power2 - Water Turbines Water Primarily in France Types...

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Unformatted text preview: Water Turbines Water Primarily in France Types Scoop Wheel Tub Wheel Tub Reaction Wheel Turbines Axial Reaction Scoop Wheel Scoop Small Installations on Creeks Horizontal Wheel - Vertical Axis Millstone High Speed Spoon (scoop) Wheel Tub Wheels Tub Large Installations on Rivers and Dams Required Small Fall & Large Volume Wood Wheel with Helicoidal Paddles Flume Generally Narrowed Totally immersed in Water Efficiency - 25 % Tub Wheel Tub Reaction Wheel Reaction Barker (1740s) Euler (1754) Top Drum Stationary - Reservoir Ensures Even Distribution of Incoming Conical Drum with Tubes Rotates Ensures Even Discharge Mannoury d’Ectot Water Input From Bottom Never Built (1807) Barker’s Water Engine Barker’s (Early 18th Century) Euler’s Wheel (1754) Euler’s Mannoury d’Ectot’s Wheel -Hydraulic Lever (1807) -Hydraulic Burdin (1820s) Burdin Water Wheel Based on Euler’s Work Stationary Reservoir Inclined Nozzles - Alternating Efficiency - 67% Water Turbine Stationary Reservoir & Revolving Casing Guide Vanes on Reservoir & Rotor Functions while Submerged No Loss of Head Burdin’s Wheel (Before 1827) Burdin’s Burdin’s Turbine - Revolving Ring (1827) Ring Fourneyron Fourneyron Studied Under Burdin Societe d’Encouragement Award Industrial Applications Crank Controlled Sluice Variable Flow Efficiency - 70% Fourneyron’s Turbine (1832) Fourneyron’s Fourneyron’s Turbine Used in Industry Industry Fontaine-Baron Fontaine-Baron Stationary Reservoir Lower Rotor Complicated Sluice Device Varied Height of Vanes Later Later Brass Vanes Deflected Depending on Water Force Depending Fontaine-Baron’s Axial Turbine (1840) Turbine Blades in Fontaine -Baron Turbine Blades Jonval- Koechlin Jonval Opposite of Fourneyron and Fontaine Rotor Above Stationary Flowrate Through Turbine Constant Turbine in Necked Down Conduit Sluice Gate at Tailrace Turbine Placed Anywhere in Fall Turbine Without Losing Power Without Later a Diffuser Was Added to Recover Later Lost Power Lost Jonval-Koechlin’s Reaction Turbine Jonval-Koechlin’s Jonval-Koechlin’s Reaction Turbine Jonval-Koechlin’s ...
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This note was uploaded on 11/22/2011 for the course EGN 2031 taught by Professor Staff during the Summer '08 term at University of South Florida.

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