Aeroacoustics research in Europe : The CEAS - ASC report on 2009 highlights
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چکیده
The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists Committee (ASC) supports and promotes the interests of the scientific and industrial aeroacoustics community on an European scale and European aeronautics activities internationally. In this context, ‘‘aeroacoustics’’ encompasses all aerospace acoustics and related areas. Each year the committee highlights some of the research and development projects in Europe. This paper is a report on highlights of aeroacoustics research in Europe in 2009, compiled from information provided to the ASC of the CEAS. In April 2009, the Level-2 project OPENAIR of the Seventh Framework Programme of the European Commission has been launched with the goal of delivering a step change in noise reduction, beyond the successful achievements of the predecessor SILENCE(R). Some contributions submitted to the editor summarizes findings from programmes launched before 2009, while other contributions report on activities supported by national associations and industries. Furthermore, a concise summary of the workshop on ‘‘Resolving Uncertainties in Airframe Noise Testing and CAA Code Validation’’ held in Bucharest is included in this report. Enquiries concerning all contributions should be addressed to the authors who are given at the end of each subsection. & 2010 Elsevier Ltd. All rights reserved. 1. CEAS-ASC workshop The workshop on ‘‘Resolving Uncertainties in Airframe Noise Testing and CAA Code Validation’’ was held on 1–2 October 2009 at the The Palace of Parliament in Bucharest, Romania. It was the 13thworkshop sponsored by the ASC of CEAS, the third one to be sponsored by the Aeroacoustics Committee of AIAA, and the fourth one to be financially supported by the X3-Noise collaborative network project of the European Commission. The workshop was locally organized by Sorin Gabroveanu, from the National Research and Development Institute for Gas Turbines (COMOTI). The chairman of the scientific committee was Lars Koop from DLR (German Aerospace Center), who will act as guest editor of a special issue of the International Journal of Aeroacoustics dedicated to the workshop. The subject of ‘‘Airframe Noise Testing and CAA Code Validation’’ has gained increasing interest recently, as computational aeroacoustics becomes more and more important within the future quiet aircraft design process to achieve the reduction of noise emission by aircraft postulated in the ACARE VISION 2020 agenda. The workshop started with a keynote lecture given by David Lockard fromNASA Langley about ‘‘CAA validation and benchmark experiments for airframe noise: needs, challenges and near term prospects’’ in which the general issue of data accuracy obtained from both numerical calculations and validation experiments was addressed. The benefit to be expected from particle image velocimetry experiments in the field of
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