Wind turbine noise and meteorological influences

Authors

  • Ramani Ramakrishnan Ryerson University, Department of Architectural Science, 350 Victoria St., Toronto, Ont.
  • Nicholas Sylvestre-Williams Ryerson University, Department of Mechanical Engineering, 350 Victoria St., Toronto, Ont.

Keywords:

Mathematical models, Meteorology, Speed control, Standardization, Noise levels, Potential masking, Receptor locations, Wind farms

Abstract

The Ontario Ministry of the Environment (MOE) has implemented a simple procedure to assess the noise impact of a wind farm, consisting of a group of wind turbines. The process identifies the locations of the wind turbines within the wind farm as well as all the sensitive receptors within an influence zone of 1 km. It evaluates the noise levels at all identified receptor locations by using a standardized propagation model such as ISO-9613. The procedure also allows the potential masking effect of the prevailing wind noise. Meteorological data, wind speed and direction are obtained as one-hour averages from the weather station near the wind farm. The wind speeds at 10 m high are converted to a hub-height of 80 m and then reconverted back to the 10 m high wind speeds. The results show that local conditions do not follow any set patterns and there can be substantial variations in evaluated noise levels.

Additional Files

Published

2007-09-01

How to Cite

1.
Ramakrishnan R, Sylvestre-Williams N. Wind turbine noise and meteorological influences. Canadian Acoustics [Internet]. 2007 Sep. 1 [cited 2025 Feb. 13];35(3):190-1. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1963

Issue

Vol. 35 No. 3 (2007)

Section

Proceedings of the Acoustics Week in Canada

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