Bulletin of the American Physical Society
22nd Biennial Conference of the APS Topical Group on Shock Compression of Condensed Matter
Volume 67, Number 8
Monday–Friday, July 11–15, 2022; Anaheim, California
Session F01: Diverging and Converging Detonation
3:30 PM–4:30 PM,
Monday, July 11, 2022
Anaheim Marriott
Room: Platinum 5
Chair: Caroline Handley, AWE
Abstract: F01.00004 : Wavefront Acceleration and the (Dn-kappa) Relationship in the Evolution of a Detonation*
4:15 PM–4:30 PM
Presenter:
Jin Yao
Authors:
Jin Yao
Lawrence E Fried
(LLNL)
Collaboration:
SDOT
We perform direct numerical simulations using reactive flow models (Ignition and Growth and CHEETAH) and front tracking using the meshless detonation tracker SDOT developed at LLNL with an evolution equation calibrated for LX-17, for the dual-HE concave detonation test described in the “French Experiment” by Matignon (IDS 2010). Our results show close agreement between SDOT DSD tracking and DNS with clear appearance of an ‘initiation zone”, and consistency with the original experiment.
*This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
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