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Free research papers and essays on topics related to: wind energy
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- Wind Energy - 327 words
Wind Energy For many centuries wind has been used as a reliable source of energy. It is clean and inexhaustible. Wind is used to make the job of a human simpliar. It is used for grinding grain, pumping water, and to enable sail boats to move. Though often the amount of wind power varies depending on the climate of an area. Although wind power is only used in selected areas the recent interest in fuel conservation has sparked the development of windfarms. In the 1980s a studied showed that in order to produce one kilowatt- hour of energy cost 4 cents. The best known horizontal axis machine in the United States is the American farm windmill which is frequently used to pump water. This machine ...
Related: wind, wind energy, wind power, wind turbine, new hampshire
- Black Gold Texas Tea - 1,205 words
... w used to locate oil deposits on land and in deep offshore fields. Two major new sites that are being tapped for oil is the Gulf of Mexico and offshore of West Africa. In the Gulf of Mexico 5.9 million acres off of Alabama and the Florida panhandle will be sold for development by December 2000. Areas around this huge plot have been drilled, but the new developments mean that we need to expand our search and extraction of oil. The seas off the coast of Nigeria (Africas biggest oil producer) is another major site for new development. Triton Energy made a major discovery on the southern part of a 125-mile long strip of undeveloped oil fields. Technology of drilling in offshore wells has adv ...
Related: black gold, texas, department of energy, press international, colin
- Energy - 1,130 words
Energy Energy is the ability to do work. The two different types of energy are kinetic and potential. Kinetic energy is energy in motion and potential energy is energy that is stored. Energy is measured in units which are BTU (British thermal unit) and a joule. The Law of Conservation of Energy states that energy can't be created or destroyed, but it can be changed in form. Heat is a form of energy that comes in different forms such as conduction, convection, and radiation. Conduction is when energy is passed directly from one item to another. Metals are excellent conductors of energy. Plastics or other materials aren't. These are called insulators. Convection is the movement of gases or liq ...
Related: kinetic energy, thermal energy, wind energy, alternative fuel, power plants
- Hydroelectric Power - 456 words
Hydroelectric Power Kevin Shah Period 3 Hydroelectric Power One of the earliest ways to harness power is to use the powerful flow of water. On September 30th, 1882, in Appleton, Wisconsin, the first ever dam was built. Since then, over 2,044 billion-kilowatt hours have been produced each day, worldwide. This source of energy is being used more and more days, because it is so dependable. But, how does it actually work and produce electricity? First of all, dams are located in a position where water moves swiftly and quickly. This is very important. When the water enters the dam, it goes through a series of giant pipes. At this point, the water hit the paddles of the turbine, causing it to spi ...
Related: hydroelectric, nuclear power, solar power, wind power, wind energy
- Nuclear Energy - 1,925 words
Nuclear Energy From Theory to Practice The nuclear age began in Germany, in the 1930s in the lab of chemist Otto Hahn. Hahn was attempting to produce radium (In great need during the war) by bombarding uranium atoms with neutrons. To his surprise, he ended up with a much lighter element, barium. That was 1938, This started the race for the power of the atom. Just four years later Canada entered nuclear age in cooperation with the british. Wartime, 1942: The British wanted a safe place to conduct nuclear experiments; Since their country feared invasion by the nazi's or bombing attacks, Canada provided the haven the british needed in return for a opportunity to work in the project. The leader ...
Related: atomic energy, energy technology, kinetic energy, nuclear, nuclear energy, nuclear power, nuclear reactors
- Solar Energy And Its Social Consequences - 664 words
Solar Energy and Its Social Consequences To understand the social consequences of solar energy, one must be aware of what solar energy is. Solar energy is a radiant energy produced in the sun as a result of nuclear fusion reactions. It is transmitted to the earth through space in quanta of energy called photons, which interact with the earths atmosphere and surface. The strength of solar radiation at the outer edge of the earths atmosphere when the earth is at its average distance from the sun is called the solar constant. The intensity of energy actually available at the earths surface is less than the solar constant because of the absorption and scattering of radiant energy as photons inte ...
Related: alternative energy, alternative energy source, energy resources, energy source, solar, solar energy, solar radiation
- Wind Power - 1,040 words
Wind Power Energy is the ability to do work. It surrounds us in all aspect of life. However, the ability to harness it and use it, as economically as possible, is the challenge before mankind. Alternative energy refers to energy sources, which are not based on the burning of fossil fuels or the splitting of atoms. The renewed interest in this field of study comes from the undesirable effects of pollution both from burning fossil fuels and nuclear waste by products. Fortunately, there are many means of harnessing energy that have less damaging impacts on the environment. One example wind power. Wind energy is a clean and renewable source of electric power and is also the world's fastest growi ...
Related: electric power, power plants, wind, wind energy, wind power, wind turbine
- Wind Power - 2,254 words
Wind Power annon The wind turbine, also called a windmill, is a means of harnessing the kinetic energy of the wind and converting it into electrical energy. This is accomplished by turning blades called aerofoils, which drive a shaft, which drive a motor (turbine) and ar e connected to a generator. 'It is estimated that the total power capacity of winds surrounding the earth is 1 x 1011 Gigawatts' (Cheremisinoff 6). The total energy of the winds fluctuates from year to year. Windmill expert Richard Hills said that the wind really is a fickle source of power, with wind speeds to low or inconsistent for the windmill to be of practical use. However, that hasn't stopped windmill engineers from t ...
Related: wind, wind energy, wind power, wind turbine, alternative energy source
- Wind Power - 2,108 words
... d A is the area. The number of blades on a windmill varies. There are many different types of windmills. The following equation helps figure out how fast the a certain-bladed windmill will rotate in relation to windmills with different numbers of blades: Speed of windmill="1" / sq. root of number of blades The aerofoils of a four bladed machine rotate 71% as fast as that of a 2 bladed machine. A six bladed machine rotates at 58% and an 8 bladed machine rotates at 56% as fast as a 2 bladed machine. Electricity and Storage of Energy As mentioned previously, the generators in a wind turbine can convert the mechanical energy produced by the rotation of the shaft into electrical energy, DC. F ...
Related: wind, wind energy, wind power, wind turbine, university press
- Wind - 1,651 words
Wind Wind can tell us many things about weather conditions. A person knowledgeable about local weather can take the temperature and dew point, wind data and altimeter setting and make a pretty good estimate of what the present weather is. He can throw away all but the wind and still give you an approximate weather outlook. There is a simple key to understanding wind: Variations in pressure from place to place create wind, because air tends to flow from high pressure to low, as water flows from high ground to low. This phenomenon has led to the creation of a model to explain worldwide air circulation. Because cooler air is denser than warmer air, its pressure is higher. As air at the equator ...
Related: wind, wind energy, weather channel, northern hemisphere, sunset
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