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Scott Craig Cody Maher Jesse Ross Brian Vanstratum

Scott Craig Cody Maher Jesse Ross Brian Vanstratum. Updated Schedule. Spillway Historical Operation. Spillway Historical Operation. Regional Contribution to Flint River . Minor Mill Pond Contribution. Minor Mill Discharge Over 66 Years. Flow on Day of Visit.

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Scott Craig Cody Maher Jesse Ross Brian Vanstratum

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  1. Scott Craig Cody Maher Jesse Ross Brian Vanstratum

  2. Updated Schedule

  3. Spillway Historical Operation

  4. Spillway Historical Operation

  5. Regional Contribution to Flint River

  6. Minor Mill Pond Contribution

  7. Minor Mill Discharge Over 66 Years

  8. Flow on Day of Visit When flow is turbulent, vs = vmean Mean velocity is typically 85% of surface velocity for turbulent flow[4]

  9. Power On Day of Visit Typical Energy Use of Small Household = 1000 kW•hr

  10. Expected Power Typical Energy Use of Small Household = 1000 kW•hr

  11. Turbine Type Selection Head Flow Kaplan Crossflow Our Situation

  12. Kaplan Turbine • Reaction turbine (low head, high flow) • Propeller type turbine with variable angle fins • Operates with as little as two feet of head • Optimized for installation site (expensive) • Greater than 90% efficiency (less in low head applications)

  13. Kaplan Turbine Configuration

  14. Crossflow Turbine • Hybrid reaction/impulse turbine • Performs well over wide range of heads • 70-80% efficiency • Significantly lower cost than Kaplan (~10%)

  15. Turbine Type Selection Head Flow Kaplan Crossflow Our Situation

  16. Resources • 1. USGS Georgia Water Information Network (GWIN), National Water Resources • 2. Layman’s Guidebook on How to Develop a Small Hydro Site, European Small Hydro Association (ESHA) • 3. Dr. Wenrui Huang, P.E. Associate Professor Ph.D. Hydraulics • 4. Smout, Ian. Discharge Measurements and Estimates, Loughborough University Leicestershire, UK • 5. http://en.wikipedia.org/wiki/Image:Kraftwerk_Wallsee- Mitterkirchen_Querschnitt_Krafthaus.jpg • 6. http://en.wikipedia.org/wiki/Crossflow_turbine

  17. Questions ?

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