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Hydro Power

Hydro Power. Catherine Walker American Public University. Used with permission from: Professor Stephen Lawrence Leeds School of Business University of Colorado Boulder, CO. Hydrologic Cycle. http://www.srh.noaa.gov/jetstream/atmos/hydro.htm. History of Hydro Power.

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Hydro Power

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  1. Hydro Power Catherine WalkerAmerican Public University Used with permission from: Professor Stephen Lawrence Leeds School of Business University of Colorado Boulder, CO

  2. Hydrologic Cycle http://www.srh.noaa.gov/jetstream/atmos/hydro.htm

  3. History of Hydro Power

  4. Early Irrigation Waterwheel Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  5. Early Roman Water Mill Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  6. Early Norse Water Mill Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  7. Fourneyron’s Turbine Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  8. Hydro Power to Electric Power ElectricalEnergy PotentialEnergy Electricity KineticEnergy Mechanical Energy http://www.alternative-energy-news.info/images/technical/hydro-power.jpg

  9. How it works http://www.youtube.com/watch?v=glAiIDoTREE&feature=related

  10. Uses of Hydro Power

  11. U.S. Energy Consumption – US

  12. World hydro production Source: http://grist.org/climate-energy/hydropower-continues-steady-growth/

  13. Three Gorges Dam (China)

  14. Itaipú Dam (Brazil & Paraguay) “Itaipu,” Wikipedia.org

  15. Guri Dam (Venezuela) http://www.infodestinations.com/venezuela/espanol/puerto_ordaz/index.shtml

  16. Grand Coulee Dam (US) www.swehs.co.uk/ docs/coulee.html

  17. Percent Hydropower by US State http://www.need.org/needpdf/infobook_activities/SecInfo/HydroS.pdf

  18. Hydropower Design

  19. Terminology • Head • Water must fall from a higher elevation to a lower one to release its stored energy. • The difference between these elevations is called head • Dams: three categories • high-head (800 or more feet) • medium-head (100 to 800 feet) • low-head (less than 100 feet) • Power is proportional to the product of head x flow http://www.wapa.gov/crsp/info/harhydro.htm

  20. Types of Hydroelectric Installation Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  21. Conventional Impoundment Dam http://www1.eere.energy.gov/windandhydro/hydro_plant_types.html

  22. ExampleHoover Dam (US) http://las-vegas.travelnice.com/dbi/hooverdam-225x300.jpg

  23. Diversion (Run-of-River) Hydropower

  24. ExampleDiversion Hydropower (Tazimina, Alaska) http://www1.eere.energy.gov/windandhydro/hydro_plant_types.html

  25. Pumped Storage Schematic

  26. ExampleCourtright Reservoir (California)

  27. Turbine Design

  28. Types of Hydropower Turbines Boyle, Renewable Energy, 2nd edition, Oxford University Press, 2003

  29. Francis Turbine – Grand Coulee Dam "Water Turbine," Wikipedia.com

  30. Fixed-Pitch Propeller Turbine "Water Turbine," Wikipedia.com

  31. Kaplan Turbine Cross Section "Water Turbine," Wikipedia.com

  32. Housing for Pelton Wheel – Seven Oaks Dam East End Hydro Operations

  33. How a Pelton Turbine Works

  34. Pros and Cons

  35. Pros and Cons Pros • Little to no emissions • Very responsive • Very efficient • Requires little maintenance • Create reservoir lakes Cons • Construction costs • Disruption of ecosystems • Sedimentation • Few feasible sites • Failure • Drought can affect power production

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