Table 2: Summary of the peroxide/ABS burn characterization tests.
Burn No. (Grain No.) | Burn Time, s | %H2O2 Conc. | Inj. Pf, psia | Chamb. Pc, psia | Thrust, N | Isp, s peak (cumulative) | Port Dia., cm start, (end) | Total Mass flow, g/sec | Mfuel burned, g | Mean O/F Ratio | Ign. Energy, J |
1 (1)* | 2.92 | 89.4 | 180 | 150 | 122 | 212 (198) | 2.45 (3.11) | 57.7 | 56 | 2.038 | 14.3 |
2 (1)* | 3.11 | 87.0 | 178 | 148 | 118 | 211 (196) | 3.11 (3.29) | 56.9 | 51 | 2.408 | 10.2 |
3 (1)* | 2.93 | 92.4 | 175 | 142 | 114 | 209 (196) | 3.30 (3.64) | 54.6 | 48 | 2.698 | 9.8 |
4 (1)* | 3.14 | 90.2 | 177 | 148 | 121 | 210 (197) | 3.64 (3.95) | 60.4 | 88 | 3.397 | 7.8 |
5 (2)** | 3.87 | 90.6 | 185 | 152 | 129 | 219 (201) | 2.45 (2.67) | 59.6 | 47 | 2.880 | 13.2 |
6 (2)** | 7.82 | 92.4 | 200 | 167 | 138 | 220 (201) | 2.67 (2.97) | 64.2 | 99 | 3.386 | 8.2 |
7 (2)** | 4.11 | 90.7 | 195 | 165 | 137 | 218 (200) | 2.97 (3.17) | 63.4 | 57 | 3.628 | 6.0 |
8 (2)** | 3.95 | 88.7 | 183 | 154 | 125 | 215 (196) | 3.17 (3.42) | 59.2 | 58 | 4.219 | 5.3 |
9 (3)*** | 5.88 | 89.68 | 200 | 152 | 123 | 213 (201) | 4.05 (4.83) | 56.5 | 87 | 4.307 | 12.9 |
10 (3)*** | 10.3 | 91.7 | 204 | 157 | 135 | 215 (201) | 4.09 (5.08) | 61.0 | 154 | 4.180 | 5.9 |
Mean (Std Dev.) |
4.8 (2.47) | 90.3 (1.69) | 187.8 (10.7) | 153.8 (7.7) | 126.2 (8.2) | 214.2 (3.9) | N/A | 59.4 (3.1) | 74.5 (33.6) | 3.110 (0.77) | 9.3 (3.2) |
*Single Port, Asymmetrical GOX Injector, 0.2286 cm Hollow Cone 50° Spray Angle Peroxide Injector.
**Four-Port Symmetrical GOX Injector, 0.2286 cm Hollow Cone 50° Spray Angle Peroxide Injector.
***Four--Port Symmetrical GOX Injector, 0.1524 cm Hollow Cone 90° Spray Angle Peroxide Injector.