AWSD Reactive Burn Model for High Explosive LX-14

Craven, Galen Thomas; Ticknor, Christopher

doi:10.1002/prep.12027

AWSD Reactive Burn Model for High Explosive LX-14

Journal Article · Sat Feb 08 00:00:00 EST 2025 · Propellants, Explosives, Pyrotechnics

DOI:https://doi.org/10.1002/prep.12027· OSTI ID:2514503

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Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

The results of an Arrhenius–Wescott–Stewart–Davis (AWSD) reactive flow calibration for the HMX-based high explosive LX-14 are presented. The parameters in the AWSD model are calibrated to experimental thermodynamic and gas gun data and to computational results from thermochemical calculations. There is no experimental rate stick data available for LX-14; therefore, scaled experimental results from other PBX-based high explosives are used in the calibration to fill this gap in data. Strong agreement is observed between the calibrated AWSD model and experimental data for LX-14, including validation data that were not used in the calibration procedure. The developed model more accurately describes experimental shock-to-detonation results compared to several other reactive flow models for LX-14 from the literature. The presented results illustrate that the AWSD model is capable of quantitatively describing the reactive burn of LX-14.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 2514503

Alternate ID(s):: OSTI ID: 2514506
OSTI ID: 2520121

Report Number(s):: LA-UR--24-30251

Journal Information:: Propellants, Explosives, Pyrotechnics, Journal Name: Propellants, Explosives, Pyrotechnics Journal Issue: 4 Vol. 50; ISSN 0721-3115

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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