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dc.contributor.author
Shams, Afaque
dc.contributor.author
Roelofs, Ferry
dc.contributor.author
Tiselj, Iztok
dc.contributor.author
Oder, Jure
dc.contributor.author
Bartosiewicz, Yann
dc.contributor.author
Duponcheel, Matthieu
dc.contributor.author
Ničeno, Bojan
dc.contributor.author
Guo, Wentao
dc.contributor.author
Stalio, Enrico
dc.contributor.author
Angeli, Diego
dc.contributor.author
Fregni, Andrea
dc.contributor.author
Buckingham, Sophia
dc.contributor.author
Koloszár, Lilla K.
dc.contributor.author
Villa Ortiz, Agustín
dc.contributor.author
Planquart, Philippe
dc.contributor.author
Narayanan, Chidambaram
dc.contributor.author
Lakehal, Djamel
dc.contributor.author
Van Tichelen, Katrien
dc.contributor.author
Jäger, W.
dc.contributor.author
Schaub, Thomas
dc.date.accessioned
2021-02-26T13:37:12Z
dc.date.available
2021-02-01T09:05:01Z
dc.date.available
2021-02-26T13:37:12Z
dc.date.issued
2020-09
dc.identifier.issn
0029-5493
dc.identifier.issn
1872-759X
dc.identifier.other
10.1016/j.nucengdes.2020.110750
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/466977
dc.description.abstract
This article reports the experimental and DNS database that has been generated, within the framework of the EU SESAME and MYRTE projects, for various low-Prandtl flow configurations in different flow regimes. This includes three experiments: confined and unconfined backward facing steps with low-Prandtl fluids, and a forced convection planar jet case with two different Prandtl fluids. In terms of numerical data, seven different flow configurations are considered: a wall-bounded mixed convection flow at low-Prandtl number with varying Richardson number (Ri) values; a wall-bounded mixed and forced convection flow in a bare rod bundle configuration; a forced convection confined backward facing step (BFS) with conjugate heat transfer; a forced convection impinging jet for three different Prandtl fluids corresponding to two different Reynolds numbers of the fully developed planar turbulent jet; a mixed-convection cold-hot–cold triple jet configuration corresponding to Ri = 0.25; an unconfined free shear layer for three different Prandtl fluids; and a forced convection infinite wire-wrapped fuel assembly. This wide range of reference data is used to evaluate, validate and/or further develop different turbulent heat flux modelling approaches, namely simple gradient diffusion hypothesis (SGDH) based on constant and variable turbulent Prandtl number; explicit and implicit algebraic heat flux models; and a second order turbulent heat flux model. Lastly, this article will highlight the current challenges and perspectives of the available turbulence models, in different codes, for the accurate prediction of flow and heat transfer in low-Prandtl fluids.
en_US
dc.language.iso
en
en_US
dc.publisher
Elsevier
en_US
dc.subject
Heat transfer
en_US
dc.subject
Low-Prandtl
en_US
dc.subject
Experiment
en_US
dc.subject
DNS
en_US
dc.subject
Turbulence models
en_US
dc.title
A collaborative effort towards the accurate prediction of turbulent flow and heat transfer in low-Prandtl number fluids
en_US
dc.type
Journal Article
dc.date.published
2020-08-03
ethz.journal.title
Nuclear Engineering and Design
ethz.journal.volume
366
en_US
ethz.journal.abbreviated
Nucl. eng. des.
ethz.pages.start
110750
en_US
ethz.size
19 p.
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Amsterdam
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::03725 - Prasser, Horst-Michael (emeritus) / Prasser, Horst-Michael (emeritus)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::03725 - Prasser, Horst-Michael (emeritus) / Prasser, Horst-Michael (emeritus)
en_US
ethz.date.deposited
2021-02-01T09:05:09Z
ethz.source
FORM
ethz.eth
no
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-02-26T13:37:22Z
ethz.rosetta.lastUpdated
2021-02-26T13:37:22Z
ethz.rosetta.versionExported
true
ethz.COinS
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