A case study will be presented where a number of wind turbines in a project were intentionally yaw misaligned to investigate various effects. This paper investigates changes in sound level and special characteristics of wind turbine noise (amplitude modulation) due to the intentional yaw misalignment.

Ian Bonsma

Nathan Gara

Brian Howe

Canadian acoustics

The CAA is the professional, interdisciplinary organization that :    - fosters communication among people working in all areas of acoustics in Canada   - promotes the growth and practical application of knowledge in acoustics   - encourages education, research, protection of the environment, and employment in acoustics   - is an umbrella organization through which general issues in education, employment and research can be addressed at a national and multidisciplinary level

The Canadian Acoustics Association (CAA) is a professional, interdisciplinary organization that: - fosters communication among individuals working in all areas of acoustics in Canada; - promotes the growth and practical application of knowledge in acoustics; - encourages education, research, environmental protection, and employment in acoustics; - serves as an umbrella organization through which general issues in education, employment, and research can be addressed at a national and multidisciplinary level.

加拿大声学学会（Canadian Acoustics - Acoustique Canadienne）是一个专业的跨学科组织，旨在：- 促进加拿大各领域声学工作者之间的交流；- 促进声学知识的增长和实际应用；- 鼓励声学领域的教育、研究、环境保护和就业；- 作为一个综合性组织，解决教育、就业和研究等一般问题，推动国家和多学科层面的讨论。

Intentional Yaw Misalignment and the Effects on Wind Turbine Noise

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