Abstract
A graded-density flier plate with gradual change impedance was designed to launch the secondary flier plate in hypervelocity on a light gas gun. The impact surface of graded-density flier plate was made of magnesium, the base surface was made of tungsten, and the middle part was made of the mixture of magnesium, copper and tungsten. A calculating model of hypervelocity launch was developed. The numerical simulations of hypervelocity launch with graded-density flier plate were conducted. The effects of change law of impedance, diameter of secondary flier plate and thickness of buffer on the secondary flier plate velocity were analyzed. The calculated results indicated that the maximum velocity of the secondary flier plate exceeded 16 km/s in the condition of optimizing the change law of impedance of graded-density flier plate, diameter of secondary flier plate, and thickness of buffer.
| Original language | English |
|---|---|
| Pages (from-to) | 167-172 |
| Number of pages | 6 |
| Journal | Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics |
| Volume | 23 |
| Issue number | 3 |
| Publication status | Published - Jun 2009 |
Keywords
- Flier plate of graded impedance
- Hypervelocity launch
- Light-gas gun
- Numerical simulation