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| | {{Disambiguation}} | | {{Disambiguation}} |
| | Gas may refer to: | | Gas may refer to: |
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| | * [[Atmosphere]] | | * [[Atmosphere]] |
| | * [[Special:MyLanguage/Carbon Dioxide|Carbon Dioxide (CO<sub>2</sub>)]] | | * [[Special:MyLanguage/Carbon Dioxide|Carbon Dioxide (CO<sub>2</sub>)]] |
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| | * [[Special:MyLanguage/Water|Water (H<sub>2</sub>O)]] | | * [[Special:MyLanguage/Water|Water (H<sub>2</sub>O)]] |
| | </translate> | | </translate> |
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| | ==Gases== | | ==Gases== |
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| − | 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]
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| − | [[File:Combined phase change diagram.png|frame|none|''A combined phase change diagram showing the phase changes of all in-game gasses.'']]
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| | {| 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) | + | ! Name !! Filter Color !! Molar Heat Capacity |
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| − | | [[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
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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 | + | | [[Carbon Dioxide]] (CO<sub>2</sub>) || Gray || 28.2 |
| | |- | | |- |
| − | | [[Nitrous Oxide]] (N<sub>2</sub>O) || Green || 37.2 || 4 || 252 / -21 || N/A || 800 at 252 / -21 || 431 / 158 at 2000 | + | | [[Nitrogen]] (N<sub>2</sub>) || Green || 20.6 |
| | |- | | |- |
| − | | [[Oxygen]] (O<sub>2</sub>) || White || 21.1 || 0.8 || 56.4 / -217 || 90 / -183 || 6.3 at 56.4 / -217 || 162 / -111 at 6000 | + | | [[Nitrous Oxide]] (N<sub>2</sub>O) || Green || 23.0 |
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| − | | [[Pollutant]] (X) || Yellow || 24.8 || 2 || 173 / -99.8 || N/A || 1800 at 173 / -99.8 || 425 / 152 at 6000 | + | | [[Oxygen]] (O<sub>2</sub>) || White || 21.1 |
| | |- | | |- |
| − | | [[Volatiles]] (H<sub>2</sub>) || Red || 20.4 || 1 || 81.6 / -192 || 112 / -162 || 6.3 at 81.6 / -192 || 195 / -78.1 at 6000 | + | | [[Pollutant]] (X) || Black || 24.8 |
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| − | | [[Water]] (H<sub>2</sub>0) || Blue || 72 || 8 || 273 / 0 || 373 / 100 || 6.3 at 273 / 0 || 643 / 370 at 6000 | + | | [[Volatiles]] (H<sub>2</sub>) || Red || 20.4 |
| | |} | | |} |
| | + | <sup>* Water is now a [[liquid]].</sup> |
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| − | Phase changes have been added to the game system and most gases now have an associated [[:Category:Liquid|Liquid]] and a pure solid phase.
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| − | The following exist only in solid state and have no gaseous form: Charcoal, Coal, Silicon, Iron, Copper, Nickel, Silver, Gold, Lead, Uranium.
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| | ==Mixtures== | | ==Mixtures== |
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| | ! Name !! Contents !! Tank Color !! Notes | | ! Name !! Contents !! Tank Color !! Notes |
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| − | | [[Fuel]] || 67% H<sub>2</sub>, 33% O<sub>2</sub> || Orange || Autoignition at 573.15 K / 300 °C | + | | [[Fuel]] || 67% H<sub>2</sub>, 33%O<sub>2</sub> || Orange || Autoignition at 50C |
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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
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| − | | [[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 || 16kPa O<sub>2</sub> minimum is required for human player breathing. Hyperoxia is not simulated. |
| | |} | | |} |
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| | ==Simulation Mechanics== | | ==Simulation Mechanics== |
| − | {| class="wikitable"
| + | * Partial ideal gas law (PV=nRT) is simulated. |
| − | |-
| + | * Fluid dynamics, thermal conductivity, phase change, the rest of the ideal gas law, and others are not simulated. |
| − | ! Concept
| + | * Thermal radiation is not simulated, but vacuum atmosphere (not rooms) will absorb a fixed amount of energy per tick. The sun adds a fixed energy per tick. |
| − | ! Simulated
| + | * Each environment grid cube acts as a single point and each connected pipe network acts as a single point. |
| − | ! Notes
| + | * Insulation is perfect/infinite. |
| − | |-
| + | * All pumps/mixer also act as a check valve. |
| − | | Ideal Gas Law (PV=nRT)
| + | * Gas stoichiometry is not utilized. (i.e. Igniting 2H<sub>2</sub> + O<sub>2</sub> does not yield 2H<sub>2</sub>O) |
| − | | Partial
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| − | | Pressure will change with temperature, volume, and moles; Temperature will not change
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| − | |-
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| − | | Thermal Conductivity
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| − | | No
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| − | | Rate of energy transfer is the same for all substances
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| − | |-
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| − | | Thermal Radiation
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| − | | Partial
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| − | | Radiated heat is not absorbed by nearby objects
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| − | |-
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| − | | Phase Change
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| − | | Partial
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| − | | Gas/Liquid have simplified graph; Solid has a fixed temperature; Plasma is ignored
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| − | |-
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| − | | Fluid Dynamics
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| − | | No
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| − | | 'Convection' parts work in pressurized environment, other parts work in vacuum
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| − | |-
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| − | | Gas Stoichiometry
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| − | | No
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| − | | The various reactions are arbitrary and vary depending on device used for different products from the same reactants
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| − | |-
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| − | | Gravity/Density
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| − | | No
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| − | | Gas/Liquid is present in all directions
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| − | |-
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| − | | Environment Volume
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| − | | Yes
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| − | | Each environment cube acts as a single point with fixed volume
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| − | |-
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| − | | Pipe Volume
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| − | | Yes
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| − | | Each pipe network acts as a single point with fixed volume depending on number of pipes segments
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| − | |-
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| − | | Flow Direction
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| − | | Yes
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| − | | All pumps and mixer act as check valve, passive check valve available, other valves are not one-way
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| − | |-
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| − | | Pipe Integrity
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| − | | Yes
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| − | | 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
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| − | |-
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| − | | Heat Transfer
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| − | | Partial
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| − | | Liquid temperature is controlled by gas temperature (if no gas, liquid heater will not function)
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| − | |}
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| − | | |
| − | [[Category:Gas]][[Category:Liquid]]
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