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爆炸焊接用半球阻波器内爆数值模拟
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Indexed by:期刊论文

Date of Publication:2008-05-15

Journal:辽宁工程技术大学学报(自然科学版)

Included Journals:PKU、ISTIC

Volume:27

Issue:z1

Page Number:133-135

ISSN No.:1008-0562

Key Words:爆炸焊接;半球阻波器;数值模拟

Abstract:为了解决爆炸焊接冲击波和噪声的破坏问题,提出了在半球阻波器内进行爆炸焊接技术. 对爆炸焊接半球阻波器内爆进行分析,对炸药爆炸、冲击波传播、冲击波反射进行数值模拟,分别对TNT炸药和 ANFO炸药的爆炸进行计算,并与用亨利奇公式计算结果进行比较,得出适应于爆炸焊接半球阻波器强度设计和消声设计的压力时程关系,确定了爆破荷载下危险应力位置,为半球阻波器的可靠性评定及优化提供参考依据.模拟结果表明:空气冲击波最先到达门口正方向的壳壁,在门口、排烟口和正对门口壳壁处压力最大.

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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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