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Advanced open rotor noise prediction

Published online by Cambridge University Press:  27 January 2016

M. J. Kingan*
Affiliation:
Institute of Sound and Vibration Research, University of Southampton, Southampton, UK
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Abstract

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The purpose of this paper is to describe the current status of open rotor noise prediction methods and to highlight future challenges in this area. A number of analytic and numerical methods are described which can be used for predicting ‘isolated’ and ‘installed’ open rotor tonal noise. Broadband noise prediction methods are also described and it is noted that further development and validation of the current models is required. The paper concludes with a discussion of the analytical methods which are used to assess the acoustic data collected during the high-speed wind-tunnel testing of a model scale advanced open rotor rig.

Information

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 2014