Wind Technology
Since early history, people have been harnessing the energy of the wind. Wind energy propels boats along rivers, simple windmills, and pumping water as early as 5000 B.C. New ways of using the energy of the wind eventually spread around the world. By the 11th century, people in the Middle East were using windmills extensively. Settlers took this new technology to the New World in the 19th century. They began using windmills to pump water for farms and ranches, and later, to generate electricity for homes and industries. In the 1940s large wind turbines began to operate small industries. Wind turbines fall into two basic categories, the horizontal-axis variety, and the vertical-axis design. Modern wind turbines take advantage of many of today's high-tech technology uses such as aerodynamics, engineering, and electronics. Wind turbines that are grouped together are called "wind farms", and generate a lot of bulk electrical power. Wind farms are in a variety of sizes and power ratings, depending on the location of where the farm is located. Some of the wind turbine propellers can span more than the length of a football field, and can stand up to twenty stories high, which creates enough electri
I think that the use of wind turbine technology could become a very vital form of producing electricity. I feel that the advantages of wind power by far out weigh the disadvantages. Wind turbine technology has had drastic improvement over the last ten years, and is almost able to compete with our fossil fuel electrical prices. With the wind being to main resource, we will never have the concerns of it running out, which compared to the resources now, it a great advantage. The use of the wind turbines is also environmentally safe for our atmosphere. city to power 1,400 homes. Some of the smaller turbines are 8-25 feet in diameter, and stand up to approximately thirty feet tall, which supplies the electrical needs of a small business or an all electric home. Wind energy is abundant throughout the United States. Characterized by wind-power density classes, ranging from the lowest class-1, to the highest class-7 are wind resources. Along the East Coast, the Appalachian Mountain chain, the Great Plains, the Pacific Northwest, the average annual wind speed is 13 miles per hour, considered to be a good wind resource, (which has a power density of 3 and above). "Researchers estimate that there is enough wind potential in the United States to displace at least 45 quads of primary energy annually used to generate electricity, based on "class 4" winds" (Nix, Gerald R., 1995). Constructing electric-generating wind turbines, regardless of the shape or size, consists of the rotor, the electrical generator, a speed control system, and a tower. Some wind turbines have the options of fail-safe shutdown s
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Approximate Word count = 1088
Approximate Pages = 4 (250 words per page double spaced)
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