N2O4¶
N2O4 or Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950’s.
Typical combinations are: N2O4/MMH, N2O4/UDMH and N2O4/A50
Reference Points¶
N2O4 == MON-3 == MON3
Hover over column headers to see definitions, values to see alternate units
| Tref | Pref | SG | Cp | dHvap | Visc | Cond | Surf | |
|---|---|---|---|---|---|---|---|---|
| Source | R | psia | g/ml | BTU/lbm-R | BTU/lbm | poise | BTU/hr-ft-R | lbf/in |
| RocketProps | 527.7 | 14.7 | 1.4414 | 0.375 | 178.2 | 4.201e-03 | 0.0767 | 1.497e-04 |
| AFRPL-TR-76-76 | 536.7 | 17.4 | 1.4330 | 0.378 | 178.2 | 3.960e-03 | 0.0757 | 1.433e-04 |
| Aerojet | 527.7 | 14.7 | 1.4414 | 0.375 | 178.2 | 4.202e-03 | 0.0767 | --- |
| thermo | 527.7 | 13.9 | 1.4445 | 0.202 | 154.1 | 4.254e-03 | 0.0820 | 2.392e-04 |
| Vandenberg | 527.7 | 14.7 | 1.4444 | --- | 178.9 | --- | 0.0767 | --- |
Fluid Properties¶
N2O4 == MON-3 == MON3
Hover over column headers to see definitions, values to see alternate units
| MolWt | Tc | Pc | SGc | Zc | Tnbp | Tmelt | omega | |
|---|---|---|---|---|---|---|---|---|
| Source | g/gmole | R | psia | g/ml | (-) | R | R | (-) |
| RocketProps | 92.011 | 776.5 | 1441.3 | 0.4962 | 0.5139 | 530.1 | 471.4 | 0.83906 |
| AFRPL-TR-76-76 | 92.016 | 776.5 | 1440.2 | 0.5504 | 0.4630 | 529.8 | 471.5 | --- |
| Aerojet | 92.011 | 776.5 | 1441.3 | 0.4962 | 0.5139 | 530.1 | 471.4 | 0.81555 |
| thermo | 92.011 | 775.8 | 1469.6 | 0.5414 | 0.4807 | 529.7 | 474.9 | 0.85584 |
| Vandenberg | 92.011 | 776.5 | 1484.3 | 0.5480 | 0.4792 | 529.6 | 471.5 | 0.83400 |
Vapor Pressure¶
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Density¶
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Heat Capacity¶
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Viscosity¶
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Heat of Vaporization¶
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Thermal Conductivity¶
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Surface Tension¶
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