* The sun has produced energy for billions of years. Solar energy is the sun’s rays (solar radiation) that reach the Earth. This energy can be converted into other forms of energy‚ such as heat and electricity. * In the 1830s‚ the British astronomer John Herschel famously used a solar thermal collector box (a device that absorbs sunlight to collect heat) to cook food during an expedition to Africa. Today‚ people use the sun’s energy for lots of things. solar energy can be used to: * Heat
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Bill Kozel Ms. Livingston English Comp 2 18 September 2012 Alternative Fuels in America On a national average the world uses 87.8 million barrels of crude oil on a daily basis. In 2000 it was estimated that the US alone consumed nearly 20 million barrels of oil a day‚ which is about 5% more than similar nations (Friedman 195). Oil consumption is only going to increase until it peaks‚ then it will steadily decrease as oil supply goes down. It is predicted that oil consumption will peak by the year
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Executive Summary Talisman Energy Inc. (Talisman) is an independent Canadian oil and gas producer. Talisman is a company that has been through a great deal of criticism due to their negative experience in Sudan in previous years. They were accused of numerous things such as fueling the civil war‚ believing the Sudanese Government was using oil revenues to purchase weaponry‚ and of being complicit in human rights abuses because of fees and royalties paid to the government for the rights to explore
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University of Strathclyde Mechanical Engineering Department Socio-Economic Impacts of Biomass Deployment for the Production of Heat and Electricity Thesis submitted for the MSc degree Energy Systems and the Environment Helen Stavroulia 2003 The copyright of this thesis belongs to the author under the terms of the United Kingdom copyright acts as qualified by the University of Strathclyde Regulation 3.49. Due acknowledgement must always be made of the use of any material contained in
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Hydraulics Prof. B.S. Thandaveswara 9.3 Application of Specific Force and Specific Energy 1. Determine the energy Loss in a NHJ Solution: Applying Momentum equation γQ ( V2 − V1 ) = P1 − P2 g γ Q 2 ( y1 − y 2 ) gb 2 y1y 2 2 2 2 = y1 − y 2 ( ) Q2 2gb Q2 b 2 = ( y1 + y2 ) y1y2 4 = q2 q 2 ( y1 + y 2 ) y1y 2 = (1) 2g 4 Specific energy equation y1 + V12 V2 = y 2 + 2 + ∆E 2g 2g Q2 2 2gy1 b 2 ∆E = y1 + − y2 − Q2 2 2gy 2 b 2 1 ⎤ q2 ⎡ 1 ∆E = ( y1 − y
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The European Union Energy Policy: An Initiative in Progress Anna Rulska April 2006 I. Introduction In January 2006‚ Russia cut off supply of gas to Ukraine. The European Union (EU)‚ dependent on gas from Russia‚ delivered through Ukraine‚ realized the full extent of its vulnerability in the realm of energy security and a need‚ more pressing now than ever‚ for a common energy policy. Shortages of energy carry implications not only for domestic producers and consumers‚ but also for
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Energy Summary SCI/362 2013 Energy Summary Introduction In this paper we explain some current environmental problems and how some people are looking for quick and temporary solutions without taking into consideration the environment. These solutions might be beneficial for the human existence in the present time or for a short period of time but the imminent destruction of the environment will be permanent due to the damage caused by the last generations‚ which are now seeing the consequences
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Energy conservation refers to reducing energy consumption through using less of an energy service. Energy conservation differs from efficient energy use‚ which refers to using less energy for a constant service.[1] For example‚ driving less is an example of energy conservation. Driving the same amount with a higher mileage vehicle is an example of energy efficiency. Energy conservation and efficiency are both energy reduction techniques. Even though energy conservation reduces energy services
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In 2010‚ BP encountered two predicaments. The first was stopping a major oil spill in the Gulf of Mexico after an oilrig exploded. The second was persuading people that they were doing just so. The company damaged its environmentally friendly image when the Deepwater Horizon oilrig exploded in the Gulf of Mexico on April 20‚ 2010‚ eventually creating the largest marine oil spill in history. Eleven workers were killed‚ an estimated 6‚000 barrels of oil leaked per day‚ and years of irreversible damage
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find new energy sources. Because present energy sources are running down. So‚ alternative energy is so popular in these days. Because it has no danger to human life like nuclear powerplants‚ it is free to use and it has no waste. There are three types of alternative energy sources: Solar‚ wind and water. This report will be about solar energy. Its purpose is giving some information about solar energy to mechanical engineering students and engineers and calling attention on solar energy. The
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