Energy generation using vortex
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Vortex Energy Energy Harvesting from natural flows Clean | Efficient | Powerful Lavish Ordia Department of Mechanical Engineering, IIT Bombay 1 Lavish Ordia A. Venugopal Department of Mechanical Engineering, IIT Bombay
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Transcript of Energy generation using vortex
Department of Mechanical Engineering, IIT Bombay
1
Vortex EnergyEnergy Harvesting from natural
flowsClean | Efficient | Powerful
Lavish Ordia
Lavish Ordia A. Venugopal Department of Mechanical Engineering,
IIT Bombay
Department of Mechanical Engineering, IIT Bombay
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Wonder Why so?
Fluttering of flag
Lavish Ordia
INDIA
Department of Mechanical Engineering, IIT Bombay
3Lavish Ordia
Tacoma Narrows Bridge CollapseWashington, 1940
Department of Mechanical Engineering, IIT Bombay
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Vortex SheddingOscillating periodic flow that takes place when a fluid flows past a body
At certain velocities, depending on the size and shape of the body
Eg. Fluttering of Handkerchief, leaves of trees; swaying of trees and many more.
Lavish Ordia
Reference : Wikipedia
Ocean Current Map
Lavish Ordia
Department of Mechanical Engineering, IIT Bombay
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Vortex Shedding• What if this could be used in a positive way?
• Enhancing this oscillations to generate energy
• Potential : Can meet 10% energy needs of US
• More than 50% of the U.S. population lives and works within 50 miles of the coastline
• Clean, Renewable, Powerful energy
• No turbines, propellers, or dams
• More powerful in water, smaller scale model can be used in air
• Can substitute windmills
World’s oceans contain an astounding amount of energy in the form of waves, currents, tidal flows and temperature gradientsLavish Ordia
Department of Mechanical Engineering, IIT Bombay
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Impact!!
• Current World Wide Electricity generation
16,000 TWh
• The total accessible market, near population centers, is estimated at 4,000 TWh
Is it so clean???
Lavish Ordia
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Schematic of Energy generation
Demo | Video
Lavish Ordia
Department of Mechanical Engineering, IIT Bombay
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Principle | Outline
• Three way coupling of energy
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Department of Mechanical Engineering, IIT Bombay
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Another design
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Use of Piezoelectric materials
Department of Mechanical Engineering, IIT Bombay
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Advantages
• Easy to set up
(compared to dams, wind mills, solar cells etc.)
• Less maintenance
• High energy density
• Low cost
• Renewable, no green house gas emissions
A lot of research required for commercialization
And optimizing the performance
May take more than a decade to come into practice
Lavish Ordia
Department of Mechanical Engineering, IIT Bombay
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Thank You!
Lavish Ordia
