Lecture07 - Tidal Power Origin of tides Tide power Tidal energy converters ENGRI 1290 1 Lectures objectives Learning the physical mechanisms

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ENGRI 1290 1 Tidal Power Origin of tides Tide power Tidal energy converters
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ENGRI 1290 2 Lecture’s objectives • Learning the physical mechanisms driving ocean tides • Understanding how tidal motion can generate energy • Presenting the different means to convert tidal motion into energy
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ENGRI 1290 3 The origins of tides I • The Moon – 50% on the effect •T h e S u n – The other 50% Ocean tides on Earth are due to: Let’s look at the effect of the moon only. The Earth The Moon Not drawn to scale h( ) The height of water h( ) changes during the day as the Earth rotates around its axis.
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ENGRI 1290 4 The origins of tides II High tide Low tide Low tide High tide Because of the sun’s influence and other factors, the time period of tides can vary from 6 to 10 hours. Tides also widely vary in height and in strength. This is mainly due to local underwater terrain topology. The average tide height is 40 cm.
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This note was uploaded on 09/14/2011 for the course ENGRI 1290 taught by Professor Gourdain during the Fall '10 term at Cornell University (Engineering School).

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Lecture07 - Tidal Power Origin of tides Tide power Tidal energy converters ENGRI 1290 1 Lectures objectives Learning the physical mechanisms

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