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Aerodynamic and aeroacoustic analysis of installed pusher propeller aircraft configurations (Section 7.2)

Yin, Jianping and Stürmer, Arne (2010) Aerodynamic and aeroacoustic analysis of installed pusher propeller aircraft configurations (Section 7.2). Journal of Sound and Vibration, 329, pp. 4824-4825. Elsevier. DOI: 10.1016/j.jsv.2010.06.001 ISSN 0022-460X

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Official URL: thhp://www.elsevier.com/locate/jsvi


the aeroacoustic phenomena characteristic of a pusher-propeller cofiguration and their aerodynamic causes are discussed and analyzed. The configuration under study is an industrially relevant design with a wing-mounted pusher propeller, which features a close coupling of the turboshaft engines exhaust nozzles and a five bladed propeller. An established numerical analysis approach is applied in this study, which couples a high-fidelity unsteady aerodynamic simulation using the DLR TAU-Code with the DLR APSIM Code for a subsequent aeroacoustic evaluation. APSIM computes the sound propagation into the fareld based on the Ffowcs-Williams/Hawkings (FW-H) equations. A detailed analysis of the contributions of various components of the installation as well as flight condition specific parameters toward the overall noise generation by the propeller is studied. A detailed analysis of specific aspects of the numerical approach for the aeroacoustic analysis is made through a comparison between the results achieved using both a FW-H impermeable and permeable formulation. The numerical error due to both jet exhaust and propeller wake impingement on the FW-H permeable surface as well as the impact of cutting a hole in this permeable surface to avoid possible issues of these effects are discussed.

Item URL in elib:https://elib.dlr.de/68126/
Document Type:Article
Title:Aerodynamic and aeroacoustic analysis of installed pusher propeller aircraft configurations (Section 7.2)
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Yin, Jianpingjianping.yin (at) dlr.deUNSPECIFIED
Stürmer, Arnearne.stuermer (at) dlr.deUNSPECIFIED
Journal or Publication Title:Journal of Sound and Vibration
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jsv.2010.06.001
Page Range:pp. 4824-4825
Casalino, DamianoUNSPECIFIED
Series Name:Aeroacoustics research in Europe: The CEAS-ASC report on 2009 highlights
Keywords:Propeller, Installation Effects, Engine-Airframe Installation, Unsteady Aerodyanmics, CFD, CAA, Noise, Aeroacoustics
HGF - Research field:Energy
HGF - Program:other
HGF - Program Themes:E - no assignment
DLR - Research area:Energy
DLR - Program:E - no assignment
DLR - Research theme (Project):E - no assignment
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Yin, Dr.-Ing. Jianping
Deposited On:07 Jan 2011 09:29
Last Modified:26 Mar 2015 13:56

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