow patterns that develop downstream of the T-junction have been possible by means of experimental facilities Smith et al, 2013). In particular, the Vattenfall benchmark facility (NEA/CSNI, 2011) was initially conceived for the development and validation of computational fluid dynamic (CFD) codes, mathematical approaches and turbulence models for the reliable simulation of fluid mixing phenomena.…”
Section: Introductionmentioning
confidence: 99%