Gas
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Gas may refer to:
- Atmosphere
- Carbon Dioxide (CO2)
- Fuel (66.6% H2 + 33.3% O2)
- Hydrogen (H2)
- Nitrogen (N2)
- Nitrous Oxide (N2O)
- Oxygen (O2)
- Pollutants (X)
- Volatiles
- Water (H2O)
Gases
| Name | Filter Color | Molar Heat Capacity | Latent Heat | Freezing point [K°/C°] | Boiling Point at 100KPa [K°/C°] | Minimum condensation pressure [kPa] at Temperature [K°/C°] | Max liquid temperature [K°/C°] at Pressure [kPa] |
|---|---|---|---|---|---|---|---|
| Carbon Dioxide (CO2) | Gray | 28.2 | 0.6kJ/MOL | 218K°/-55.3C° | N/A. | 517kPa at 218K°/-55.3C° | 265K°/-8.1C° at 6000KPa |
| Nitrogen (N2) | Green | 20.6 | 0.5kJ/MOL | 40k°/-233C° | 75K°/-198C° | 6.3kPa at 40K°/233C° | 190K°/-83C° at 6000kPa |
| Nitrous Oxide (N2O) | Green | 37.2 | 4kJ/MOL | 252K°/-21C° | N/A | 800KPa at 252K°/-21C° | 431K/158C° at 2000kPa |
| Oxygen (O2) | White | 21.1 | 0.8kJ/Mol | 56.4K°/-217C° | 90K°/-183C° | 6.3kPa at 56.4K/-217 C° | 162k°/-111C° at 6000kPa |
| Pollutant (X) | Black | 24.8 | 2 kJ/MOL | 173k°/-99.8C° | N/A | 1800kPa at 173K°/-99.8C° | 425K°/152C° at 6000kPa |
| Volatiles (H2) | Red | 20.4 | 1kJ/MOL | 81.6K°/-192C° | 112K°/-162C° | 6.3kPa at 81.6K°/-192C° | 195K°/-78.1C° at 6000kPa |
| Steam (H20) | Blue | 72 | 8kJ/MOL | 273K°/0C° | 373k°/100C° | 6.3kPa at 273K°/0C° | 643k°/370C° at 6000kPa |
* phase change has been added to the game system and most gasses now have an associated liquid and a pure Solids phase .
Mixtures
| Name | Contents | Tank Color | Notes |
|---|---|---|---|
| Fuel | 67% H2, 33%O2 | Orange | Autoignition at 300C |
| Air | 75% N2, 25% O2 | White | 16kPa Partial Pressure O2 minimum is required for human player breathing. Hyperoxia is not simulated. |
Simulation Mechanics
- 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.
- 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.
- Each environment grid cube acts as a single point and each connected pipe network acts as a single point.
- Insulation is perfect/infinite.
- All pumps/mixer also act as a check valve.
- Gas stoichiometry is not utilized. (i.e. Igniting 2H2 + O2 yields H2O instead of expected 2H2O)