Secondary fuel - Revision history

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energy>Jmdonev at 22:36, 10 April 2020

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	[[Gasoline]] is the best example of a secondary fuel, as it must be made from [[oil]] through [[fractional distillation\|distillation process]]es. While many of the actual [[chemical]]s in gasoline are found in [[crude oil]], they must be separated out in order to put the [[hydrocarbon]]s in the most useful form.		[[Gasoline]] is the best example of a secondary fuel, as it must be made from [[oil]] through [[fractional distillation\|distillation process]]es. While many of the actual [[chemical]]s in gasoline are found in [[crude oil]], they must be separated out in order to put the [[hydrocarbon]]s in the most useful form.

	Molecular [[hydrogen]] can be a secondary fuel as well, but this is often made in a [[fuel cell]]. This process allows water to be separated into [[hydrogen]] and [[oxygen]], but the energy to do this must come from a primary energy source (either another [[fuel]] like [[coal]] or a [[flow]] like [[hydropower]]).		Molecular [[hydrogen]] can be a secondary fuel as well, but this is often made in a [[fuel cell]]. This process allows water to be separated into [[hydrogen]] and [[oxygen]], but the energy to do this must come from a primary energy source (either another [[fuel]] like [[coal]] or a [[primary energy flow]] like [[hydropower]]).

	Secondary fuels are often made to maximize the ability for [[combustion]] to get [[energy]] into an [[engine]]. This means that secondary fuels are often an intermediate form of energy between the primary energy and the [[energy service]]s. This intermediate form is also known as an [[energy currency]] but energy currencies also include [[electricity]] which not a fuel (see [[electricity as an energy currency]]).		Secondary fuels are often made to maximize the ability for [[combustion]] to get [[energy]] into an [[engine]]. This means that secondary fuels are often an intermediate form of energy between the primary energy and the [[energy service]]s. This intermediate form is also known as an [[energy currency]] but energy currencies also include [[electricity]] which not a fuel (see [[electricity as an energy currency]]).

Jmdonev: 1 revision imported

2018-07-21T01:13:04Z

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Jmdonev at 21:36, 18 July 2018

2018-07-18T21:36:15Z

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	Secondary fuels are often made to maximize the ability for [[combustion]] to get [[energy]] into an [[engine]]. This means that secondary fuels are often an intermediate form of energy between the primary energy and the [[energy service]]s. This intermediate form is also known as an [[energy currency]] but energy currencies also include [[electricity]] which not a fuel (see [[electricity as an energy currency]]).		Secondary fuels are often made to maximize the ability for [[combustion]] to get [[energy]] into an [[engine]]. This means that secondary fuels are often an intermediate form of energy between the primary energy and the [[energy service]]s. This intermediate form is also known as an [[energy currency]] but energy currencies also include [[electricity]] which not a fuel (see [[electricity as an energy currency]]).

			[[File:EnergyFlow.png\|830px\|thumb\|center\|Figure 1. A diagram of how energy makes its way from the sun into the energy services used everyday. Energy currencies like [[electricity]] and [[gasoline]] are a critical step.<ref>This drawing was made by Xining Chen for this website in August 2014 and is used with her permission.</ref> Without the currency stage, the primary energy wouldn't be able to be turned into the energy service.]]

			==References==
			{{reflist}}
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J.williams: 1 revision imported

2015-08-26T21:31:38Z

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J.williams at 16:58, 12 August 2015

2015-08-12T16:58:58Z

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[[Category:Done 2015-02-15]]
[[Category:371 topics]]
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<onlyinclude>'''Secondary fuels''' are [[fuel]]s that are derived from some [[primary fuel]] or fuels through chemical or physical processes. These are fuels that are not found as a natural [[resource]].</onlyinclude> The energy for these secondary fuels comes initially from [[primary energy]] sources.

[[Gasoline]] is the best example of a secondary fuel, as it must be made from [[oil]] through [[fractional distillation|distillation process]]es. While many of the actual [[chemical]]s in gasoline are found in [[crude oil]], they must be separated out in order to put the [[hydrocarbon]]s in the most useful form.

Molecular [[hydrogen]] can be a secondary fuel as well, but this is often made in a [[fuel cell]]. This process allows water to be separated into [[hydrogen]] and [[oxygen]], but the energy to do this must come from a primary energy source (either another [[fuel]] like [[coal]] or a [[flow]] like [[hydropower]]).

Secondary fuels are often made to maximize the ability for [[combustion]] to get [[energy]] into an [[engine]]. This means that secondary fuels are often an intermediate form of energy between the primary energy and the [[energy service]]s. This intermediate form is also known as an [[energy currency]] but energy currencies also include [[electricity]] which not a fuel (see [[electricity as an energy currency]]).
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