Power Plant Construction and QA/QC Section 1.8– Wind Energy

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Power Plant Construction and QA/QC Section 1.8– Wind Energy Engineering Technology Division Power Plant Construction and QA/QC Section 1.8– Wind Energy

Development Limitations Environmental Aspects Section 1.8– Wind Energy Overview Definition Generation History Benefits Resources Effect on Height Development Limitations Environmental Aspects

Section 1.8– Wind Energy Definition Wind is the flow of gases or air on a large scale. In meteorology, winds are often referred to according to their strength, and the direction from which the wind is blowing. The two main causes of large-scale atmospheric circulation are the differential heating between the equator and the poles, and the rotation of the planet.

Differential Heating / Cooling Section 1.8– Wind Energy Generation High to Low Pressure Differential Heating / Cooling “Coriolis Effect”

Section 1.8– Wind Energy History

Does not contribute to global warming Section 1.8– Wind Energy Benefits Wind energy Releases no pollution Does not contribute to global warming Wind power is a free and inexhaustible ("renewable") Diversifies the national energy portfolio Reduces reliance on imported fuels wind turbines do not consume water. Drawback Inconsistent (supplemental only)

Section 1.8– Wind Energy Benefits - Emissions

Section 1.8– Wind Energy Resources

Turbulent versus Laminar Flow Section 1.8– Wind Energy Effect on Height Turbulent versus Laminar Flow

Section 1.8– Wind Energy Development - Types

Development - Limitations Section 1.8– Wind Energy Development - Limitations Winds unreliability factor. Wind turbines generally produce allot less electricity. Wind turbine construction can be very expensive. Costly to surrounding wildlife. The noise pollution is sometimes similar to a small jet engine. Protests and/or petitions usually confront any proposed wind farm development.

Wind Farm Land Usage – Large tracts required Section 1.8– Wind Energy Environmental Aspects Wind Farm Land Usage – Large tracts required Construction – underground habitats Birds and Bats – noise and blade movement Noise Pollution – wind speed and distance Visual Impact – man-made versus natural

Section 1.8– Wind Energy Questions?