New model for acoustic waves propagating through a vortical flow
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DOI: 10.1017/jfm.2017.339
Abstract: A new amplitude equation is derived for high-frequency acoustic waves propagating through an incompressible vortical flow using multi-time-scale asymptotic analysis. The reduced model is derived without an explicit spatial-scale separation ansatz between the wave and… read more here.
Keywords: new model; vortical flow; acoustic waves; model ... See more keywords
A Method to Measure and Model Acoustic Emissions of Multicopters
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DOI: 10.3390/ijerph20010096
Abstract: There is a growing interest for commercial applications of Unmanned Aerial Vehicles, but important foundations for an assessment, among others about noise, are missing. This contribution specifically focuses on a method to measure and model… read more here.
Keywords: model acoustic; measure model; model; method measure ... See more keywords