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Outline
Detonation shock dynamics (DSD) method is an effective way to study the non-ideal propagation of detonation waves. Using the generalized geometrical optics model of DSD, the non-ideal propagation of detonation waves is studied for explosive grain with high slenderness ratio. A computer code is developed to calibrate the DSD parameters for JB-9014 insensitive high explosive by genetic algorithm. Calibration data are obtained from measurements of the detonation velocities and detonation wave fronts in JB-9014 explosive at low temperature of -30 ℃, with diameters of 10-30 mm. The steady-state detonation velocities and detonation wave fronts predicted by these DSD parameters can fit the experimental data within the experimental uncertainty.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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