A Method to Precisely Measure Wind Turbine Pressure Disturbances, Including Noise

Authors

  • Andy Metelka SVS Canada Inc.

Keywords:

Infrasound Measurements of Wind Turbines

Abstract

Complex noises sources are not easily measured when the conditions constantly change. Wind turbines are an example of these challenging sources. Some say it’s like magic; now you hear them and now you don’t. Sound comes and goes and changes with distance, temperature, humidity, wind speed, wind direction, wind shear, thermal inversion, sound absorption, etc. Its annoyance and detectability may also be masked by various forms of intermittent background noise. There is also unwanted noise inherent with the measurement system itself, such as wind screen noise that needs to be separated from the sources of interest. These need to be identified such that only clean records where artifacts are not present are chosen and the sources of interest are analyzed. Being variables, many may, at times, have a cumulative effect on the sources, increasing their presence.  Different receptors (humans and animals) react differently with different types of noise. Receptors that live under these conditions tend to experience annoyance.

Author Biography

Andy Metelka, SVS Canada Inc.

President of Sound and Vibration Solutions Canada Inc.

30  years experience in Noise and Vibration measurement instrumentation, design and development

Additional Files

Published

2018-03-13

How to Cite

1.
Metelka A. A Method to Precisely Measure Wind Turbine Pressure Disturbances, Including Noise. Canadian Acoustics [Internet]. 2018 Mar. 13 [cited 2024 Nov. 18];46(1):53-6. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3191

Issue

Vol. 46 No. 1 (2018)

Section

Technical Notes

License

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