用于微层裂物质诊断的小型动量探针技术

doi:10.3969/j.issn.1000-1093.2017.09.009

兵工学报 ›› 2017, Vol. 38 ›› Issue (9): 1729-1735.doi: 10.3969/j.issn.1000-1093.2017.09.009

用于微层裂物质诊断的小型动量探针技术

陈浩玉，洪仁楷，陈永涛，张世文，任国武，莫俊杰

(中国工程物理研究院流体物理研究所，四川绵阳 621999)

收稿日期:2017-01-02 修回日期:2017-01-02 上线日期:2017-11-03
通讯作者: 洪仁楷(1982—)，男，助理研究员，博士 E-mail:32984291@qq.com
作者简介:陈浩玉(1983—)，男，助理研究员，硕士。E-mail: chenhaoyu_2004@126.com
基金资助:
国家自然科学基金项目(11472254)

Mini Momentum Probe Technique for Diagnosis of Micro-spall Fracture of Material

CHEN Hao-yu, HONG Ren-kai, CHEN Yong-tao, ZHANG Shi-wen, REN Guo-wu, MO Jun-jie

(Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan， China)

Received:2017-01-02 Revised:2017-01-02 Online:2017-11-03

摘要/Abstract

摘要： 针对目前微层裂物质诊断技术的不足，设计了一种小型化动量探针。在传统动量传感器的基础上对传感界面和保护膜的测试结构进行改进，并结合数值模拟和联合实验诊断技术对小型化动量探针的测速结果数据进行解读。研究结果表明：改进后的动量探针可获取持续稳定的高质量信号，测试时长得到延长；小型化导致部分时段测速结果产生偏差，但第1速度峰值时刻之前的测速结果可信度高，可用于定量诊断微层裂物质空间密度分布。

关键词: 爆炸力学, 微层裂, 动量探针, Asay窗, 小型化

Abstract: A mini momentum probe is designed to diagnose the micro-spall fractures of material. On the basis of traditional momentum sensor, the structure of the sensing interface and protective film is improved, and the numerical simulation and joint diagnosis experiment technology are used to research the speed measurement results of mini momentum probe. Research result shows that the improved momentum probe can be used to obtain steady high quality signals, and the test duration can be extended; and the probe miniaturization leads to a deviation of measured speeds at some time intervals, but the measured speeds before the first speed peak time are credible, and can be used for the quantitative diagnosis of spatial density distribution of micro-spall fracture of material.Key

Key words: explosionmechanics, micro-spallfracture, momentumprobe, Asaywindow, miniaturization

中图分类号:

O384

陈浩玉，洪仁楷，陈永涛，张世文，任国武，莫俊杰. 用于微层裂物质诊断的小型动量探针技术[J]. 兵工学报, 2017, 38(9): 1729-1735.

CHEN Hao-yu, HONG Ren-kai, CHEN Yong-tao, ZHANG Shi-wen, REN Guo-wu, MO Jun-jie. Mini Momentum Probe Technique for Diagnosis of Micro-spall Fracture of Material[J]. Acta Armamentarii, 2017, 38(9): 1729-1735.

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用于微层裂物质诊断的小型动量探针技术

Mini Momentum Probe Technique for Diagnosis of Micro-spall Fracture of Material

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