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==Gases==
 
==Gases==
  
Stationpedia has simple phase diagrams for all Gases, shown in composite below. A more complex phase change diagram can be located [https://www.desmos.com/calculator/voj4scjipd Here]
+
Stationpedia has simple phase diagrams for all Gases, a more complex phase change diagram can be located [https://www.desmos.com/calculator/voj4scjipd Here]
 
 
[[File:Combined phase change diagram.png|frame|none|''A combined phase change diagram showing the phase changes of all in-game gasses.'']]
 
 
 
  
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
! Name !! Filter Color !! Molar Heat Capacity<br>(J⋅K<sup>−1</sup>⋅mol<sup>−1</sup>) !! Molar Heat of Fusion<br>(kJ⋅K<sup>−1</sup>⋅mol<sup>−1</sup>) !! data-sort-type="number" | Melting Point<br>(K / °C) !! data-sort-type="number" | Boiling Point at 100 kPa<br>(K / °C) !! data-sort-type="number" | Minimum Condensation<br>(kPa at K / °C) !! data-sort-type="number" | Maximum Liquid Temperature<br>(K / °C at kPa)
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! Name !! Filter Color !! Molar Heat Capacity<br>(J⋅K<sup>−1</sup>⋅mol<sup>−1</sup>) !! Molar Heat of Fusion<br>(kJ⋅K<sup>−1</sup>⋅mol<sup>−1</sup>) !! Melting Point<br>(K / °C) !! Boiling Point at 100 kPa<br>(K / °C) !! Minimum Condensation<br>(kPa at K / °C) !! Maximum Liquid Temperature<br>(K / °C at kPa)
 
|-
 
|-
 
| [[Carbon Dioxide]] (CO<sub>2</sub>) || Gray || 28.2 || 0.6 || 218 / -55.3 || N/A || 517 at 218 / -55.3 || 265 / -8.1 at 6000
 
| [[Carbon Dioxide]] (CO<sub>2</sub>) || Gray || 28.2 || 0.6 || 218 / -55.3 || N/A || 517 at 218 / -55.3 || 265 / -8.1 at 6000
 
|-
 
|-
| [[Nitrogen]] (N<sub>2</sub>) || Black || 20.6 || 0.5 || 40 / -233 || 75 / -198 || 6.3 at 40 / -233 || 190 / -83 at 6000
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| [[Nitrogen]] (N<sub>2</sub>) || Black || 20.6 || 0.5 || 40 / -233 || 75 / -198 || 6.3 at 40 / 233 || 190 / -83 at 6000
 
|-
 
|-
 
| [[Nitrous Oxide]] (N<sub>2</sub>O) || Green || 37.2 || 4 || 252 / -21 || N/A || 800 at 252 / -21 || 431 / 158 at 2000
 
| [[Nitrous Oxide]] (N<sub>2</sub>O) || Green || 37.2 || 4 || 252 / -21 || N/A || 800 at 252 / -21 || 431 / 158 at 2000
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| [[HydroNox]] || 50% H<sub>2</sub>, 50% N<sub>2</sub>O || N/A || Autoignition at 323.15 K / 50 °C
 
| [[HydroNox]] || 50% H<sub>2</sub>, 50% N<sub>2</sub>O || N/A || Autoignition at 323.15 K / 50 °C
 
|-
 
|-
| [[Air]] || 75% N<sub>2</sub>, 25% O<sub>2</sub> || White || 16 kPa Partial Pressure O<sub>2</sub> minimum is required for human player breathing. Hyperoxia is not simulated.(NOTE: Suit air mixture should be 100% O<sub>2</sub>)
+
| [[Air]] || 75% N<sub>2</sub>, 25% O<sub>2</sub> || White || 16 kPa Partial Pressure O<sub>2</sub> minimum is required for human player breathing. Hyperoxia is not simulated.
 
|}
 
|}
  
 
==Simulation Mechanics==
 
==Simulation Mechanics==
{| class="wikitable"
+
* Ideal gas law (PV=nRT) is simulated.
|-
+
* Thermal conductivity is not simulated. (f.e. heat is transferred at the same fixed rate for all substances; structures and devices are ignored)
! Concept
+
* Thermal radiation is simulated. (caveat: radiated infrared is not absorbed by nearby objects)
! Simulated
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* Phase change is simulated. (caveat: simplified and with fixed temperature for solid state)
! Notes
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* Fluid dynamics are not simulated. (caveat: thermal convection is partially simulated)
|-
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* Each environment grid cube acts as a single point and each connected pipe network acts as a single point.
| Ideal Gas Law (PV=nRT)  
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* All pumps/mixer also act as a check valve.
| Partial
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* Gas stoichiometry is partially utilized. Some reactions do not reflect real-life.
| Pressure will change with temperature, volume, and moles; Temperature will not change
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* Gas pressure determines liquid pressure; gravity/height is ignored.
|-
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* Pipes have arbitrary stress value determined by amount of non-correct phase of substance within them (liquid in a gas pipe).
| Thermal Conductivity
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* [bug?] Liquid temperature is controlled by gas temperature. (if no gas present, liquid heater will not function)
| No
 
| Rate of energy transfer is the same for all substances
 
|-
 
| Thermal Radiation
 
| Partial
 
| Radiated heat is not absorbed by nearby objects
 
|-
 
| Phase Change
 
| Partial
 
| Gas/Liquid have simplified graph; Solid has a fixed temperature; Plasma is ignored
 
|-
 
| Fluid Dynamics
 
| No
 
| 'Convection' parts work in pressurized environment, other parts work in vacuum
 
|-
 
| Gas Stoichiometry
 
| No
 
| The various reactions are arbitrary and vary depending on device used for different products from the same reactants
 
|-
 
| Gravity/Density
 
| No
 
| Gas/Liquid is present in all directions
 
|-
 
| Environment Volume
 
| Yes
 
| Each environment cube acts as a single point with fixed volume
 
|-
 
| Pipe Volume
 
| Yes
 
| Each pipe network acts as a single point with fixed volume depending on number of pipes segments
 
|-
 
| Flow Direction
 
| Yes
 
| All pumps and mixer act as check valve, passive check valve available, other valves are not one-way
 
|-
 
| Pipe Integrity
 
| Yes
 
| Liquid pipes hold low pressure, but may contain both liquid and gas without consequence; Gas pipes hold high pressure, but stress and break with too much liquid
 
|-
 
| Heat Transfer
 
| Partial
 
| Liquid temperature is controlled by gas temperature (if no gas, liquid heater will not function)
 
|}
 
  
 
[[Category:Gas]][[Category:Liquid]]
 
[[Category:Gas]][[Category:Liquid]]

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