NDLI: Comparative Study of the Dynamic Response of Different Materials Subjected to Compressed Gas Blast Loading

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Brandon, J. Hinz Matthew, V. Grimm Muci-Ku¨chler, Karim H. Shawn, M. Walsh
Copyright Year	2011
Abstract	Understanding the dynamic response of materials under blast and impact loading is of interest for both military and civilian applications. In the case of blast loading, the mitigation characteristics of materials employed in personal protective equipment (PPE) is of particular importance. Without adequate protection, exposure of the head to blast waves may result in or contribute to brain tissue damage leading to traumatic brain injury (TBI). The development of simple but representative laboratory experiments that can be used to study the mechanical response of different materials and/or material combinations to blast loading could be very useful for the design of PPE such as helmets. This paper presents a basic experimental setup that can be conveniently used to perform such studies using small scale compressed gas blasts. An open end shock tube is employed to generate the blasts used to load flat plate samples placed in a special rigid holder. Acceleration time histories at selected locations in the sample are used to generate data to compare the dynamic response and blast mitigation effectiveness of different specimens. High speed schlieren video is used to correlate the arrival of the shock wave and air flow that follows with the motion of the test sample.
Starting Page	79
Ending Page	88
Page Count	10
File Format	PDF
ISBN	9780791854884
DOI	10.1115/IMECE2011-64395
Volume Number	Volume 2: Biomedical and Biotechnology Engineering; Nanoengineering for Medicine and Biology
Conference Proceedings	ASME 2011 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2011-11-11
Publisher Place	Denver, Colorado, USA
Access Restriction	Subscribed
Subject Keyword	Dynamic behavior of materials Blast loading Blast mitigation Compressed gas blasts Dynamic response Brain Traumatic brain injury Flat plates Biological tissues Military systems Waves Stress Design Shock waves Air flow Shock tubes Damage
Content Type	Text
Resource Type	Article

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