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These are notes for my wind turbine independent study with Jeff Dusek.
 
##11/12/2020
 
### Tower design
 
[[File:Wooden-tower-2.JPG|border|thumb|potential design: 6x6s with cross beams]]
 
A tower design with four pressure-treated 4x4s or 6x6s that are connected via diagonal crossbeams on the outside and plateaus seem reasonable.
On this [website](https://www.rockridgewindmills.com/photo-video-gallery/new-windmill-projects/big-wood-tower/) you can find some inspiring images.
 
[[File:Tower-design-v1.JPG|300px]]
 
### Small Scale Wind Turbines Optimized for Low Wind Speeds
 
Letcher, T. (2010). [Small scale wind turbines optimized for Low Wind Speeds](https://drive.google.com/file/d/1ZQyqHlQZY_gyVylVg2PHsEZCPJwZ3cGe/view?usp=sharing).
 
### 10 Wind Turbines That Push the Limits of Design
 
https://www.popularmechanics.com/science/energy/a4428/4324331/
 
### Design and Manufacture of a Cross-Flow Helical Tidal Turbine
 
Anderson, J., Hughes, B., Johnson, C., Stelzenmuller, N., Sutanto, L., & Taylor, B. (2011). [Capstone Project Report: Design and Manufacture of a Cross-flow Helical Tidal Turbine](https://drive.google.com/file/d/110NNrJwMsjzH_Jbfal9jF5kHzRMOwEfB/view?usp=sharing). University of Washington, Washington.
##11/05/2020
 
### up next
 
- think about Gorlov blade design - [Onix 1 3D printer](https://markforged.com/3d-printers/onyx-one) - prints with carbon embedded - build volume 320 x 132 mm 154mm tall
- scale down based on reynolds number - relevant dimension: qart of the foil, dynamic viscosity [paper](https://asmedigitalcollection.asme.org/energyresources/article-abstract/137/5/051208/372961/Small-Scale-Wind-Turbine-Testing-in-Wind-Tunnels?redirectedFrom=fulltext)
- look into motor shaft sealing water - propellor shaft seals - drive shaft seal
- https://wes.copernicus.org/preprints/wes-2020-66/wes-2020-66.pdf
- final deliverable
- tower design
- email STI files to Tim or Daniela
### Newly structured wiki page for wind turbine system
- azimuth - rotation of rotor to generator
- yaw - rotation of nacelle about vertical tower
- pitch - angle/pitch of blades about their lengthwise axis
__Towers__

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