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Tidal Energy. Briana Carroll Kareem Belhadj. Sustainable, clean, reliable, widely distributed energy Renewable Tidal power facilities harness the energy from the rise and fall of tides. Two types of tidal plant facilities. Tidal barrages Tidal current turbines

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Tidal energy

Tidal Energy

Briana Carroll

Kareem Belhadj


What is it

  • Sustainable, clean, reliable, widely distributed energy

  • Renewable

  • Tidal power facilities harness the energy from the rise and fall of tides.

  • Two types of tidal plant facilities.

    • Tidal barrages

    • Tidal current turbines

  • Ideal sites are located at narrow channels and experience high variation in high and low tides.

WHAT IS IT


Tidal barrages

  • Utilize potential energy

  • Tidal barrages are typically dams built across an estuary or bay.

  • consist of turbines, sluice gates, embankments, and ship locks.

Tidal Barrages


Pro and cons of tidal barrages

  • High costs of construction

  • Environmental impacts on marine life

  • Low power output in comparison to other energy source like coal and nuclear power plants

  • Mature technology that has been around for nearly 50 years.

  • Reliable energy source.

Pro and Cons of tidal barrages


Tidal current turbines

Tidal current turbines


Pros and cons of tidal current turbines

  • Able to utilize both ebb and flood tides.

  • Tidal current turbines are not large massive dam structure.

Pros and cons of Tidal Current Turbines


Helical turbine
Helical Turbine development.


Helical turbines

Helical Turbines


Biorock s technology

  • Biorock’s runs an alternator by means of a belt. technology speeds the growth of coral reefs 3-5 times and increases survival from severe high temperature 16-50 times. This rapidly increases fish populations and creates ecotourism attractions.

  • Biorock’s technology can be used to regrow dying coral reefs throughout the world, build coastal protection, restore fisheries, and create mariculture resources.

  • Biorock’s technology has been proven in field tests in more than 20 Caribbean, Pacific, Indian Ocean, and Southeast Asian countries.

  • Tidal Energy often found around coral reefs and atolls can be used with Biorock’s technology to regrow reefs in an inexpensive, low-maintenance way using the helical turbine.

Biorock’s Technology


Advantages and disadvantages

  • Advantages runs an alternator by means of a belt.

    • The energy is free – no fuel needed, no waste produced

    • Not expensive to operate and maintain

    • Can produce a great deal of energy

  • Disadvantages

    • Depends on the waves – sometimes you’ll get loads of energy, sometimes almost nothing

    • Needs a suitable site, where waves are consistently strong

    • Some designs are noisy. But then again, so are waves, so any noise is unlikely to be a problem

    • Must be able to withstand

  • Advantages and Disadvantages


    Environmental impact

    • Noise pollution runs an alternator by means of a belt.

    • Displace productive fishing sites

    • Change the pattern of beach sand nourishment

    • Alter food chains and disrupt migration patterns

    • Offshore devices will displace bottom-dwelling organisms

    Environmental Impact


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