Research Article
Design Optimization and Parameter Analysis of a Hybrid Rocket Motor-Powered Small LEO Launch Vehicle
Table 11
Velocity increments and velocity distribution ratios of several typical three-stage SLVs.
| Name | Stage | Theoretical velocity increment (m/s) | Actual velocity increment (m/s) | Theoretical velocity distribution ratio | Actual velocity distribution ratio |
| Ро́кот (liquid) [25] | 1st | 3987 | 3139 | 44.12% | 41.43% | 2nd | 2607 | 2327 | 28.85% | 30.72% | 3rd | 2443 | 2110 | 27.03% | 27.85% | Total | 9037 | 7576 | — | — |
| Pegasus (solid) [26] | Carrier | 700 | 236 | 7.42% | 2.90% | 1st | 2984 | 2307 | 31.64% | 28.35% | 2nd | 2927 | 2787 | 31.04% | 34.23% | 3rd | 2818 | 2810 | 29.89% | 34.52% | Total | 9429 | 8140 | — | — |
| HPSLV of Purdue University (hybrid) [27] | 1st | 2773 | — | 26.76% | — | 2nd | 3734 | — | 36.03% | — | 3rd | 3851 | — | 37.20% | — | Total | 10358 | — | — | — |
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