Advances in aeroacoustics research : recent developments and perspectives

Karabasov, Sergey and Ayton, Lorna and Wu, Xuesong and Afsar, Mohammed (2019) Advances in aeroacoustics research : recent developments and perspectives. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences. ISSN 1471-2962 (In Press)

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    Abstract

    Aeroacoustics continues to be a subject of active research now nearly 70 years since its genesis in the 1950s at the dawn of the jet age. Although fundamentally a branch of fluid mechanics, aeroacoustics has grown into a discipline of its own right with well-defined scientific and technological missions, namely, modelling both the generation and outward propagation of sound, and more critically developing novel noise-reduction techniques. Given the ongoing expansion of civil aviation set against the introduction of ever more stringent regulations on aviation noise, it is imperative to reduce aircraft noise even further. Moreover, unexplored noise sources from diverse areas, such as that generated by flow over unmanned aerial vehicles, wind turbines and the forthcoming urban air mobility vehicles, present further challenges.