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Schmeling, Daniel und Winter, Stefan und Bosbach, Johannes und Wagner, Claus (2016) On the Influence of the Aspect Ratio on Structure Formation in Turbulent Mixed Convection. 24th International Congress of Theoretical and Applied Mechanics (ICTAM), 2016-08-21 - 2016-08-26, Montréal, Canada.
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Offizielle URL: https://myictam2016.zerista.com/event/member?item_id=4836352
Kurzfassung
Mixed convection in a cuboidal convection cell is studied under variation of the aspect ratio Γxz = L/H in the range 0.2 ≤ Γxz ≤ 4 at Pr ≈ 0.7, Re ≈ 8.6∙103, Ra ≈ 2.4∙108 and Ar ≈ 4.5 by temperature measurements at certain locations. It is shown that the evaluation of dipole moments from the local temperatures leads to a quantity, which possibly indicates the formation of large-scale structures. Further it is found, that the number of convection rolls, which are formed in the sample, is less or equal in mixed convection as compared to pure thermal convection for all investigated Γxz.
| elib-URL des Eintrags: | https://elib.dlr.de/102919/ | ||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||||||
| Titel: | On the Influence of the Aspect Ratio on Structure Formation in Turbulent Mixed Convection | ||||||||||||||||||||
| Autoren: |
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| Datum: | 2016 | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | mixed convection, aspect ratio, large-scale circulation | ||||||||||||||||||||
| Veranstaltungstitel: | 24th International Congress of Theoretical and Applied Mechanics (ICTAM) | ||||||||||||||||||||
| Veranstaltungsort: | Montréal, Canada | ||||||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||||||
| Veranstaltungsbeginn: | 21 August 2016 | ||||||||||||||||||||
| Veranstaltungsende: | 26 August 2016 | ||||||||||||||||||||
| Veranstalter : | www.ictam2016.org | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Verkehr | ||||||||||||||||||||
| HGF - Programmthema: | Bodengebundener Verkehr (alt) | ||||||||||||||||||||
| DLR - Schwerpunkt: | Verkehr | ||||||||||||||||||||
| DLR - Forschungsgebiet: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | V - Next Generation Train III (alt) | ||||||||||||||||||||
| Standort: | Göttingen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik | ||||||||||||||||||||
| Hinterlegt von: | Bachmann, Barbara | ||||||||||||||||||||
| Hinterlegt am: | 04 Okt 2016 11:46 | ||||||||||||||||||||
| Letzte Änderung: | 24 Apr 2024 20:08 |
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