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A General Prediction Procedure for Light Propeller Driven Aeroplane Flyover Noise Signatures

Dobrzynski, W. (1994) A General Prediction Procedure for Light Propeller Driven Aeroplane Flyover Noise Signatures. Proceedings, Inter-Noise 94 - Noise - Quantity and Quality -, 29.-31. August 1994, Yokohama, Japan.

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Abstract

Noise emission characteristics of propeller-driven aeroplanes (i.e. General Aviation aircraft) are the essential input data for immission calculations to be performed for airfields in Germany. In contrast to presently available calculation procedures, in this paper such characteristics shall be based on modern propeller noise calculation schemes rather than employing empirically determined "aircraft noise-categories". Propeller noise predictions were performed utilizing a time-domain calculation scheme, however, related to a "representative constant" blade geometry, a fixed radial blade loading distribution and typical blade lift- and drag coefficients. As a consequence of such simplifications calculated noise data need to be checked against measured noise levels. Once the simplified noise prediction code has thus been "calibrated" it could be used directly to calculate noise levels as a function of overall design- and operational parameters.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994,
Title:A General Prediction Procedure for Light Propeller Driven Aeroplane Flyover Noise Signatures
Authors:
AuthorsInstitution or Email of Authors
Dobrzynski, W.UNSPECIFIED
Date:1994
Volume:Vol 1
Page Range:pp. 271-274
Series Name:Inter-Noise
Status:Published
Keywords:Aircraft Noise, Propeller Noise Prediction
Event Title:Proceedings, Inter-Noise 94 - Noise - Quantity and Quality -, 29.-31. August 1994, Yokohama, Japan
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L TT - Triebwerkstechnologien
DLR - Research theme (Project):L - Quiet Air Traffic (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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