Energy from ocean waves - Revision history

Jmdonev: 1 revision imported

2017-08-29T01:47:33Z

1 revision imported

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Jmdonev at 22:59, 17 August 2017

2017-08-17T22:59:23Z

← Older revision		Revision as of 22:59, 17 August 2017
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	[[Category: Done ~~2015~~-09-06]]		[[Category:Done 2017-07-01]]
	[[File:Pelamis_at_EMEC.jpg\|400px\|thumb\|Figure 1. The Pelamis Prototype machine off of the coast of Scotland (2007).<ref>Wikimedia Commons [Online], Available: https://upload.wikimedia.org/wikipedia/commons/4/4b/Pelamis_at_EMEC.jpg</ref>]]		[[File:Pelamis_at_EMEC.jpg\|400px\|thumb\|Figure 1. The Pelamis Prototype machine off of the coast of Scotland (2007).<ref>Wikimedia Commons [Online], Available: https://upload.wikimedia.org/wikipedia/commons/4/4b/Pelamis_at_EMEC.jpg</ref>]]

	<onlyinclude>People have recently been able to start harnessing '''energy from ocean waves''', but could be a very promising [[primary energy]] source.</onlyinclude> Anyone who has been on a beach with large [[wave]]s has a sense of their raw [[power]], and this power can be [[energy ~~transformation~~\|transformed]] into [[electricity]]. Waves are caused by [[wind]]s blowing over the oceans, where the [[kinetic energy]] from the wind is transferred to the [[water]]. This [[energy]] can build up gradually over long distances, and can be harnessed closer to the shore.<Ref name=boyle>B. Everett, G. Boyle, S. Peake and J. Ramage, "Wave power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.14, pp.608</ref>		<onlyinclude>People have recently been able to start harnessing '''energy from ocean waves''', but could be a very promising [[primary energy]] source.</onlyinclude> Anyone who has been on a beach with large [[wave]]s has a sense of their raw [[power]], and this power can be [[energy transformations\|transformed]] into [[electricity]]. Waves are caused by [[wind]]s blowing over the oceans, where the [[kinetic energy]] from the wind is transferred to the [[water]]. This [[energy]] can build up gradually over long distances, and can be harnessed closer to the shore.<Ref name=boyle>B. Everett, G. Boyle, S. Peake and J. Ramage, "Wave power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.14, pp.608</ref>

	Various devices have been developed over the recent decades, one of them being the Pelamis as seen in Figure 1. It is placed facing the oncoming waves, and bends in response to their contact. The bending is resisted by [[hydraulic energy\|hydraulic devices]] which pump high [[pressure]] [[fluid]] through hydraulic motors, which drive [[electric generator]]s. The electricity generated is then fed towards the shore and can provide power to those living there.<ref name=boyle/> It could also be [[electrical transmission\|transmitted]] inland, effectively powering a small coastal country or nearby towns.		Various devices have been developed over the recent decades, one of them being the Pelamis as seen in Figure 1. It is placed facing the oncoming waves, and bends in response to their contact. The bending is resisted by [[hydraulic energy\|hydraulic devices]] which pump high [[pressure]] [[fluid]] through hydraulic motors, which drive [[electric generator]]s. The electricity generated is then fed towards the shore and can provide power to those living there.<ref name=boyle/> It could also be [[electrical transmission\|transmitted]] inland, effectively powering a small coastal country or nearby towns.
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	==References==		==References==
	{{Reflist}}[[Category:Uploaded]]		{{Reflist}}[[Category:Uploaded]]
	~~[[category: Mark edit]]~~

J.williams: 1 revision imported

2015-09-18T16:51:44Z

1 revision imported

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Jmdonev at 20:08, 17 September 2015

2015-09-17T20:08:24Z

← Older revision		Revision as of 20:08, 17 September 2015
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	[[Category:Done 2015-08-21]]		[[Category: Done 2015-09-06]]
	[[File:Pelamis_at_EMEC.jpg\|400px\|thumb\|Figure 1. The Pelamis Prototype machine off of the coast of Scotland (2007).<ref>Wikimedia Commons [Online], Available: https://upload.wikimedia.org/wikipedia/commons/4/4b/Pelamis_at_EMEC.jpg</ref>]]		[[File:Pelamis_at_EMEC.jpg\|400px\|thumb\|Figure 1. The Pelamis Prototype machine off of the coast of Scotland (2007).<ref>Wikimedia Commons [Online], Available: https://upload.wikimedia.org/wikipedia/commons/4/4b/Pelamis_at_EMEC.jpg</ref>]]

	<onlyinclude>People have recently been able to start harnessing '''energy from ocean waves''', but could be a very promising [[primary energy]] source.</onlyinclude> Anyone who has been on a beach with large ~~waves~~ has a sense of their raw [[power]], and this power can be [[energy transformation\|transformed]] into [[electricity]]. Waves are caused by [[wind]]s blowing over the oceans, where the [[kinetic energy]] from the wind is transferred to the water. This energy can build up gradually over long distances, and can be harnessed closer to the shore.<Ref name=boyle>B. Everett, G. Boyle, S. Peake and J. Ramage, "Wave power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.14, pp.608</ref>		<onlyinclude>People have recently been able to start harnessing '''energy from ocean waves''', but could be a very promising [[primary energy]] source.</onlyinclude> Anyone who has been on a beach with large [[wave]]s has a sense of their raw [[power]], and this power can be [[energy transformation\|transformed]] into [[electricity]]. Waves are caused by [[wind]]s blowing over the oceans, where the [[kinetic energy]] from the wind is transferred to the [[water]]. This [[energy]] can build up gradually over long distances, and can be harnessed closer to the shore.<Ref name=boyle>B. Everett, G. Boyle, S. Peake and J. Ramage, "Wave power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.14, pp.608</ref>

	Various devices have been developed over the recent decades, one of them being the Pelamis as seen in Figure 1. It is placed facing the oncoming waves, and bends in response to their contact. The bending is resisted by [[hydraulic energy\|hydraulic devices]] which pump high [[pressure]] [[fluid]] through hydraulic motors, which drive [[electric generator]]s. The electricity generated is then fed towards the shore and can provide power to those living there.<ref name=boyle/> It could also be [[electrical transmission\|transmitted]] inland, effectively powering a small coastal country or nearby towns.		Various devices have been developed over the recent decades, one of them being the Pelamis as seen in Figure 1. It is placed facing the oncoming waves, and bends in response to their contact. The bending is resisted by [[hydraulic energy\|hydraulic devices]] which pump high [[pressure]] [[fluid]] through hydraulic motors, which drive [[electric generator]]s. The electricity generated is then fed towards the shore and can provide power to those living there.<ref name=boyle/> It could also be [[electrical transmission\|transmitted]] inland, effectively powering a small coastal country or nearby towns.
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	==References==		==References==
	{{Reflist}}[[Category:Uploaded]]		{{Reflist}}[[Category:Uploaded]]
			[[category: Mark edit]]

J.williams: 1 revision imported

2015-08-26T21:31:52Z

1 revision imported

← Older revision	Revision as of 21:31, 26 August 2015
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J.williams at 18:50, 24 August 2015

2015-08-24T18:50:40Z

New page

[[Category:Done 2015-08-21]]
[[File:Pelamis_at_EMEC.jpg|400px|thumb|Figure 1. The Pelamis Prototype machine off of the coast of Scotland (2007).<ref>Wikimedia Commons [Online], Available: https://upload.wikimedia.org/wikipedia/commons/4/4b/Pelamis_at_EMEC.jpg</ref>]]

<onlyinclude>People have recently been able to start harnessing '''energy from ocean waves''', but could be a very promising [[primary energy]] source.</onlyinclude> Anyone who has been on a beach with large waves has a sense of their raw [[power]], and this power can be [[energy transformation|transformed]] into [[electricity]]. Waves are caused by [[wind]]s blowing over the oceans, where the [[kinetic energy]] from the wind is transferred to the water. This energy can build up gradually over long distances, and can be harnessed closer to the shore.<Ref name=boyle>B. Everett, G. Boyle, S. Peake and J. Ramage, "Wave power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.14, pp.608</ref>

Various devices have been developed over the recent decades, one of them being the Pelamis as seen in Figure 1. It is placed facing the oncoming waves, and bends in response to their contact. The bending is resisted by [[hydraulic energy|hydraulic devices]] which pump high [[pressure]] [[fluid]] through hydraulic motors, which drive [[electric generator]]s. The electricity generated is then fed towards the shore and can provide power to those living there.<ref name=boyle/> It could also be [[electrical transmission|transmitted]] inland, effectively powering a small coastal country or nearby towns.

Three of these were put into testing in 2008 off the coast of Portugal. They were 180 [[meter]]s long consisting of 4 units, each rated at 750 [[watt|kilowatts]] with an estimated [[capacity factor]] of 25-40%.<Ref name=boyle/>

==References==
{{Reflist}}[[Category:Uploaded]]