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Mechanical EngineeringME217 Energy, Environment & Society
ME 217: Energy, Environment & Society Fall 2013
Wind power
photo by Michael "Mike" L. Baird bairdphotos.com
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Wind power 2/29Mechanical EngineeringME217 Energy, Environment & Society
Modern wind turbines
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Wind power 3/29Mechanical EngineeringME217 Energy, Environment & Society
Inside a nacelle
generator
windspeed meters
gearbox
brake
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Wind power 4/29Mechanical EngineeringME217 Energy, Environment & Society
At the base
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Wind power 5/29Mechanical EngineeringME217 Energy, Environment & Society
Inside the tower
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Wind power 6/29Mechanical EngineeringME217 Energy, Environment & Society
Basic aerodynamics
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Wind power 7/29Mechanical EngineeringME217 Energy, Environment & Society
Turbine efficiency – the Betz limit
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Wind power 8/29Mechanical EngineeringME217 Energy, Environment & Society
Turbine performance
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Wind power 9/29Mechanical EngineeringME217 Energy, Environment & Society
Global atmospheric circulation
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Wind power 10/29Mechanical EngineeringME217 Energy, Environment & Society
Local wind patterns
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Wind power 11/29Mechanical EngineeringME217 Energy, Environment & Society
Wind speed vs. height
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Wind power 12/29Mechanical EngineeringME217 Energy, Environment & Society
Tornado!
http://www.youtube.com/watch?v=0KdVCxY9o4s&feature=youtu.be&t=2m21sOn November 7, 2011, the Basehunters chase team of Isaac Pato, Kevin Rolfs, Scott Peake and Colt Forney tracked a tornado-producing supercell across southwest Oklahoma, documenting numerous tornadoes including one that impacted a large wind farm near Fort Cobb!
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Wind power 13/29Mechanical EngineeringME217 Energy, Environment & Society
This time not so lucky!
Damage done by tornado at Flat Ridge 2 wind farm in Kansas.
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Wind power 14/29Mechanical EngineeringME217 Energy, Environment & Society
Time variability of wind speed
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Wind power 15/29Mechanical EngineeringME217 Energy, Environment & Society
Wind resource assessment
sodar
direct measurement
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Wind power 16/29Mechanical EngineeringME217 Energy, Environment & Society
Weibull distributions
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Wind power 17/29Mechanical EngineeringME217 Energy, Environment & Society
Turbine power curve
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Wind power 18/29Mechanical EngineeringME217 Energy, Environment & Society
What goes into the cost of energy
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Wind power 19/29Mechanical EngineeringME217 Energy, Environment & Society
Wind farm – following terrain
New Mexico Wind Energy Center (204MW)
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Wind power 20/29Mechanical EngineeringME217 Energy, Environment & Society
Wind farm – flat land
Wind farm in West Texas
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Wind power 21/29Mechanical EngineeringME217 Energy, Environment & Society
Typical arrangement
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Wind power 22/29Mechanical EngineeringME217 Energy, Environment & Society
Turbine wake demonstration
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Wind power 23/29Mechanical EngineeringME217 Energy, Environment & Society
Effect of wake
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Wind power 24/29Mechanical EngineeringME217 Energy, Environment & Society
Q: where is electricity needed most?
A: at the major population centers near the coasts
Is wind available near there?
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Wind power 25/29Mechanical EngineeringME217 Energy, Environment & Society
Offshore technology
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Wind power 26/29Mechanical EngineeringME217 Energy, Environment & Society
Transitional depth concepts
www.nrel.gov/docs/gen/40462.pdf
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Wind power 27/29Mechanical EngineeringME217 Energy, Environment & Society
Deepwater concepts
www.nrel.gov/docs/gen/40462.pdf
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Wind power 28/29Mechanical EngineeringME217 Energy, Environment & Society
Small wind
What is the wind resource like in Albuquerque?
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Wind power 29/29Mechanical EngineeringME217 Energy, Environment & Society
Generation – load match (or not)