Aeroacoustics

Dear Colleagues,

Aeroacoustics has evolved from being an afterthought of noise reduction measures to become an integral part of the design of aircraft and their engines. The considerable progress in reducing engine noise has led to the increasing relevance of aerodynamic noise, adding another dimension to aeroacoustics. The growth in air traffic, doubling every 15 to 25 years, compounds the challenges of reducing the total noise exposure of near airport residents. The reduction of external noise is the subject of specific performance targets in the aeronautical research programs, such as H2020-Acare in Europe and the Environmentally Responsible Aircraft (ERA) in the U.S. These targets of noise reduction, per aircraft operation, aim at enabling stricter International Civil Aviation Organization (ICAO) noise standards and avoiding noise restrictions imposed by authorities at major airports, in addition to the certification and local standards for external noise. Airlines value low internal noise for the comfort of passengers. The preceding factors all contribute to the increasing breadth and importance of aeroacoustics. The Special Issue addresses this broad change of topics, welcoming papers on: (i) analytical and computational aeroacoustics, (ii) experimental methods, (iii) applications to engine and aircraft design, and (iv) low-noise operating procedures. Particularly desirable are papers connecting more than one of the aspects (i) to (iv), e.g., (i) computational aeroacoustics with (ii) experimental validation, simulating an (iii) aircraft application or (iv) operational procedure, possibly as a part of an on-going or recently-completed research project.

Prof. Dr. Luís M.B.C. Campos
Guest Editor

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• Aeroacoustics
• airport noise
• aircraft noise
• turbine engine noise
• low-noise operations
• Vibroacoustics

• Recent Advances in Aeroacoustics in Aerospace (6 articles)