eme1wk7 - created goes into electric power and the rest...

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Kenny Yu EME 1 11/17/08 Renewable Power Sources: Wind Today, Professor Case Van Dam came to our class and discussed about renewable power sources. Professor Van Dam works at the department of mechanical and aeronautical engineering. First, he gives us a general overview of energy and energy industries. Approximately 5% of the world’s population uses nearly 22% of the world’s energy. The world’s total energy in a year estimates around 448 quadrillion BTU. United States estimates around using 101.6 quadrillion BTU per year. There are five main energy sources: petroleum, natural gases, coal, renewable energy, and nuclear electric energy. Most of United States energy sources today come from petroleum energy. Renewable energy is used the least in the United States. Almost half of our energy
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Unformatted text preview: created goes into electric power and the rest goes to transportation, industrial, residential, and commercial areas. Most oil energy is used for transportation and most coal energy is used for electricity. Around 55% of the energy is lost through the process of making it. Wind energy is a very effective energy source. It is renewable and it guarantees fuel availability. Wind energy is clean and pollution-free. It does not release any harmful emissions or waste. It is easily installed and deployed. It is also secured and cost efficient. Some key factors of windmills are the appropriate sites, the technology difficulty, and the low number of participants. The challenges of wind energy are the environmental impact of birds and bats and the expensive cost of the production....
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