CAJ | 학술논문

目的使火炮发射药床同步均匀点火,降低火炮膛内压力波. 方法研制一种能快速传火的火炮新型中心点火管,进行新点火管的静态实验,测量点火管上不同位置的压力,建立点火管的准一维两相流模型,并进行数值计算. 结果实验结果表明新点火管传火速度快,压力分布均匀.数值计算结果同静态实验结果相符合. 结论新型中心点火管具有很高的传火速度,能够对火炮发射药床进行同步点火.
목적사화포발사약상동보균균점화,강저화포당내압력파. 방법연제일충능쾌속전화적화포신형중심점화관,진행신점화관적정태실험,측량점화관상불동위치적압력,건립점화관적준일유량상류모형,병진행수치계산. 결과실험결과표명신점화관전화속도쾌,압력분포균균.수치계산결과동정태실험결과상부합. 결론신형중심점화관구유흔고적전화속도,능구대화포발사약상진행동보점화.
Aim To present a new kind of rapid ignition tube for igniting the propellant of heavy calibre gun uniformly and synchronistically so as to decrease the pressure wave. Methods Firing tests were carried out. Relationships between pressure and time (p-t curves) at different positions of the tube are measured. The mode of igniter tube of quasi one-dimensional two-phase flow is given. Results The test results indicate that the speed of ignition front in the ignition tube is very fast and the pressure distribution within the igniter tube is uniform. Results of experiments and numerical calculations of the combustion in the igniter tube are in reasonable agreement. Conclusion The new igniter tubes have a very high velocity of propagation of ignition stimuli and can ignite the propellant bed synchronistically.