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Bladeless Wind Turbine
Under the guidelines ofProf.Shalvadi
SDM COLLEGE OF ENGINEERING AND TECHNOLOGY DHARWAD
Presented by:-
Revathi C
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Contents• Introduction• Principle of working of vortex turbine• Construction• Working• Advantages• Disadvantages• Capabilities• Applications• Conclusion• References
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INTRODUCTION• Wind power has become a useful source of energy over the
past few decades as larger, more efficient turbine designs have produced ever-increasing amounts of power.
• In conventional wind power generation, transportation is increasingly challenging because of the size of the components.
• Bladeless turbines will generate electricity for 40 percent lesser in cost compared with conventional wind turbines.
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VORTEX TURBINE
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History of bladeless power generation
• In 2002, Spanish inventor David Yanez saw a short film about the Tacoma Narrows Bridge in the U.S. Strong winds caused the bridge to collapse in 1940.
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Other similar incidents
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Vorticity and Vortex Shedding Effect
• PRINCIPLE :Vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending on the size and shape of the body. In this flow, vortices are created at the back of the body and detach periodically from either side of the body.
• Vortex shedding behind a circular cylinder. In this animation, the flow on the two sides of the cylinder are shown in different colors, to show that the vortices from the two sides alternate.
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CONSTRUCUTION OF VORTEX TURBINE
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Vortex turbine
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Self tuning magnetic coupling system
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Flywheel coupled to alternator
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ALTERNATOR• The alternator is driven by the power wheel via the belt
drive. The generator is designed by using a ceiling fan stator which consists of 16 set of windings.
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Model of Vortex turbine
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Advancedvortex turbine
model
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Advantages
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Disadvantages
• The efficiency of the energy absorbed from the wind is comparatively less than that of the conventional wind turbine.
• The requirement of control systems for controlling the oscillation to meet the natural frequency of the mast and control of the frequency at higher velocity winds. The height of the mast can be increased based on the output required.
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Capabilities
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Applications
IndustriesRemote telemetrySchoolsFarmsHousesOff-Grid Power for Rail SignallingOff-grid Lighting
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Conclusion
In summary, the generation of electricity is made possible by the small structure of bladeless turbine. High efficient power is generated. This project will satisfy the need of continuous generation of electricity. The overall project uses less space area hence highly economical for the rural electrification of India.
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References1. Harshith K , Blayan Santhosh Fernandes,Shreerama P R, Thilak
Raj.,”Bladeless wind power generation”, International Journal for Scientific Research & Development| Vol. 4, Issue 03, 2016
2. World watch Institute, “Renewables 2005:”Global Status Report” prepared for the Renewable Energy Policy Network,
Washington DC, 2005.
3. U.S. Department of Energy, DOE/GO-102008-2567, "20% Wind Energy by 2030," July 2008.
4 . Williamson C.H. and Govardhan, R., “Vortex-Induced Vibration”, Journal of Fluid Mech, 36:413- 55.doi:10.1146/annurev.fluid.36.050802.122128, 200
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THANK YOU