Hydrogen - Revision history

Jebadiha: Added Phase Diagram

2026-03-26T04:38:14Z

Added Phase Diagram

← Older revision		Revision as of 04:38, 26 March 2026
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	\| heat_capacity_ratio = 1.4 <!--unchecked, but H2 should be 7/5 as other diatomics-->		\| heat_capacity_ratio = 1.4 <!--unchecked, but H2 should be 7/5 as other diatomics-->
	}}		}}

			[[File:Phase Diagram of Hydrogen.png\|thumb\|Phase Diagram of Hydrogen]]

	== Description ==		== Description ==

RA2lover: /* Notes */ remove link to volatiles

2026-03-19T07:55:19Z

Notes: remove link to volatiles

← Older revision		Revision as of 07:55, 19 March 2026
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	* The actual Autoignition temperature of Hydrogen in Oxygen is approximately 570 °C at 1 atm, decreasing to 414°C at 7.4 MPa.		* The actual Autoignition temperature of Hydrogen in Oxygen is approximately 570 °C at 1 atm, decreasing to 414°C at 7.4 MPa.
	* Unlike [[Methane]], Hydrogen is not toxic to most [[plants]] in-game.		* Unlike [[Methane]], Hydrogen is not toxic to most [[plants]] in-game.
	* As far as rocketry is concerned, ~~[[Volatiles]] have~~ a mass of 500 mol/kg.		* As far as rocketry is concerned, Hydrogen has a mass of 500 mol/kg (2 g/mol).

	==Sources==		==Sources==

RA2lover: /* Combustion */

2026-03-16T22:44:36Z

Combustion

← Older revision		Revision as of 22:44, 16 March 2026
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	* {{Combustion\|Fuel=Hydrogen, 2\|Oxidizer=Oxygen, 1\|OutputA=Steam, 3\|ShowAutoignition=true}}		* {{Combustion\|Fuel=Hydrogen, 2\|Oxidizer=Oxygen, 1\|OutputA=Steam, 3\|ShowAutoignition=true}}
	* {{Combustion\|Fuel=Hydrogen, 1\|Oxidizer=Nitrous Oxide, 1\|OutputA=Steam, 1\|OutputB=Nitrogen, 1\|ShowAutoignition=true}}		* {{Combustion\|Fuel=Hydrogen, 1\|Oxidizer=Nitrous Oxide, 1\|OutputA=Steam, 1\|OutputB=Nitrogen, 1\|ShowAutoignition=true}}
	{{Combustion\|Fuel=Hydrogen, 3\|Oxidizer=Ozone, 1\|OutputA=Steam, 4\|ShowAutoignition=true}}		* {{Combustion\|Fuel=Hydrogen, 3\|Oxidizer=Ozone, 1\|OutputA=Steam, 4\|ShowAutoignition=true}}

	== Usage ==		== Usage ==
	''See also: [[Fuel]]''		''See also: [[Fuel]]''

RA2lover: Move to combustion template, add trader source

2026-03-16T22:44:15Z

Move to combustion template, add trader source

← Older revision		Revision as of 22:44, 16 March 2026
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	== Description ==		== Description ==
	<blockquote><q>Hydrogen is the most efficient fuel by weight for rocketry. When mixed with [[Oxygen]] it will cleanly combust into [[Water\|Steam]].</q><br>		<blockquote><q>Hydrogen is the most efficient fuel by weight for [[rocketry]]. When mixed with [[Oxygen]] it will cleanly combust into [[Water\|Steam]].</q><br>
	'''- Stationpedia'''</blockquote>		'''- [[Stationpedia]]'''</blockquote>

	'''Hydrogen''' or '''H<sub>2</sub>''' is a combustible gas. The main source of Hydrogen on most planets is in the form of [[Ice (Volatiles)]] that can be mined on the surface. Hydrogen will autoignite at 300°C or above in the presence of [[Oxygen]], autoignite at 150°C in the presence of [[Ozone]] and autoignite at 50°C in the presence of [[Nitrous Oxide]].		'''Hydrogen''' or '''H<sub>2</sub>''' is a combustible gas. The main source of Hydrogen on most [[planets]] is in the form of [[Ice (Volatiles)]] that can be mined on the surface. Hydrogen will autoignite at 300°C or above in the presence of [[Oxygen]], autoignite at 150°C in the presence of [[Ozone]] and autoignite at 50°C in the presence of [[Nitrous Oxide]].

	=== Combustion ===		=== Combustion ===
	* 2 ~~mol H2 +~~ 1 ~~mol O2~~ = 3 ~~mol H2O + 612 kJ (autoignition at 300°C)~~		* {{Combustion\|Fuel=Hydrogen, 2\|Oxidizer=Oxygen, 1\|OutputA=Steam, 3\|ShowAutoignition=true}}
	* 1 ~~mol H2 +~~ 1 ~~mol N2O~~ = 1 ~~mol H2O +~~ 1 ~~mol N2 + 612 kJ (Autoignition at 50°C)~~		* {{Combustion\|Fuel=Hydrogen, 1\|Oxidizer=Nitrous Oxide, 1\|OutputA=Steam, 1\|OutputB=Nitrogen, 1\|ShowAutoignition=true}}
	* 3 ~~mol H2 +~~ 1 ~~mol O3~~ = 4 ~~mol H2O + 1836? kJ (Autoignition at 150°C) <!--Stationpedia equation is not balanced, check actual combustion code later-->~~		{{Combustion\|Fuel=Hydrogen, 3\|Oxidizer=Ozone, 1\|OutputA=Steam, 4\|ShowAutoignition=true}}

	== Usage ==		== Usage ==
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	* The Specific heat of 20.4 Joule / mol is in-between the specific heat of Hydrogen and Methane in real-life.		* The Specific heat of 20.4 Joule / mol is in-between the specific heat of Hydrogen and Methane in real-life.
	* The actual Autoignition temperature of Hydrogen in Oxygen is approximately 570 °C at 1 atm, decreasing to 414°C at 7.4 MPa.		* The actual Autoignition temperature of Hydrogen in Oxygen is approximately 570 °C at 1 atm, decreasing to 414°C at 7.4 MPa.
	* Unlike [[Methane]], Hydrogen is not toxic to most plants in-game.		* Unlike [[Methane]], Hydrogen is not toxic to most [[plants]] in-game.
	* As far as rocketry is concerned, Volatiles have a mass of 500 mol/kg.		* As far as rocketry is concerned, [[Volatiles]] have a mass of 500 mol/kg.

	==Sources==		==Sources==
	Hydrogen can be obtained by processing [[Water]] in an [[Electrolyzer]].		Hydrogen can be obtained by processing [[Water]] in an [[Electrolyzer]] or acquired from [[traders]].
	<br>Additionally, Hydrogen can be collected from the following sources:		<br>Additionally, Hydrogen can be collected from the following sources:

RA2lover: Fix icon

2026-03-13T02:15:38Z

Fix icon

← Older revision		Revision as of 02:15, 13 March 2026
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	{{Infobox gas		{{Infobox gas
	\| gas_name = Hydrogen		\| gas_name = Hydrogen
	\| image = Icon-~~hydrogen~~.png		\| image = Icon-Hydrogen.png
	\| heat = 20.4 J/mol*K <!-- Atmospherics.Mole::GetSpecificHeat -->		\| heat = 20.4 J/mol*K <!-- Atmospherics.Mole::GetSpecificHeat -->
	\| latent_heat = 200 J/mol <!-- Atmospherics.Mole::LatentHeatOfVaporization -->		\| latent_heat = 200 J/mol <!-- Atmospherics.Mole::LatentHeatOfVaporization -->

RA2lover at 06:02, 26 February 2026

2026-02-26T06:02:22Z

← Older revision		Revision as of 06:02, 26 February 2026
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	{{Infobox gas		{{Infobox gas
	\| gas_name = ~~Methane~~		\| gas_name = Hydrogen
	\| image = Icon-~~methane~~.png		\| image = Icon-hydrogen.png
	\| heat = 20.4 J/mol*K <!-- Atmospherics.Mole::GetSpecificHeat -->		\| heat = 20.4 J/mol*K <!-- Atmospherics.Mole::GetSpecificHeat -->
	\| latent_heat = 200 J/mol <!-- Atmospherics.Mole::LatentHeatOfVaporization -->		\| latent_heat = 200 J/mol <!-- Atmospherics.Mole::LatentHeatOfVaporization -->
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	\| liquid_volume = 28 L/kmol		\| liquid_volume = 28 L/kmol
	\| molar_mass = 2 g/mol		\| molar_mass = 2 g/mol
	\| heat_capacity_ratio = 1.4 <!--unchecked, but H2 ~~has~~ should be 7/5 as other diatomics-->		\| heat_capacity_ratio = 1.4 <!--unchecked, but H2 should be 7/5 as other diatomics-->
	}}		}}

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	While Hydrogen is a superior fuel for rocketry, there is currently no way to refine it from [[Methane]], limiting its available supply. As such, it is recommended to combine it with [[Nitrous Oxide]] or [[Ozone]] in rocketry applications to maximize its effectiveness.		While Hydrogen is a superior fuel for rocketry, there is currently no way to refine it from [[Methane]], limiting its available supply. As such, it is recommended to combine it with [[Nitrous Oxide]] or [[Ozone]] in rocketry applications to maximize its effectiveness.

	A suggested alternative use is as a working gas for a [[Stirling Engine]], where it can achieve a conversion efficiency of 18%, surpassing the efficiency of [[Methane]].		A suggested alternative use is as a working gas for a [[Stirling Engine]], where it can achieve a conversion efficiency of 18%, surpassing the efficiency of [[Methane]] and tying it with [[Helium]].

	Hydrogen also has the lowest freezing point of all gases capable of phase change, making it the only choice for extreme cryocooling applications. However, its limited latent heat capacity hinders its performance in that task.		Hydrogen also has the lowest freezing point of all gases capable of phase change, making it the only choice for extreme cryocooling applications. However, its limited latent heat capacity hinders its performance in that task.
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	==Sources==		==Sources==
	~~Volatiles~~ can be collected from the following sources:		Hydrogen can be obtained by processing [[Water]] in an [[Electrolyzer]].
			<br>Additionally, Hydrogen can be collected from the following sources:

	{\| class="wikitable"		{\| class="wikitable"

RA2lover: remove translation thing, mention cryocooling application

2026-02-24T15:53:15Z

remove translation thing, mention cryocooling application

← Older revision		Revision as of 15:53, 24 February 2026
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	While Hydrogen is a superior fuel for rocketry, there is currently no way to refine it from [[Methane]], limiting its available supply. As such, it is recommended to combine it with [[Nitrous Oxide]] or [[Ozone]] in rocketry applications to maximize its effectiveness.		While Hydrogen is a superior fuel for rocketry, there is currently no way to refine it from [[Methane]], limiting its available supply. As such, it is recommended to combine it with [[Nitrous Oxide]] or [[Ozone]] in rocketry applications to maximize its effectiveness.

	A suggested alternative use is as a working gas for a [[Stirling Engine]], where it can achieve a conversion efficiency of 18%, surpassing the efficiency of [[Methane]].		A suggested alternative use is as a working gas for a [[Stirling Engine]], where it can achieve a conversion efficiency of 18%, surpassing the efficiency of [[Methane]].

			Hydrogen also has the lowest freezing point of all gases capable of phase change, making it the only choice for extreme cryocooling applications. However, its limited latent heat capacity hinders its performance in that task.

	===Notes===		===Notes===
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	{{:Gases and Liquids/Menu}}		{{:Gases and Liquids/Menu}}
	[[Category:Gas]][[Category:Liquid]]		[[Category:Gas]][[Category:Liquid]]
	~~</translate>~~

RA2lover: Stub ripped off from Volatiles

2026-02-24T15:49:44Z

Stub ripped off from Volatiles

← Older revision		Revision as of 15:49, 24 February 2026
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	~~#REDIRECT~~ [[Volatiles]]		{{Infobox gas
			\| gas_name = Methane
			\| image = Icon-methane.png
			\| heat = 20.4 J/mol*K <!-- Atmospherics.Mole::GetSpecificHeat -->
			\| latent_heat = 200 J/mol <!-- Atmospherics.Mole::LatentHeatOfVaporization -->
			\| minimum_condensation = 6.3 kPa at 15.1767057463 K <!-- Atmospherics.Mole::FreezingTemperature -->
			\| max_liquid = 6000 kPa at 70.0551551908 K <!-- Atmospherics.Mole::MaxLiquidTemperature -->
			\| freezes = 15.1767057463 K
			\| coefficient_a = 3.18041E-05
			\| coefficient_b = 4.4843872973
			\| thermal_efficiency = 0.18
			\| enthalpy = 306 kJ / mol
			\| liquid_volume = 28 L/kmol
			\| molar_mass = 2 g/mol
			\| heat_capacity_ratio = 1.4 <!--unchecked, but H2 has should be 7/5 as other diatomics-->
			}}

			== Description ==
			<blockquote><q>Hydrogen is the most efficient fuel by weight for rocketry. When mixed with [[Oxygen]] it will cleanly combust into [[Water\|Steam]].</q><br>
			'''- Stationpedia'''</blockquote>

			'''Hydrogen''' or '''H<sub>2</sub>''' is a combustible gas. The main source of Hydrogen on most planets is in the form of [[Ice (Volatiles)]] that can be mined on the surface. Hydrogen will autoignite at 300°C or above in the presence of [[Oxygen]], autoignite at 150°C in the presence of [[Ozone]] and autoignite at 50°C in the presence of [[Nitrous Oxide]].

			=== Combustion ===
			* 2 mol H2 + 1 mol O2 = 3 mol H2O + 612 kJ (autoignition at 300°C)
			* 1 mol H2 + 1 mol N2O = 1 mol H2O + 1 mol N2 + 612 kJ (Autoignition at 50°C)
			* 3 mol H2 + 1 mol O3 = 4 mol H2O + 1836? kJ (Autoignition at 150°C) <!--Stationpedia equation is not balanced, check actual combustion code later-->

			== Usage ==
			''See also: [[Fuel]]''

			While Hydrogen is a superior fuel for rocketry, there is currently no way to refine it from [[Methane]], limiting its available supply. As such, it is recommended to combine it with [[Nitrous Oxide]] or [[Ozone]] in rocketry applications to maximize its effectiveness.

			A suggested alternative use is as a working gas for a [[Stirling Engine]], where it can achieve a conversion efficiency of 18%, surpassing the efficiency of [[Methane]].

			===Notes===
			* The Specific heat of 20.4 Joule / mol is in-between the specific heat of Hydrogen and Methane in real-life.
			* The actual Autoignition temperature of Hydrogen in Oxygen is approximately 570 °C at 1 atm, decreasing to 414°C at 7.4 MPa.
			* Unlike [[Methane]], Hydrogen is not toxic to most plants in-game.
			* As far as rocketry is concerned, Volatiles have a mass of 500 mol/kg.

			==Sources==
			Volatiles can be collected from the following sources:

			{\| class="wikitable"
			\|-
			! Source !! Amount
			\|-
			\| [[Ice (Volatiles)]] \|\| 2 mol
			\|}

			== References ==
			<References />
			{{:Gases and Liquids/Menu}}
			[[Category:Gas]][[Category:Liquid]]
			</translate>

Sunspots: Redirected page to Volatiles

2019-10-26T23:33:35Z

Redirected page to Volatiles

← Older revision		Revision as of 23:33, 26 October 2019
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	~~<languages />~~		#REDIRECT [[Volatiles]]
	~~<translate>~~
	~~== Description == <!--T:1-->~~

	~~<!--T:5-->~~
	~~Hydrogen (H2) is produced by melting~~ [[Volatiles]].

	~~== Mixing Gaseous Fuel == <!--T:2-->~~
	~~==Basic Canister Mixing Setup==~~
	~~===Parts required===~~


	~~===Setup=== <!--T:3-->~~

	~~===Use=== <!--T:4-->~~
	~~Hydrogen is part of the [[Fuel\|fuel mix]] used by the [[Gas Generator]]. It is also required to ignite the [[Furnace]].~~
	~~</translate>~~

NoNoNeo: Marked this version for translation

2018-12-04T22:56:29Z

Marked this version for translation

← Older revision		Revision as of 22:56, 4 December 2018
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	== Description == <!--T:1-->		== Description == <!--T:1-->

			<!--T:5-->
	Hydrogen (H2) is produced by melting [[Volatiles]].		Hydrogen (H2) is produced by melting [[Volatiles]].