Yin, Jianping and Stuermer, Arne (2011) Simulation of noise radiation from installed pusher propeller aircraft configurations (Section 8.3). Journal of Sound and Vibration, 330 (2011), pp. 4975-4976. DOI: 10.1016/j.jsv.2010.06.001. ISSN 0022-460X.
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The aeroacoustic phenomena characteristic of a pusher-propeller configuration and their aerodynamic causes are discussed and analyzed. The work was done in the frame of the European-funded project CESAR (Cost Effective Small AiRcraft). 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. The coupling of an Actuator Disc (TAU AD) model and unsteady free wake panel method (UPM) is employed for the computation of the propeller unsteady aerodynamic force in "pusher" installations. The Ffowcs-Williams/Hawkings (FW-H) equations based code APSIM is used to compute the sound propagation into the far field. A detailed comparison of the current fast coupling method with high-fidelity uRANS (TAU) simulation results and the differences between the two approaches are discussed. The noise reduction through a redesigned engine exhaust nozzle is presented.
|Title:||Simulation of noise radiation from installed pusher propeller aircraft configurations (Section 8.3)|
|Date:||24 June 2011|
|Journal or Publication Title:||Journal of Sound and Vibration|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 4975-4976|
|Series Name:||Aeroacoustics research in Europe: The CEAS-ASC report on 2010 highlights|
|Keywords:||Noise radiation, installation effect, pusher propeller, unsteady panel method (UPM), Actuator disk (TAU), FW-H APSIM|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||Rotorcraft|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L RR - Rotorcraft Research|
|DLR - Research theme (Project):||L - The Quiet and Comfortable Rotorcraft|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology|
|Deposited By:||Dr.-Ing. Jianping Yin|
|Deposited On:||28 Sep 2011 16:16|
|Last Modified:||07 Feb 2013 20:35|
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