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Huhn, Florian und Schanz, Daniel und Gesemann, Sebastian und Schröder, Andreas (2015) Pressure fields from high-resolution time-resolved particle tracking velocimetry in 3D turbulent flows. Workshop on Non-Intrusive measurements for unsteady flows and aerodynamics - NIM2015 -, 2015-11-27 - 2015-11-29, Poitiers, France.
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Offizielle URL: http://nim2015.conference.univ-poitiers.fr/
Kurzfassung
We present the measurement of unsteady 3D pressure fields in turbulent flows. The pressure gradient field is obtained based on the material acceleration of single particle trajectories from high-density particle tracking velocimetry (PTV), assuming the governing momentum equation. For the integration of the pressure gradient, we propose a new method that is based on Helmholtz decomposition and integration in Fourier space. We show pressure fields for two experiments, a large-scale convective flow in air and a jet flow in water.
| elib-URL des Eintrags: | https://elib.dlr.de/98605/ | ||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||||||
| Zusätzliche Informationen: | Session 5 - Pressure Evaluation | ||||||||||||||||||||
| Titel: | Pressure fields from high-resolution time-resolved particle tracking velocimetry in 3D turbulent flows | ||||||||||||||||||||
| Autoren: |
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| Datum: | 2015 | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Seitenbereich: | Seiten 85-88 | ||||||||||||||||||||
| Name der Reihe: | Workshop Proceedings on CD-ROM | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | optical flow measurement, pressure reconstruction, pressure field, PTV, Shake-The-Box, FlowFit | ||||||||||||||||||||
| Veranstaltungstitel: | Workshop on Non-Intrusive measurements for unsteady flows and aerodynamics - NIM2015 - | ||||||||||||||||||||
| Veranstaltungsort: | Poitiers, France | ||||||||||||||||||||
| Veranstaltungsart: | Workshop | ||||||||||||||||||||
| Veranstaltungsbeginn: | 27 November 2015 | ||||||||||||||||||||
| Veranstaltungsende: | 29 November 2015 | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||
| HGF - Programmthema: | Flugzeuge | ||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | L AR - Aircraft Research | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Simulation und Validierung (alt) | ||||||||||||||||||||
| Standort: | Göttingen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Experimentelle Verfahren | ||||||||||||||||||||
| Hinterlegt von: | Micknaus, Ilka | ||||||||||||||||||||
| Hinterlegt am: | 17 Nov 2015 14:45 | ||||||||||||||||||||
| Letzte Änderung: | 24 Apr 2024 20:04 |
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