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Lohmann, D. und Capdevila, H. und Stark, U. und Kuntz, M. (1997) CFD - Analysis of Fan Aeroacoustics - Comparative Studies. Fifth Int. Congress on Sound and Vibration, University of Adelaide, South Australia, 15.-18.12.1997.
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Kurzfassung
The need of aeroacoustically highefficient fans requires more detailed investigations of three dimensional effects and separated flow analysis. Comprehensive studies and code validation for fans have shown, that further development - especially for the influence of sweep - is necessary. Therefore, two different Navier-Stokes Codes, a lifting surface code and a classical method for 3-D cascade flow were used to compute a ducted swept radiator fan. The results of the method are checked against each other and compared with experiments to firstly validate the codes in aerodynamics and secondly deliver data for acoustic calculations. Here the aerodynamic pressure and boundary displacement thickness are taken for the analogy method. The far-field is computed by the use of Rayleighs`s formular. Different flow rates were modeled for a 7-bladed fan geometry. The computational results of static pressure and efficiency are.
| elib-URL des Eintrags: | https://elib.dlr.de/36623/ | ||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Paper) | ||||||||||||||||||||
| Zusätzliche Informationen: | LIDO-Berichtsjahr=1997, pages=22, | ||||||||||||||||||||
| Titel: | CFD - Analysis of Fan Aeroacoustics - Comparative Studies | ||||||||||||||||||||
| Autoren: |
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| Datum: | 1997 | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | Aeroakustik, Luefter, Geblaese, CFD-Analyse | ||||||||||||||||||||
| Veranstaltungstitel: | Fifth Int. Congress on Sound and Vibration, University of Adelaide, South Australia, 15.-18.12.1997 | ||||||||||||||||||||
| HGF - Forschungsbereich: | NICHT SPEZIFIZIERT | ||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||
| HGF - Programmthema: | keine Zuordnung | ||||||||||||||||||||
| DLR - Schwerpunkt: | NICHT SPEZIFIZIERT | ||||||||||||||||||||
| DLR - Forschungsgebiet: | L TT - Triebwerkstechnologien | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Leiser Luftverkehr (alt) | ||||||||||||||||||||
| Standort: | Köln-Porz , Braunschweig , Göttingen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Institut für Entwurfsaerodynamik | ||||||||||||||||||||
| Hinterlegt von: | DLR-Beauftragter, elib | ||||||||||||||||||||
| Hinterlegt am: | 03 Apr 2006 | ||||||||||||||||||||
| Letzte Änderung: | 27 Apr 2009 10:06 |
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