A preliminary study about methods for harvesting energy from marine resources

Laurea liv.I

Facoltà: Ingegneria

Autore: Riccardo Novo Contatta »

Composta da 70 pagine.

 

Questa tesi ha raggiunto 122 click dal 21/12/2015.

 

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Table of contents Abstract ......................................................................................................................................... vi Acknowledgements ..................................................................................................................... vii Table of contents .......................................................................................................................... ix List of figures ................................................................................................................................ xi 1. Historical notes ...................................................................................................................... xi 2. General statements and principles on wave energy conversion ........................................... xi 3. Tidal range energy ............................................................................................................... xii 4. Tidal currents and marine current energy ........................................................................... xiii 1. Historical notes ..........................................................................................................................1 1.1 Tides and tidal mills ..............................................................................................................1 1.2 Waves ....................................................................................................................................7 1.3 Ocean currents ......................................................................................................................8 2. General statements and principles on wave energy conversion .........................................12 2.1 Classification of wave energy converters and their comparison ........................................12 2.2 Energy of marine waves .....................................................................................................15 2.3 Oscillating body ..................................................................................................................18 2.3.1 Linear generators ..........................................................................................................20 2.3.2 Hydraulic systems .........................................................................................................22 2.4 Oscillating water column ....................................................................................................25 3. Tidal range energy ..................................................................................................................30 3.1 Tides ....................................................................................................................................30 3.2 Tidal barrage plant ...............................................................................................................34 Ebb generation .......................................................................................................................35 Flood generation ....................................................................................................................36 Two ways generation .............................................................................................................36 Double-basin generation ........................................................................................................37 3.3 Available power and energy ...............................................................................................38 3.4 Case study: Rance tidal power plant ....................................................................................40 Description and datas .............................................................................................................40 Environment and economics ..................................................................................................41 4. Tidal current and marine current energy ............................................................................43 4.1 Tidal currents ......................................................................................................................43 4.2 Marine currents ....................................................................................................................44 4.3 Available energy .................................................................................................................47 4.4 State-of-the-art technology ..................................................................................................49 5. Conclusions ...............................................................................................................................54 References .....................................................................................................................................56

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