[1]朱振,胡艳,吴立志,等.基于PDV技术的微型雷管爆炸驱动飞片速度测试研究[J].爆破器材,2016,45(05):56-61.[doi:10.3969/j.issn.1001-8352.2016.05.012]
　ZHU Zhen,HU Yan,WU Lizhi,et al.Investigation on Flyer Velocity Driven by Miniature Detonators Based on the PDV Technology[J].EXPLOSIVE MATERIALS,2016,45(05):56-61.[doi:10.3969/j.issn.1001-8352.2016.05.012]
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基于PDV技术的微型雷管爆炸驱动飞片速度测试研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
45
期数:
2016年05
页码:
56-61
栏目:
安全与测试
出版日期:
2016-09-30

文章信息/Info

Title:
Investigation on Flyer Velocity Driven by Miniature Detonators Based on the PDV Technology
文章编号:
5076
作者:
朱振; 胡艳; 吴立志; 叶迎华; 沈瑞琪
南京理工大学化工学院(江苏南京，210094)
Author(s):
ZHU Zhen;  HU Yan;  WU Lizhi;  YE Yinghua;  SHEN Ruiqi
School of Chemical Engineering, Nanjing University of Science and Technology(Jiangsu Nanjing, 210094)
关键词:
飞片速度; 飞片位移; PDV测试; 距离
Keywords:
flyer velocity;  flyer displacement;  PDV test;  distance
分类号:
TQ565+.2;TD235.2+2;TJ45+2
DOI:
10.3969/j.issn.1001-8352.2016.05.012
文献标志码:
A
摘要:
针对微型装药爆炸驱动飞片速度问题，搭建微型雷管爆炸驱动钛金属飞片速度测试装置，利用光子多普勒测速技术（photonic Doppler velocimetry,简称PDV），对直径0.7 mm的微型雷管爆炸驱动飞片的速度进行测试，获得小飞片的速度历程，可清晰观察到飞片速度成长、保持、降低的过程。研究了防护PDV光探头有机玻璃厚度对飞片速度的影响，结果显示：当增大有机玻璃厚度时，测试的飞片平均速度会减小，测试相对误差增大；研究了光探头端面与飞片表面不同距离对测试结果的影响，对速度曲线进行位移积分，结果显示：距离较小时，测试结果的一致性较好，速度、位移增长拐点出现时机较为一致。针对整个测试系统，分析了高斯光束条纹间距、防护玻璃、金属表面反射率、试验装置振动因素对测试精度的影响。
Abstract:
A velocity test system was built to study the flying process of titanium flyer plates driven by miniature detonators. Flying process for 0.7 mm-diameter detonators was obtained through PDV system. Velocity history of tiny flyer was obtained, from which the rising, holding and decreasing of flyer velocity could be observed clearly. Plexiglass was used to protect the optic probe and its effect on flyer velocity was also studied. Results show that flyer velocity decreases and relative error increases with the increasing of plexiglass thickness. Effect of distance between optic probe and flyer plate on flyer velocity was researched, and displacement integral of velocity curves was also analyzed.It shows that when the distance is small, turning point of velocity and displacement curves are in great consistency. Meanwhile, effects of fringe spacing of Gaussian beam, protective glass, reflectivity of metal surfaces, and vibration of test device on test accuracy were examined.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2016-03-10
作者简介：朱振（1989－），男，硕士，研究生，主要从事爆炸测试技术的研究。E-mail：zhuzhen2008.hi@163.com
通信作者：胡艳（1977－），女，硕导，副研究员，主要从事纳米复合材料、含能材料等的研究。E-mail：huyan@njust.edu.cn
更新日期/Last Update: 2016-09-30