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爆轰波碰撞聚能效应及其数值分析
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Indexed by:期刊论文

Date of Publication:2016-10-11

Journal:工程爆破

Included Journals:ISTIC

Volume:22

Issue:5

Page Number:45-49

ISSN No.:1006-7051

Key Words:爆轰波;爆轰波碰撞;聚能效应;马赫反射;连续起爆

Abstract:为了掌握爆轰波碰撞时的爆压和能量汇聚的规律,对爆轰波各种碰撞的爆压变化进行研究.首先基于爆轰波碰撞理论分析,得出爆轰波在正碰撞、斜碰撞和马赫反射三种条件下的爆压变化,确定马赫反射发生的条件,然后绘制入射角、偏离角和反射角间的关系曲线.应用Ls-dyna数值软件对爆轰波碰撞产生马赫反射的过程进行模拟.对比模拟和理论计算结果得知,对于多方指数为2.4的铵油炸药,马赫反射发生在斜爆轰波入射角为46.4°时,此时马赫波后压强达到最大值13.2 GPa,并在马赫波后形成高压区域.

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:力学与航空航天学院

Discipline:Engineering Mechanics. Applied and Experimental Mechanics. Biomechanics and Nanomechanics

Business Address:大连理工大学 A1区26号 力学系203室

Contact Information:yanhh@dlut.edu.cn 0411-84708397

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