Julie K. Lundquist: Harnessing the Power of the Wind
2010 HMC Mathematics Conference on the Mathematics of Environmental Sustainability and Green Technology
Julie Lundquist (University of Colorado at Boulder)
Wind energy offers the promise of a robust and inexhaustible domestic energy source. Not only do wind turbines provide power with minimal greenhouse gas emissions, but virtually no fresh water is required for power production. Wind energy capacity in the U.S. now produces enough electricity to power the equivalent of approximately 7 million households (American Wind Energy Association, 2009). Despite impressive recent growth, wind energy still constitutes less than 2% of US electricity sources. Several attainable technical challenges must be surmounted if electricity generated by wind is to provide a significant source of domestic power.
This presentation will highlight the mathematical aspects of some of these challenges. The integration of large fractions of fluctuating quantities of renewable energy into power grids required accurate prediction of power availability. These predictions in turn depend on accurate forecasts of wind and atmospheric conditions, nuanced understanding of the impacts of complex terrain on flow and turbulence in the lower atmosphere, and even delineation of the impacts of turbines on each other through turbulent wake effects. As society considers large-scale implementation of wind energy, an assessment of the local environmental impacts of turbines will also be required.
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