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GE DESIGN PROJECT

This project addresses the need for reliable cell phone service in Wirruca, Nicaragua, a town with an unreliable electrical grid. The design involves utilizing GE's battery technology to create a sustainable cell service tower powered by solar energy. By integrating Peltier technology for temperature regulation and cellulose insulation for efficiency, this solution is aimed at providing affordable connectivity for residents, primarily coffee growers with limited incomes. The project also explores potential revenue from energy sales to homes.

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GE DESIGN PROJECT

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  1. GROUP 2: Carolyn Schechter, Elliot Sterk, Eric Liab, TianyuPu GE DESIGN PROJECT

  2. Table to Contents • Recognition of the Need • The Problem • Objective • Gathering Information • Brainstorming • Design and Analysis

  3. Recognition of the Need • Cell phone service in places where there is no or unreliable electrical grid

  4. Problem • Limited cell service • Residents do not have access to cell service in Wirruca • Unreliable electrical grid to power tower

  5. Objective • Find Use for GE’s battery in this station • Create cell service • If cost effective, create dump energy to be sold

  6. Information About Town • Wirruca, Nicaragua • 48 Families • Disposable income: 10$/month • Mostly coffee growers • Population ~307 • Based on 48 families and an avg. of 4.4 children per family

  7. Brainstorming • Not enough wind for turbine • High Sunlight • Want dump energy to provide extra revenue • Cell phone charging station? • Selling electricity to homes? • Increase efficiency

  8. Our Design • Temperature Regulation • Peltier Cooler/Heater • A/C • Cellulose Insulation • GE Sodium Halide Battery (type A2) • Diesil Generator • 63 x GE 200 W PV panels • Small (about 62”x35”) • Costs less than using larger panels

  9. PeltierCooler Heater • Way to heat the battery • Can help cool the room: reduces need for air conditioner.

  10. Cellulose Insulation • Prevents heat transfer via conduction, convection, infiltration, and radiation. • This is measured by the R-Value, a numerical representation of the resistance to heat flow. • Cellulose insulation is treated with chemicals to make it highly fire retardant. • Lowers the sound transmission coefficient.

  11. Cellulose Insulation: Expected Cost Floor (10’x20’) $14/inch Desired R-Value=13 3.51” of insulation needed $49.19 Walls (8’x60’) $33.6/inch Desired R-Value=13 3.51” of insulation needed $118.05 Ceiling (10’x20’) $14/inch Desired R-Value=30 8.11” of insulation needed $113.51 Total = $280.75

  12. Energy Balance

  13. Cost Analysis

  14. Sketch of Station • (picture slide)

  15. Any questions?

  16. Sources • http://www.britannica.com/EBchecked/topic/449424/Peltier-effect • http://customthermoelectric.com/tecs_imax.html?gclid=CNqOgv7a1qUCFYHb4AodzS2lkg • http://www.qualitymatters.com/ProductDetails.asp?ProductCode=QMWA-1230E&Show=TechSpecs

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