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- University
- Politecnico di Milano
- Degree programme
- Energy Engineering
- Subject
- Design of Fluid Machines for Clean Power Generation
- Classification
- Other study material
- Original format
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Design of a Horizontal Axis Wind Turbine Report
Study material for Design of Fluid Machines for Clean Power Generation, shared by the Studwiz community and reviewed by moderators.
Design of Fluid Machines for Clean Power GenerationOther
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Study material for Design of Fluid Machines for Clean Power Generation, shared by the Studwiz community and reviewed by moderators.
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Page 1
Design of an horizontal axis wind turbine 1 Contents 1 Introduction 3 2 Input data 3 2.1 Blade profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Design procedure 6 3.1 Glauert distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.2 Iterative procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.3 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 Design performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Off design regulation 13 4.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.2 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5 A brief investigation on wind turbine noise issues 16 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5.2 Sound fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5.3 Noise sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 5.3.1 Mechanical sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.3.2 Aerodynamic sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.4 BEM-NOISE code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.5 Noise reduction strategies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.5.1 Pitch angle and rotational speed . . . . . . . . . . . . . . . . . . . . . . . . 23 5.5.2 Shark tip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 5.6 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . .…
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