divendres, 16 de novembre del 2018

tide

Energy's name:      tide                                    



PictureResultado de imagen de tide energy




Primary or secondary energy: tide is a primary energy.  
               

Renewable or not renewable: the tide is renobable becuse the oceans contain about 96.5% of all the water on the planet.                  

Traditional or alternative energy: the tide is a traditional alternative because its energy has been used for years.
             
Brief definition: sea moviment of ascenrt, by the forces of gravitational attraction that the Sun and especially the Moon, on Earth.



Advantages: Autorenovable, non-polluting, silent, low cost of raw material, does not conentrate population.


Problems: punctual location, dependent on the amplitude of the tides, energy tranfer, vert expensiv.

pdf: http://www.whoi.edu/cms/files/lecture01_21372.pdf

link: https://en.wikipedia.org/wiki/Tide

Tidal power: how it works