What is ocean tidal energy, and how it can be used. 2011/12/6 Shinya Sakakibara.

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Presentation transcript:

What is ocean tidal energy, and how it can be used. 2011/12/6 Shinya Sakakibara

About ocean tidal energy high tide low tide

reservoir high tide low tide The method of ocean tidal energy. sea

Setting condition high tide low tide The difference of ebb and flow. ＆ A large place.

In Japan Kurushima channel Naruto channel Research stage!!!

The example of use in the world. CountryPlace-name Tide level difference (m) Area (km²) Max power generation (MW) ArgentinaSan Jose AustraliaSecure Bay10.9-? Canada Cobequid Cumberland Shepody Passamaquoddy5.5-? India Kutch Cambay South Korea Garolim Cheonsu4.5-- Mexico Rio Colorado6.7-? Tiburon--? United Kingdom Severn Mersey Strangford Lough--- Conwy America Passamaquoddy Bay 5.5-? Knik Arm Tumagain Arm Golden Gate?-? Russia Mezen Tugur Penzhinskaya Bay620,50087,000 South Africa Mozambique Channel ???

Comparison with other energies. A generation methodQuantity of annual generation (TW) The first Fukushima Nuclear Power Plant33 Photovoltaic power generation3.5 Ocean tidal power station0.6

Advantage and Disadvantage Advantage ・ Fuel is unnecessary. ・ It does not discharge harmful department. ・ It can perform power supply by accurate prediction. Disadvantage ・ Work to remove garbage is necessary. ・ Damage from salt breeze. ・ High cost. ・ Durability is 5-10 years. ・ A setting place is limited. 534,000,000 € Rance tidal power plant

Conclusion 1. I think that I should have been able to lose demerit. 2. I wish that Ocean tidal energy is developed in Japan. 3. I think that Ocean tidal energy should raise more efficiency.