Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    inflow$turbulence$/$turbine$wakes$/$direc

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    Turbine)Sound)Variability:)averages$&$peaks$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Variability$in$turbine$source$levels:$$And)indeed,)modeling)from)measured$apparent$SPLs$of$2.3K3.6MW$turbines,)the)

    distance)required)from)either)single)or)mul

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Turbine)Sound)Variability:)how$common$are$peaks?$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Community)noise)tolerance$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Community)noise)tolerance$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Community)noise)tolerance:)audibility$in$ambient$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Audible)low)frequency)noise$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Audible)low)frequency)noise$

    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Infrasonic)&)lowest)freq.)audible)noise))Rapid$pulsing:$enhancing$percep

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Infrasonic)noise))Late$2012$collabora

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Wakes,)shear,)turbulence)Sugges

  • 7/28/2019 Community Response to Wind Farm Noise: The possible role of turbulence, shear, and wake effects

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    Cummings:)Guest)seminar,)NREL)May)2,)2013)and)Sandia)Na

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    Cummings:)Renewable)Energy)World)North)America,)December)2012)

    Working)with)communi

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    Cummings:)Renewable)Energy)World)North)America,)December)2012)

    Turbulence)research:)noise$reduc