Blade Design Competition - PowerPoint PPT Presentation

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Blade Design Competition

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  1. Blade Design Competition

  2. Wind in Colorado

  3. Power from the wind • Power in the wind • Effect of air density,  • Effect of swept area, A • Effect of wind speed, V Power in the Wind = ½ρAV3 R

  4. Wind Speed (V) • Most important part of equation • Power is a cubic function of wind speed • V X V X V • 20% increase in wind speed means 73% more power • Doubling wind speed means 8 times more power • (power =½ρAV3)


  5. Effect of wind speed on production • Same turbine, two different wind regimes: • Yampa (8.3 mph) • 1,200 kWh/year • Sheep Mtn: (18.4 mph) • 6,500 kWh/year

  6. How Wind Energy Works

  7. Blade Design a Factor

  8. Voltage Amperage