CHAPTER 15 - CHAPTER 15 RENEWABLE ENERGY I. Principles of...

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Unformatted text preview: CHAPTER 15 RENEWABLE ENERGY I. Principles of Solar Energy A. Where Does it Originate? B. How Much Solar Energy Reaches the Earth? II. Direct Solar A. Water Heating 1. Passive Solar a. Benefits · Economic · Environmental b. Costs · Economic · Environmental c. What is passive solar's future? 2. Active Solar a. Benefits · Economic · Environmental b. Costs · Economic · Environmental c. What is active solar's future? B. Space Heating 1. Passive Solar a. Benefits b. Costs c. What is passive solar's future? 2. Active Solar a. Benefits b. Costs c. What is active solar's future? Fig. 15.4 A mix of sources of renewable energy provided 7.6% of the nation's energy use in 1997. Fig. 15.5 Equal amounts of energy are found in the visible-light and infrared regions of the solar spectrum. Fig. 15.6 Flat-plate solar collector. As it is absorbed by a black surface, sunlight is converted to heat. A clear glass or plastic window over the surface allows the sunlight to enter but traps the heat. Air or water is heated as it passes through tubes embedded in the black surface.is heated as it passes through tubes embedded in the black surface....
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This note was uploaded on 10/17/2011 for the course ENVIRONMEN 201 taught by Professor Staff during the Spring '10 term at North South University.

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CHAPTER 15 - CHAPTER 15 RENEWABLE ENERGY I. Principles of...

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