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Investigating the Effect of Large Wind Farms on Energy in the Atmosphere

Author:
Maria, Magdalena R. V. Sta  Jacobson, Mark Z.  


Journal:
ENERGIES


Issue Date:
2009


Abstract(summary):

This study presents a parameterization of the interaction between wind turbines and the atmosphere and estimates the global and regional atmospheric energy losses due to such interactions. The parameterization is based on the Blade Element Momentum theory, which calculates forces on turbine blades. Should wind supply the world's energy needs, this parameterization estimates energy loss in the lowest 1 km of the atmosphere to be similar to 0.007%. This is an order of magnitude smaller than atmospheric energy loss from aerosol pollution and urbanization, and orders of magnitude less than the energy added to the atmosphere from doubling CO(2). Also, the net heat added to the environment due to wind dissipation is much less than that added by thermal plants that the turbines displace.


Page:
816---838


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