Zobrazeno 1 - 10 of 28 pro vyhledávání: '"H. Keo Springer"'
1
Predicted Viscosity of Liquid HMX up to 40 GPa
Autor: Matthew Kroonblawd, Sorin Bastea, H. Keo Springer
Viscous flow serves as a significant heating mechanism during the formation of hot spots, but the shear viscosity which determines this response is poorly characterized for most high explosives. Recently, a model was proposed for the shear viscosity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8072d19c0c7f80fb0a9341aaf4962b83
https://doi.org/10.26434/chemrxiv-2023-rp8hp
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3
Intergranular Hotspots: A Molecular Dynamics Study on the Influence of Compressive and Shear Work
Autor: Brenden W. Hamilton, Matthew P. Kroonblawd, Jalen Macatangay, H. Keo Springer, Alejandro Strachan
Numerous crystal- and microstructural-level mechanisms are at play in the formation of hotspots, which are known to govern high explosive initiation behavior. Most of these mechanisms, including pore collapse, interfacial friction, and shear banding,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3361d96615e228dbe02ab6aa9e79f23f
http://arxiv.org/abs/2302.10728
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6
Predicted Melt Curve and Liquid Shear Viscosity of RDX up to 30 GPa
Autor: Matthew Kroonblawd, H. Keo Springer
Recent grain scale simulations of HMX and TATB have shown that predictions for hot spot formation in high explosives are particularly sensitive to accurate determinations of the pressure-dependent melt curve and the shear viscosity of the liquid phas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a32873835c75ba7fe09ccb021377c69
https://doi.org/10.26434/chemrxiv-2021-v22fb
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8
Computational studies of laser-driven flyer impact experiments to probe properties of inert and energetic materials
Autor: Mithun Bhowmick, H. Keo Springer, Dana D. Dlott, Svjetlana Stekovic
Publikováno v: SHOCK COMPRESSION OF CONDENSED MATTER - 2019: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter.
We present computational studies of experiments that measure the impact shock response in energetic materials on nanosecond-micrometer scales using a multi-material, arbitrary Lagrangian-Eulerian code, ALE3D. In the experiments, a laser launches an a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49796147858e2c38099b54ee0b467b58
https://doi.org/10.1063/12.0000795
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9
Hot spot criticality in shocked HMX over a range of pore sizes and pressures
Autor: Craig M. Tarver, Albert L. Nichols, Sorin Bastea, J. R. Gambino, H. Keo Springer
Publikováno v: SHOCK COMPRESSION OF CONDENSED MATTER - 2019: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter.
Continuum hot spot models for explosives now incorporate information on pore size distribution. However, there is a limited understanding of the participation of different sized pores in shock initiation scenarios. The objective of this simulation- b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7c87c0a94fa2b948edd8d5a5ec0beab
https://doi.org/10.1063/12.0000961
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