Gas
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- stationpedia has simple phase diagrams for all Gasses, a more complex phase change diagram can be located Here
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 (J) | Latent Heat (kJ) | Solid Temperature (°K/°C) | Boiling Point at 100KPa | Minimum Condensation | Maximum Liquid Temperature |
|---|---|---|---|---|---|---|---|
| Carbon Dioxide (CO2) | Gray | 28.2 | 0.6 | 218/-55.3 | N/A. | 517kPa at 218K°/-55.3C° | 265K°/-8.1C° at 6000KPa |
| Nitrogen (N2) | Black | 20.6 | 0.5 | 40/-233 | 75K°/-198C° | 6.3kPa at 40K°/233C° | 190K°/-83C° at 6000kPa |
| Nitrous Oxide (N2O) | Green | 37.2 | 4 | 252/-21 | N/A | 800KPa at 252K°/-21C° | 431K/158C° at 2000kPa |
| Oxygen (O2) | White | 21.1 | 0.8 | 56.4/-217 | 90K°/-183C° | 6.3kPa at 56.4K/-217 C° | 162k°/-111C° at 6000kPa |
| Pollutant (X) | Yellow | 24.8 | 2 | 173/-99.8 | N/A | 1800kPa at 173K°/-99.8C° | 425K°/152C° at 6000kPa |
| Volatiles (H2) | Red | 20.4 | 1 | 81.6/-192 | 112K°/-162C° | 6.3kPa at 81.6K°/-192C° | 195K°/-78.1C° at 6000kPa |
| Steam (H20) | Blue | 72 | 8 | 273/0 | 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 573.15K°/300C° |
| HydroNox | 50%H2, 50%N2O | N/A. | Autoignition at 323.15K°/50C° |
| Air | 75% N2, 25% O2 | White | 16kPa Partial Pressure O2 minimum is required for human player breathing. Hyperoxia is not simulated. |
Simulation Mechanics
- Ideal gas law (PV=nRT) is simulated.
- Thermal conductivity is not simulated. (f.e. heat is transferred at the same fixed rate for all compounds; structures and devices are ignored)
- Thermal radiation is simulated. (caveat: radiated infrared is not absorbed by nearby objects)
- Phase change is simulated. (caveat: simplified and with fixed temperature for solid state)
- Fluid dynamics are not simulated. (caveat: thermal convection is partially simulated)
- Each environment grid cube acts as a single point and each connected pipe network acts as a single point.
- All pumps/mixer also act as a check valve.
- Gas stoichiometry is partially utilized. Some reactions do not reflect real-life.
- Gas pressure determines liquid pressure; gravity/height is ignored.
- Pipes have arbitrary stress value determined by amount of non-correct phase of substance within them (liquid in a gas pipe).
- [bug?] Liquid temperature is controlled by gas temperature. (if no gas present, liquid heater will not function)