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Wind turbine sound transmission in the atmospheric boundary layer

Wind turbine sound transmission in the atmospheric boundary layer. Olof Öhlund December 2013. Outline. Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General description of model - An example run

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Wind turbine sound transmission in the atmospheric boundary layer

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  1. Windturbine sound transmission in the atmosphericboundarylayer Olof Öhlund December 2013

  2. Outline Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions • Wind turbine sound measurements • Model predictions • Ongoing work with a new ray tracing model • Speed of sound • Refraction • General description of model • An example • Conclusion

  3. Measurements Dragaliden 12 WTs ~ 1200 m Ryningsnäs 2 WTs ~ 400 m Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions Photo: Svevind Photo: Hans Blomberg

  4. Model predictions Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions

  5. Model predictions Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions

  6. Model predictions Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions

  7. Speed of sound Outline Measurements Model predictions Ongoing work with a new ray tracing model - Speed of sound - Refraction - General descriptionofmodel - An examplerun Conclusions

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