DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number

Jordan A. Denev; Jochen Fröhlich; Henning Bockhorn; Florian Schwertfirm; Michael Manhart

doi:10.1007/978-3-540-78827-0_27

DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number

Jordan A. Denev, Jochen Fröhlich, Henning Bockhorn, Florian Schwertfirm, Michael Manhart

Professur für Hydromechanik

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag › Begutachtung

2 Zitate (Scopus)

Abstract

The paper reports on DNS and LES of plane channel flow at Re _τ = 180 and compares these to a DNS with a higher order convection scheme. For LES different subgrid-scale models like the Smagorinsky, the Dynamic Smagorinsky and the Dynamic Mixed Model were used with the grid being locally refined in the near-wall region. The mixing of a passive scalar has been simulated with two convection schemes, central differencing and HLPA. The latter exhibits numerical diffusion and the results with the central scheme are clearly superior. LES with this scheme reproduced the budget of the scalar variance equation reasonably well.

Originalsprache	Englisch
Titel	Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers
Seiten	251-258
Seitenumfang	8
DOIs	https://doi.org/10.1007/978-3-540-78827-0_27
Publikationsstatus	Veröffentlicht - 2008
Veranstaltung	6th International Conference on Large-Scale Scientific Computing, LSSC 2007 - Sozopol, Bulgarien Dauer: 5 Juni 2007 → 9 Juni 2007

Publikationsreihe

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Band	4818 LNCS
ISSN (Print)	0302-9743
ISSN (elektronisch)	1611-3349

Konferenz

Konferenz	6th International Conference on Large-Scale Scientific Computing, LSSC 2007
Land/Gebiet	Bulgarien
Ort	Sozopol
Zeitraum	5/06/07 → 9/06/07

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10.1007/978-3-540-78827-0_27

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Denev, J. A., Fröhlich, J., Bockhorn, H., Schwertfirm, F., & Manhart, M. (2008). DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number. in Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers (S. 251-258). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Band 4818 LNCS). https://doi.org/10.1007/978-3-540-78827-0_27

Denev, Jordan A. ; Fröhlich, Jochen ; Bockhorn, Henning et al. / DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number. Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers. 2008. S. 251-258 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

@inproceedings{f0e656c67fd647cb91b8a7d62743e9ef,

title = "DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number",

abstract = "The paper reports on DNS and LES of plane channel flow at Re τ = 180 and compares these to a DNS with a higher order convection scheme. For LES different subgrid-scale models like the Smagorinsky, the Dynamic Smagorinsky and the Dynamic Mixed Model were used with the grid being locally refined in the near-wall region. The mixing of a passive scalar has been simulated with two convection schemes, central differencing and HLPA. The latter exhibits numerical diffusion and the results with the central scheme are clearly superior. LES with this scheme reproduced the budget of the scalar variance equation reasonably well.",

author = "Denev, {Jordan A.} and Jochen Fr{\"o}hlich and Henning Bockhorn and Florian Schwertfirm and Michael Manhart",

year = "2008",

doi = "10.1007/978-3-540-78827-0_27",

language = "English",

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series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",

pages = "251--258",

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note = "6th International Conference on Large-Scale Scientific Computing, LSSC 2007 ; Conference date: 05-06-2007 Through 09-06-2007",

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Denev, JA, Fröhlich, J, Bockhorn, H, Schwertfirm, F & Manhart, M 2008, DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number. in Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Bd. 4818 LNCS, S. 251-258, 6th International Conference on Large-Scale Scientific Computing, LSSC 2007, Sozopol, Bulgarien, 5/06/07. https://doi.org/10.1007/978-3-540-78827-0_27

DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number. / Denev, Jordan A.; Fröhlich, Jochen; Bockhorn, Henning et al.
Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers. 2008. S. 251-258 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Band 4818 LNCS).

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag › Begutachtung

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T1 - DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number

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AU - Fröhlich, Jochen

AU - Bockhorn, Henning

AU - Schwertfirm, Florian

AU - Manhart, Michael

PY - 2008

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N2 - The paper reports on DNS and LES of plane channel flow at Re τ = 180 and compares these to a DNS with a higher order convection scheme. For LES different subgrid-scale models like the Smagorinsky, the Dynamic Smagorinsky and the Dynamic Mixed Model were used with the grid being locally refined in the near-wall region. The mixing of a passive scalar has been simulated with two convection schemes, central differencing and HLPA. The latter exhibits numerical diffusion and the results with the central scheme are clearly superior. LES with this scheme reproduced the budget of the scalar variance equation reasonably well.

AB - The paper reports on DNS and LES of plane channel flow at Re τ = 180 and compares these to a DNS with a higher order convection scheme. For LES different subgrid-scale models like the Smagorinsky, the Dynamic Smagorinsky and the Dynamic Mixed Model were used with the grid being locally refined in the near-wall region. The mixing of a passive scalar has been simulated with two convection schemes, central differencing and HLPA. The latter exhibits numerical diffusion and the results with the central scheme are clearly superior. LES with this scheme reproduced the budget of the scalar variance equation reasonably well.

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SN - 9783540788256

T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

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Denev JA, Fröhlich J, Bockhorn H, Schwertfirm F, Manhart M. DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number. in Large-Scale Scientific Computing - 6th International Conference, LSSC 2007, Revised Papers. 2008. S. 251-258. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). doi: 10.1007/978-3-540-78827-0_27

DNS and LES of scalar transport in a turbulent plane channel flow at low Reynolds number

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