11720158 Takahiro Yoshida. What is ocean tidal energy  The tide Rise and fall of ocean’s surface that we call “tide” A high tide The difference between.

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Presentation transcript:

Takahiro Yoshida

What is ocean tidal energy  The tide Rise and fall of ocean’s surface that we call “tide” A high tide The difference between “low tide” and “high tide” in japan. The Pacific Ocean side About 150 cm The sea of japan side About 40 cm A low tide

What is ocean tidal energy  Causes of “the tide” The tide is created by gravitational tugs from the moon and sun. Earth Ocean Moon The ocean moves by gravitation of the moon

What is ocean tidal energy  Causes of “the tide” The tide is created by gravitational tugs from the moon and sun. High Tide Low Tide 1.At full moon or new moon, ocean pulled to moon and sun 2.At half moon, ocean pulled to moon

What is ocean tidal energy Tidal energy has very big energy. Used for generation This is because a large quantity of seawater has potential energy by gravity It is ocean tidal power plant

Structure of tidal power plant 1. At low tide Ocean side Reservoir side Generator At high tide, reservoir side seawater flows into ocean side. And a generator is starts.

Structure of tidal power plant 2. At high tide Ocean side Reservoir side Generator At high tide, ocean side seawater flows into reservoir side. And a generator is starts.

References The Institute of Applied Energy GREEN ELECTORICITY LIBERARIES UNLIMIED CHUBU Electric Power Co, Inc