Research Article
Burning Characteristics of Ammonium-Nitrate-Based Composite Propellants with a Hydroxyl-Terminated Polybutadiene/Polytetrahydrofuran Blend Binder
Table 4
Theoretical mole fraction of main combustion products of AN/HTPB/PTHF2 propellants.
| 70% AN | ξ(—) | Mole fraction (—) | CH4 | CO | CO2 | H2 | H2O | N2 | Graphite |
| 0 | 0.0843 | 0.0358 | 0.1270 | 0.2397 | 0.2086 | 0.1653 | 0.1393 | 0.2 | 0.0852 | 0.0364 | 0.1338 | 0.2411 | 0.2156 | 0.1681 | 0.1198 | 0.4 | 0.0862 | 0.0368 | 0.1406 | 0.2423 | 0.2227 | 0.1709 | 0.1005 | 0.6 | 0.0873 | 0.0371 | 0.1473 | 0.2433 | 0.2299 | 0.1737 | 0.0814 | 0.8 | 0.0885 | 0.0374 | 0.1541 | 0.2440 | 0.2371 | 0.1765 | 0.0624 |
| 80% AN | ξ(—) | Mole fraction (—) | CH4 | CO | CO2 | H2 | H2O | N2 | Graphite |
| 0 | 0.0662 | 0.0507 | 0.1719 | 0.2642 | 0.2371 | 0.2099 | 0 | 0.2 | 0.0581 | 0.0469 | 0.1700 | 0.2636 | 0.2521 | 0.2093 | 0 | 0.4 | 0.0506 | 0.0434 | 0.1680 | 0.2620 | 0.2672 | 0.2088 | 0 | 0.6 | 0.0437 | 0.0401 | 0.1659 | 0.2596 | 0.2822 | 0.2085 | 0 | 0.8 | 0.0373 | 0.0370 | 0.1637 | 0.2564 | 0.2974 | 0.2082 | 0 |
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