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Transcript

  • 1.  
  • 2. The Utilization of Solar Energy Carley Kratz Elan Levin Matthew Finkel Section 4
  • 3. Introduction
    • The Problems we face
      • Increasing World Population
      • Increasing Demand for Energy
      • Increasing cost of energy
      • Decreasing available resources
    www.asiaphotos.net wikimedia
  • 4. 1989 VS. 1999 Per Capita Energy Demand
  • 5. Traditional Solutions
    • Coal
    • Other Fossil Fuels
    • Nuclear Energy
    www.greenpeace.org Department of Energy Public Domain/US Government
  • 6. Hypothesis
    • Passive Solar Energy
    • Active Solar Energy
    • Advantages
      • Reduction of greenhouse gas emissions
      • Future Costs
    Brian Nadworny www.news-medical.net Public Domain/US Department of Energy
  • 7. Active Solar Technologies
    • Hot Water Systems
      • Components
        • Tank
        • Plumbing
        • Solar Panel
    • Photovoltaic cells
      • Silicon Semiconductors
      • Flow of Electrons
      • Current Production
    www.howthingswork.com www.linuo.co.nz/solar.html
  • 8. Passive Solar Technologies
    • Building Design
      • Window Placement
      • Roof Position
      • Convective Loop
      • Wall Construction
      • Fan Placement
      • Building Orientation
    Source All: North Carolina Solar Center
  • 9. Energy Payback
    • What is it?
    • Average payback of 2 years
    • Equations
    • What it means for the future
    United States Department of Energy United States Department of Energy solar.calvin.edu
  • 10. Disadvantages of Solar Technology
    • Current Cost
      • Production
      • Installation
    • Location Dependency
    • Weather Dependency
    • Battery Necessity
    • Longevity
    www.estif.org www.peopleandplanet.net
  • 11. Take Home Message
    • The problems of population and energy demand are not going away
    • Solar capabilities are now available for use
    • As solar technologies become more prevalent costs will decrease, and use will further increase
    • Passive solar and active solar heating technologies are already cost effective; photovoltaics will soon follow
    www.louisehauck.com
  • 12. Bibliography
    • ABCs of Solar Energy .  Impression 5 Science Center.  Accessed 5 March 2006. < http://www.impression5.org/solarenergy/abcs.html >.
    •  
    • Aldous, Scott. “How Solar Cells Work”. < http://science.howstuffworks.com/solar-cell.htm > (October 31, 2005)
    •  
    • Behr, H.D.  “Solar Radiation on Tilted South Orientated Surfaces:  Validation of Transfer Models.”  Solar Energy Vol. 61, No. 6 (1997):  399-413.
    •  
    • Chow, T.T., W. He, and J. Ji.  “Hybrid photovoltaic-thermosyphon water heating system for residential application.”  Solar Energy 80 (2006):  298-306.
    •  
    • Furbo, Simon, et al. “Smart solar tanks for small solar domestic hot water systems.”  Solar Energy 78 (2005):  269-279.
    •  
    • Gustavsson, M. and D. Mtonga.  “Lead-acid battery capacity in solar home systems-Field tests and experiences in Lundazi, Zambia.”  Solar Energy 79 (2005):  551-558.
    •  
    • Markvart, T., A. Fragaki, and J.N. Ross.  “PV system sizing using observed time series of solar radiation.”  Solar Energy 80 (2006):   46-50.
    • Putting Renewable Energy to Work in Buildings .  Union of Concerned Scientists. Accessed 5 March 2006.  <  http://www.ucsusa.org/clean_energy/energy_efficiency/putting-renewable-energy-to-work-in-buildings.html >.
    •  
    •   The Science of Photovoltaics .  BP Solar.  Accessed 2 March 2006< http:// www.bp.com/genericarticle.do?categoryId =3050475&contentId=3050829#3052010 >.
    •  
    • U.S. Deptartment of Energy PV FAQs .  BP Solar.  Accessed 2 March 2006  < http://www.bp.com/liveassets/bp_internet/solar/bp_solar_north_america/STAGING/local_assets/downloads_pdfs/pq/pv_faq_energy_payback_2004_en.pdf >.
    •  
    • Walker, Cameron.  The Future of Alternative Energy .  National Geographic News .  October 28, 2004.  February 18, 2006.  http://news.nationalgeographic.com/news/2004/10/1028_041028_alternative_energy.html

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