Solar Energy

Paper Summary:

In order to better understand the issue of solar energy, this paper presents a definition of the terms and concepts relating to solar energy. The paper examines the technologies that are currently used to put solar energy to work. A short historical background on the development of solar technology in the past sixty years is presented. The paper explores the reasons why it is important to develop solar energy and discusses its future costs and benefits.

From the Paper:

"Solar energy is radiation from the Sun that can produce heat, generate electricity, or cause chemical reactions. Solar energy is inexhaustible and nonpolluting, but it is not an efficient energy source, since the Earth's atmosphere absorbs or scatters over 50% of incoming solar radiation. Solar collectors collect the radiation and transfer it as heat to a carrier fluid. It can then be used for heating. Solar cells convert solar radiation directly into electricity, by means of the photoelectric effect.
Very often, there is confusion about the various methods used to harness the sun's abundant and clean energy. Energy from the sun can be categorized in two ways: in the form of heat (or thermal energy), and in the form of light energy. Solar thermal technologies use the sun's heat energy to heat substances (such as water or air) for applications such as space heating, pool heating and water heating for homes and businesses. There is a variety of products on the market that utilize thermal energy. Often the products used for this application are called solar thermal collectors and can be mounted on the roof of a building or in some other sunny location. The sun's heat can also be used to produce electricity on a large utility-scale by converting the sun's heat energy into mechanical energy. "

More papers on Solar Energy:

• Term Paper # 145165 : "Solar Energy: A Comprehensive Alternative Energy Approach"
• Term Paper # 138321 : "Solar Energy"
• Analytical Essay # 126058 : "Solar Energy and Effects"
• Research Paper # 116879 : "Solar Energy and Associated Problems"

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