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Hydrokinetic Turbine Featuring Variable Flux Generation October 1, 2009 Sean Curran Vanessa Kohler Erik Minnis Michael Perry C. Taylor Peterson Alex Quintal
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Introduction Direct drive power generation at low flow velocities Magnets engage with coils Axial displacement is relative to drag on the rotors
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Objectives Design and construct a hydrokinetic turbine to utilize low velocity tidal currents for power generation. VFG Wind Turbine: 4.7m diameter
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Approach Water is 830 times denser than air – Turbine blades will encounter higher forces Model tested in tow tank Demonstration model turbine to be deployed under General Sullivan Bridge
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Major Tasks Stator Development – Includes coils specified to generate a certain amount of electricity at certain frequency Rotor Design – Formed by turbine blade assembly – Turns magnetic ring assembly in generator Blade Selection – Shape, angle of attack & material
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Major Tasks (cont.) Water Proofing and Corrosion Resistance – Salt water application – Component isolation from water Generator Actuation – Magnetic rotor – Fixed coils – Magnetic rotor can move axially Deployment Structure – Based from barge – Based from pier – Based from platform in Tow Tank
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Timeline PLAN OF ATTACK SeptemberProposal, Conceptual design analysis OctoberCreate parts in CAD NovemberAnalyze CAD parts using FEA December Analyze CAD parts using FEA, and consider parts procurement /manufacturing Break BeginsOrder Parts, rough draft of final report Break EndsPrototype partially assembled February Prototype fully assembled- testing in Tow Tank MarchTesting in tow tank and in salt water AprilReview Progress- finish report May Present Report, poster, and final product
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Budget
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