CUED Publications database

Experimental characterization of vertical-axis wind turbine noise.

Pearson, CE and Graham, WR (2015) Experimental characterization of vertical-axis wind turbine noise. J Acoust Soc Am, 137. EL111-EL116.

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Vertical-axis wind turbines are wind-energy generators suitable for use in urban environments. Their associated noise thus needs to be characterized and understood. As a first step, this work investigates the relative importance of harmonic and broadband contributions via model-scale wind-tunnel experiments. Cross-spectra from a pair of flush-mounted wall microphones exhibit both components, but further analysis shows that the broadband dominates at frequencies corresponding to the audible range in full-scale operation. This observation has detrimental implications for noise-prediction reliability and hence also for acoustic design optimization.

Item Type: Article
Divisions: Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:42
Last Modified: 22 May 2018 06:29