hw03 - ENGRI 1290 HW03 Due Problem 1 A company decides to...

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ENGRI 1290 HW03 Due 09/27/2010
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Problem # 1 A company decides to design a solar heating power plant using line- concentrators which focus the sun light onto tubes. Oil flows through the tubes to carry the heat away. The ratio of areas between the sun light beam intercepted and the tube is 50. Each collecting mirror can be represented as one quarter of a cylinder with circular cross-section and capturing all the sun light. The radius of the cylinder is given below. 1. Compute the sun power density per unit length of mirror. 2. Compute the sun power density per unit length of tube. 3. How long should the system be to produce 300 MW of power if we suppose a system efficiency of 40%? The yearly average sun power density is 190 W/m 2 .
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Problem # 1 (continued) The cylindrical mirror radius is 2 m.
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Problem # 2 A house owner wants to know if it is advantageous to install solar panels on his house and get fully disconnected from the electric power company. The owner knows that US government pay for 25
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This note was uploaded on 09/14/2011 for the course ENGRI 1290 taught by Professor Gourdain during the Fall '10 term at Cornell.

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hw03 - ENGRI 1290 HW03 Due Problem 1 A company decides to...

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