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Bahavar, Philipp und Brückner, Christian und Wagner, Claus (2019) DNS of turbulent channel flow with phase Transition using an active scalar condensation model. In: multiphase flow. 10th International Conference on Multiphase Flow (ICMF), 19.-24. Mai 2019, Rio de Janeiro, Brasilien.
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Offizielle URL: http://www.icmf2019.com.br/
Kurzfassung
A single phase DNS including temperature and vapor concentration as active scalars is used to investigate the influence of phase transition effects in turbulent flow through a cooled channel. Analysis of the flow fields reveals high-velocity sweeps as the dominant transport mechanism of vapor across the phase boundary, leading to heterogeneous condensate accumulation and release of latent heat at the wall. Spectra of turbulent kinetic energy show that conversely, the coherent structures are themselves modified by condensation events.
| elib-URL des Eintrags: | https://elib.dlr.de/125831/ | ||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||
| Titel: | DNS of turbulent channel flow with phase Transition using an active scalar condensation model | ||||||||||||||||
| Autoren: |
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| Datum: | Mai 2019 | ||||||||||||||||
| Erschienen in: | multiphase flow | ||||||||||||||||
| Open Access: | Nein | ||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||
| Stichwörter: | DNS, channel flow, buoyancy, turbulence, condensation | ||||||||||||||||
| Veranstaltungstitel: | 10th International Conference on Multiphase Flow (ICMF) | ||||||||||||||||
| Veranstaltungsort: | Rio de Janeiro, Brasilien | ||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||
| Veranstaltungsdatum: | 19.-24. Mai 2019 | ||||||||||||||||
| 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 > Bodengebundene Fahrzeuge | ||||||||||||||||
| Hinterlegt von: | Bahavar, Philipp | ||||||||||||||||
| Hinterlegt am: | 12 Jun 2019 16:37 | ||||||||||||||||
| Letzte Änderung: | 29 Mär 2023 00:40 |
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