The 1-d combustion wave can not be formed in the bed with low loading density.
2
自由装填试验表明:采用大弧厚球扁药能有效提高装填密度。
The free loading test results in simulated cartridge show that the use of oblate spherical powder could be applied to increase the loading density effectively.
3
为今后高装填密度、高质量比的发动机装药开拓出一条新途径。
It is an effective new processing way for loading of the solid rocket motor with high loading density, high propellant mass fraction propellant.