Modification of Jet Velocities in an Explosively Loaded Copper Target with a Conical Cavity

Hennessey, M. P.; Wilson, F.; Rabinowitz, G. I.; Sevcik, M. J.; Tucker, K. J.; Kline, D. J.; Amondson, D. K.; Springer, H. Keo; Sullivan, K. T.; Eliasson, V.; Belof, J. L.

doi:10.1007/s40870-024-00447-5

Modification of Jet Velocities in an Explosively Loaded Copper Target with a Conical Cavity

Journal Article · Mon Oct 21 00:00:00 EDT 2024 · Journal of Dynamic Behavior of Materials

DOI:https://doi.org/10.1007/s40870-024-00447-5· OSTI ID:2473640

Hennessey, M. P. ^[1]; Wilson, F. ^[2]; Rabinowitz, G. I. ^[2]; Sevcik, M. J. ^[2]; Tucker, K. J. ^[2]; Kline, D. J. ^[1]; Amondson, D. K. ^[1]; Springer, H. Keo ^[1]; Sullivan, K. T. ^[1]; ^[2]; Belof, J. L. ^[1]

Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Colorado School of Mines, Golden, CO (United States)

Here, in this work, the design and execution of an experiment with the goal of demonstrating control over the evolution of a copper jet is described. Simulations show that when using simple multi-material buffers placed between a copper target with a conical cavity and a cylinder of high-explosive, a variety of jetting behaviors occur based on material placement, including both jet velocity augmentation and mitigation. A parameter sweep was performed to determine optimal buffer designs in two configurations. Experiments using the optimal buffer designs verified the effectiveness of the buffers at altering jet velocities. Similar trends were shown between the experimental results and the modeling.

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This content will become publicly available on Tue Oct 21 00:00:00 EDT 2025

Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 2473640

Report Number(s):: LLNL-JRNL-860841; 1087175

Journal Information:: Journal of Dynamic Behavior of Materials, Journal Name: Journal of Dynamic Behavior of Materials; ISSN 2199-7446

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

References (16)

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