| 1. | Specification for propellant grain of torpedo 鱼雷固体药柱规范 |
| 2. | It is very important to observe the ignition process and movement of the propellant grains directly in the barrel 直接观察不同点火条件下初始弹道段膛内火药颗粒群的点火、燃烧以及运动状态,具有十分重要的理论意义和实际意义。 |
| 3. | The composite propellant with mini al content is studied for the special motor propellant grain , which is required to be constant in energy while the internal ballistic property and combustion products change instantly 为满足瞬间变换内弹道和燃烧产物而能量不变的特殊发动机装药要求,设计了微铝含量复合推进剂配方。 |
| 4. | Abstract : the composite propellant with mini al content is studied for the special motor propellant grain , which is required to be constant in energy while the internal ballistic property and combustion products change instantly 文摘:为满足瞬间变换内弹道和燃烧产物而能量不变的特殊发动机装药要求,设计了微铝含量复合推进剂配方。 |
| 5. | The improvement to internal ballistic calculation precision of solid rocket motor ( srm ) is important to capture target of missile . and to accomplish it ' s task . calculation of burning surface of propellant grain is essential to interinal ballistic performance calculation 提高固体火箭发动机内弹道的计算精度对导弹准确捕获目标、完成任务有着重要的作用,而发动机工作时瞬态燃面计算是内弹道性能计算的基础。 |
| 6. | 4 . in order to further improve and raise storage , energy and combustion properties of boron - based fuel - rich solid propellant , while the present slurries of boron - based fuel - rich solid propellant can be cast and cured to form defect - free propellant grain , ap grading and metal fuels changing including variety and addition amount have been adjusted and investigated . the result shows that , after the adjustment , all the slurries can be cast to obtain structural perfect propellant grain which may be used to test various propellant properties 4 、为了使现有含硼推进剂的燃烧等性能进一步提高和改善,同时为了能使现有含硼推进剂药浆浇铸后得到结构完整性和均匀性更好的药柱,在2 、 3研究的基础上,对ap的级配、低燃点金属燃烧剂的品种和加入量等进行了较深入的研究,结果表明:这些组分进行调节后的各药浆的流平性变化均能满足浇铸要求,并制成能进行推进剂其它性能测试的小方坯。 |
| 7. | The result shows that the movement of the propellant grains is complex and relative to the ignition system very much . guns with center tube ignition and flame - spreading system can alleviate the accumulation of the propellant effectively , and will have better performance 结果分析表明:火炮点火后膛内火药颗粒的运动情况十分复杂,其运动规律与点传火的方式密切相关,点火孔均匀分布的中心传火管点火方式可以有效的改善发射过程中火药颗粒在弹丸底部堆积的现象,获得更佳的发射效果。 |
| 8. | Because the propellant grain is viscoelastic material , the liner and adiabatic layer are also viscoelastic one , the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials . research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion . numerical analysis method about interface debond on solid rocket motor is researched in this paper 由于固体火箭发动机的推进剂药柱是一种粘弹性材料,衬层和绝热层也具有粘弹性性质,因此其界面脱粘问题实际上是弹性-粘弹性或双粘弹性各向同性材料界面裂纹问题,对该问题的研究涉及到粘弹性力学、界面断裂力学和燃烧学等相关学科。 |