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Difference between revisions of "Gas"

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(Added note about suit air vs base air requirements)
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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
 
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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% O2)
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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>)
 
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Revision as of 13:52, 26 November 2023

This is a disambiguation page, which lists pages which may be the intended target. If a page link referred you here, please consider editing it to point directly to the intended page.

Gas may refer to:

Gases

Stationpedia has simple phase diagrams for all Gases, a more complex phase change diagram can be located Here

Name Filter Color Molar Heat Capacity
(J⋅K−1⋅mol−1) 		Molar Heat of Fusion
(kJ⋅K−1⋅mol−1) 		Melting Point
(K / °C) 		Boiling Point at 100 kPa
(K / °C) 		Minimum Condensation
(kPa at K / °C) 		Maximum Liquid Temperature
(K / °C at kPa)
Carbon Dioxide (CO2) Gray 28.2 0.6 218 / -55.3 N/A 517 at 218 / -55.3 265 / -8.1 at 6000
Nitrogen (N2) Black 20.6 0.5 40 / -233 75 / -198 6.3 at 40 / -233 190 / -83 at 6000
Nitrous Oxide (N2O) Green 37.2 4 252 / -21 N/A 800 at 252 / -21 431 / 158 at 2000
Oxygen (O2) White 21.1 0.8 56.4 / -217 90 / -183 6.3 at 56.4 / -217 162 / -111 at 6000
Pollutant (X) Yellow 24.8 2 173 / -99.8 N/A 1800 at 173 / -99.8 425 / 152 at 6000
Volatiles (H2) Red 20.4 1 81.6 / -192 112 / -162 6.3 at 81.6 / -192 195 / -78.1 at 6000
Water (H20) Blue 72 8 273 / 0 373 / 100 6.3 at 273 / 0 643 / 370 at 6000

Phase changes have been added to the game system and most gases now have an associated Liquid and a pure solid phase.

The following exist only in solid state and have no gaseous form: Charcoal, Coal, Silicon, Iron, Copper, Nickel, Silver, Gold, Lead, Uranium.

Mixtures

Name Contents Tank Color Notes
Fuel 67% H2, 33% O2 Orange Autoignition at 573.15 K / 300 °C
HydroNox 50% H2, 50% N2O N/A Autoignition at 323.15 K / 50 °C
Air 75% N2, 25% O2 White 16 kPa Partial Pressure O2 minimum is required for human player breathing. Hyperoxia is not simulated.(NOTE: Suit air mixture should be 100% O2)

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 substances; 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)
  • Gravity is not simulated. Density is also not simulated. (gas pressure determines liquid pressure and liquid is present in all directions)
  • Each environment grid cube acts as a single point.
  • Connected pipes network act as a single point. (valves, pumps, mixers, etc act as pipe network splitter)
  • All pumps/mixer also act as a check valve.
  • Gas stoichiometry is not used. (H2O -> 2H2 + O2, 2H2 + O2 -> H2O, 4H2 + 2O2 + 300C -> 13CO2 + 5X)
  • 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)
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