Jmdonev: 1 revision imported

2021-10-15T19:13:34Z

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energy>Jmdonev at 22:53, 25 May 2021

2021-05-25T22:53:36Z

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	[[Category:Done ~~2015~~-08-21]]		[[Category:Done 2021-01-31]]
	~~<onlyinclude>The '''organic Rankine cycle''' is an alternate form of the~~ [[~~Rankine cycle]], most often used when the high [[temperature]]s required to produce [[steam]] are not available~~.~~</onlyinclude>~~ The ~~ordinary~~ Rankine cycle ~~uses~~ [[~~thermal power~~]] ~~to convert~~ [[~~water~~]] to ~~steam, which expands~~ through a [[turbine]] ~~in order~~ to generate [[electricity]]. However instead of using water, which has a relatively high [[boiling point]], the organic Rankine cycle makes use of an [[organic molecule\|organic fluid]] that has a much lower boiling point than water.<ref>~~Ormat~~. ~~(August 12~~, ~~2015)~~. ~~''Organic Rankine Cycle''~~ [Online], Available: ~~http~~://~~www~~.~~ormat~~.com/~~organic~~-~~rankine-cycle~~</ref> An ideal fluid for this should have a low boiling point so it will [[thermal energy#Vaporization\|vaporize]] faster, along with a low freezing point so it will never become solid throughout the cycle. Compounds of [[butane]] or [[pentane]] ~~satisfy these requirements and are commonly used.~~		[[File:ORC unit.jpg\|350px\|thumb\|framed\|Figure 1: The organic Rankine cycle using an [[organic molecule\|organic]] [[working fluid]] to expand through a [[turbine]] to generate [[electricity]].<ref>Avinash Shaligram. "Improving Efficiency of ORC Power Generation," Tech Briefs Media Group, 2016. [Online]. Available: https://contest.techbriefs.com/2016/entries/sustainable-technologies/6990</ref>]]

	~~These systems are used when high temperatures are not available~~. ~~Examples include systems making use~~ of [[~~waste heat~~]] in a [[~~cogeneration~~]] ~~system~~, low ~~temperature~~ [[~~geothermal electricity~~]] ~~generation~~, or [[~~solar pond~~]]s.		<onlyinclude>The '''organic Rankine cycle''' is is similar to the [[Rankine cycle\|Rankine steam cycle]], but uses an [[organic molecule\|organic fluid]] such as [[ammonia\|refrigerant]]s and [[hydrocarbon]]s instead of water as the [[working fluid]].</onlyinclude><ref name=orc>Tchanche, Bertrand F, Lambrinos, Gr, Frangoudakis, A, & Papadakis, G. (2011). Low-grade heat conversion into power using organic Rankine cycles – A review of various applications. ''Renewable & Sustainable Energy Reviews,'' 15(8), 3963–3979. https://doi.org/10.1016/j.rser.2011.07.024</ref> The ordinary Rankine cycle uses [[thermal power]] to convert [[water]] to steam, which expands through a [[turbine]] in order to generate [[electricity]]. The organic Rankine cycle operates in the same way, however instead of using water, which has a relatively high [[boiling point]] (100°C), the organic Rankine cycle uses an [[organic molecule\|organic fluid]] that has a much lower boiling point than water.<ref>Ormat. (August 12, 2015). ''Organic Rankine Cycle'' [Online], Available: http://www.ormat.com/organic-rankine-cycle</ref> An ideal fluid for this should have a low boiling point so it will [[thermal energy#Vaporization\|vaporize]] (become a gas) at lower temperatures, along with a low freezing point so it will never become solid throughout the cycle. Compounds of [[butane]] or [[pentane]] satisfy these requirements and are commonly used.

	~~Aside from the working fluid their working principle is no different from a normal~~ Rankine cycle. ~~''Visit~~ [[~~rankine cycle\|this page~~]] ~~for more information~~.''		Organic Rankine cycle (ORC) machines are used to convert low-temperature heat resources into power. Examples include systems making use of [[waste heat]] in a [[cogeneration]] system, low temperature [[geothermal electricity]] generation, [[solar pond]]s, and potentially [[OTEC]].<ref name=orc/>

			==For Further Reading==
			*[[Rankine cycle]]
			*[[Working fluid]]
			*[[Thermodynamic cycle]]
			*[[Ideal gas law]]
			*Or explore a [[Special:Random\|random page]]
	==References==		==References==
	{{Reflist}}[[Category:Uploaded]]		{{Reflist}}[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:54Z

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J.williams at 18:50, 24 August 2015

2015-08-24T18:50:46Z

New page

[[Category:Done 2015-08-21]]
<onlyinclude>The '''organic Rankine cycle''' is an alternate form of the [[Rankine cycle]], most often used when the high [[temperature]]s required to produce [[steam]] are not available.</onlyinclude> The ordinary Rankine cycle uses [[thermal power]] to convert [[water]] to steam, which expands through a [[turbine]] in order to generate [[electricity]]. However instead of using water, which has a relatively high [[boiling point]], the organic Rankine cycle makes use of an [[organic molecule|organic fluid]] that has a much lower boiling point than water.<ref>Ormat. (August 12, 2015). ''Organic Rankine Cycle'' [Online], Available: http://www.ormat.com/organic-rankine-cycle</ref> An ideal fluid for this should have a low boiling point so it will [[thermal energy#Vaporization|vaporize]] faster, along with a low freezing point so it will never become solid throughout the cycle. Compounds of [[butane]] or [[pentane]] satisfy these requirements and are commonly used.

These systems are used when high temperatures are not available. Examples include systems making use of [[waste heat]] in a [[cogeneration]] system, low temperature [[geothermal electricity]] generation, or [[solar pond]]s.

Aside from the working fluid their working principle is no different from a normal Rankine cycle. ''Visit [[rankine cycle|this page]] for more information.''

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

Organic Rankine cycle - Revision history

Jmdonev: 1 revision imported

energy>Jmdonev at 22:53, 25 May 2021

J.williams: 1 revision imported

J.williams at 18:50, 24 August 2015