A50¶
Aerozine-50 is a 50-50 mixture of hydrazine and UDMH developed by Aerojet. It was used in the Delta second stage , the Apollo lunar lander and in many other vehicles
Reference Points¶
A50 == 50% N2H4 + 50% UDMH == Aerozine50
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 | 0.9035 | 0.728 | 346.5 | 9.209e-03 | 0.1661 | 1.699e-04 |
| AFRPL-TR-69-149 | 536.4 | 14.7 | 0.8987 | 0.732 | 346.3 | 8.090e-03 | 0.1651 | 1.662e-04 |
| Aerojet | 527.7 | 14.7 | 0.9035 | 0.728 | 346.5 | 9.209e-03 | 0.1659 | --- |
| Vandenberg | 527.7 | 14.7 | 0.9033 | --- | 368.4 | --- | 0.1659 | --- |
Fluid Properties¶
A50 == 50% N2H4 + 50% UDMH == Aerozine50
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 | 41.802 | 1092.7 | 1731.0 | 0.3087 | 0.3203 | 617.7 | 481.7 | 0.16665 |
| AFRPL-TR-69-149 | 41.805 | 1093.0 | 1731.0 | --- | --- | 618.0 | 481.7 | --- |
| Aerojet | 41.802 | 1092.7 | 1731.0 | 0.3087 | 0.3203 | 617.7 | 481.7 | 0.19047 |
| Vandenberg | 41.802 | 1067.4 | 1359.4 | 0.3100 | 0.2564 | 630.0 | 478.8 | 0.39600 |
The Aerojet and AFRPL-TR-69-149 data are virtually identical, perhaps indicating a common source.
Heat of Vaporization¶
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