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Outputs (18)

SODAR measurements of wind vortex strength and position (2006)
Presentation / Conference
Bradley, S., Mursch-Radlgruber, E., & von Hünerbein, S. (2006, July). SODAR measurements of wind vortex strength and position. Presented at International Symposium for the Advancement of Boundary Layer Remote Sensing, Garmisch-Partenkirchen, Germany

A method is described for real-time visualisation of aircraft wing-tip vortices based on measurement data from a line array of SODARs. Every 2 s a ‘snapshot’ is taken of the atmospheric vertical velocity field above the SODARs. This provides a grid... Read More about SODAR measurements of wind vortex strength and position.

SODAR measurements of wind vortex strength and position (2006)
Presentation / Conference
Bradley, S., Mursch-Radlgruber, E., & von Hünerbein, S. (2006, July). SODAR measurements of wind vortex strength and position. Presented at International Symposium for the Advancement of Boundary Layer Remote Sensing, Garmisch-Partenkirchen, Germany

A method is described for real-time visualisation of aircraft wing-tip vortices based on measurement data from a line array of SODARs. Every 2 s a ‘snapshot’ is taken of the atmospheric vertical velocity field above the SODARs. This provides a grid... Read More about SODAR measurements of wind vortex strength and position.

Calibration of SODARs for wind energy applications (2006)
Presentation / Conference
von Hünerbein, S., Antoniou, I., Jorgensen, H., Kindler, D., & Bradley, S. (2006, July). Calibration of SODARs for wind energy applications. Presented at International Symposium for the Advancement of Boundary Layer Remote Sensing, Garmisch-Partenkirchen, Germany

Traditionally SODAR wind profilers have been assumed to be largely self-calibrated, with measurement errors mostly random. However, increasing demand for accuracy in applications such as wind energy demand robust calibration and intercomparison proce... Read More about Calibration of SODARs for wind energy applications.

Automatic detection of microphone wind noise : maximising accuracy of amplitude modulation ratings
Presentation / Conference
von Hünerbein, S., Cox, T., Kendrick, P., & Bradley, S. Automatic detection of microphone wind noise : maximising accuracy of amplitude modulation ratings. Presented at Wind Turbine Sound 2016, Gdansk, Poland

Microphone wind noise can corrupt outdoor measurements and recordings. It is a particular problem for wind turbine measurements because these cannot be carried out when the wind speed is low. Wind shields can be used, but often the sound level from t... Read More about Automatic detection of microphone wind noise : maximising accuracy of amplitude modulation ratings.

Precision measurements of wind turbine noise using a large aperture microphone array
Presentation / Conference
Bradley, S., Mikkelsen, T., von Hünerbein, S., & Legg, M. Precision measurements of wind turbine noise using a large aperture microphone array. Presented at 6th Berlin Beamforming Conference, Berlin

Experiments are described with a large microphone array (40 m scale) recording wind turbine noise. The array comprised 42 purpose-designed low-noise microphones simultaneously sampled at 20 kHz. Very high quality, fast, meteorological profile data wa... Read More about Precision measurements of wind turbine noise using a large aperture microphone array.

Atmospheric acoustic interferometer tomography of temperature and winds
Presentation / Conference
Bradley, S., von Hünerbein, S., & Haddad, A. Atmospheric acoustic interferometer tomography of temperature and winds. Presented at International Workshop on Tomography and Acoustics, Leipzig, Germany

A technique is described for multiple-path propagation time measurements in the surface layer of the atmosphere. This is based on solving simple bi-directional ray tracing equations on successively higher penetrating paths using propagation times for... Read More about Atmospheric acoustic interferometer tomography of temperature and winds.