Tennessee Valley Authority (TVA) Projects Using PHOENICS - Cham

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Example 3:Surface Water Pumps at Tims Ford ReservoirObjective: Evaluate surface water pumps performance under severalconfiguration layouts, pump sizes, and initial propeller velocities.Goal: Determine an optimum design that maximizes the improvement of watertemperature and dissolved oxygen (DO) content in hydropower plant releaseswithout disturbing reservoir bottom sediment.Tools: A 3-dimensional Computational Fluid Dynamics (CFD) model, <strong>PHOENICS</strong>.Alternatives: Several modeling analysis for different locations, operating speed,with three and six pump layouts.
surface-water pumps are being Used at Douglasand Cherokee ReservoirsImpeller forces higher DO andwarmer water at the surface downto the turbine intake
Page 1 and 2: Tennessee Valley Authority (TVA) Pr
Page 3 and 4: Barge Collecting Debris at COF, 200
Page 5 and 6: COF Skimmer Wall Objectives• Redu
Page 7 and 8: New skimmer wall brings cool water
Page 9 and 10: Intake Channel Numerical Representa
Page 11 and 12: 0.2 0 0.2 0.4 MilesTennessee RiverN
Page 13 and 14: Computed Flow Field at COF Intake C
Page 15 and 16: Example 2:Multi-Port Diffuser Kings
Page 17 and 18: (m/s)Velocity Vector taken at Sever
Page 19 and 20: Diffusers Angled at 45 degree, Inst
Page 21 and 22: Construction Started in October 200
Page 23: Example 3:Surface Water Pumps at Ti
Page 28 and 29: Velocity Vectors (Base Case)Withdra
Page 30 and 31: Velocity Vectors with Three Pumps
Page 32: RecommendationThe option recommende

Tennessee Valley Authority (TVA) Projects Using PHOENICS - Cham

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