A micromechanics pressurization model for cookoff

ML Hobbs, JA Brown, MJ Kaneshige… - Propellants …, 2022 - Wiley Online Library
A micromechanics pressurization (MMP) model has been derived for explosive
decomposition models that are pressure‐dependent. The model includes volumetric thermal …

High-accuracy measurement of the heat of detonation with good robustness by laser-induced breakdown spectroscopy of energetic materials

A Li, X Zhang, Y Yin, X Wang, Y He, Y Shan… - Journal of Analytical …, 2023 - pubs.rsc.org
The heat of detonation of energetic materials (EMs) is determined by the release of chemical
energy, bond energies, and chemical structures and can be reflected by the variation of …

Thermal conductivity of PBX compound calculated by phonons of explosive and binder molecular crystals

X Yan, S Zhang, W Tang, M Xia - ES Energy & Environment, 2020 - espublisher.com
Polymer bonded explosive (PBX) belongs to energy materials, which generally consists of
explosive crystals and binder molecules crystals. Thermal conductivity of PBX is a key …

Heat-current filtering for Green–Kubo and Helfand-moment molecular dynamics predictions of thermal conductivity: Application to the organic crystal β-HMX

A Pereverzev, T Sewell - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Abstract The closely related Green–Kubo and Helfand moment approaches are applied to
obtain the thermal conductivity tensor of β-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazoctane (β-HMX) …

Parametric effects on the mixing efficiency of resonant acoustic mixing technology for high-viscosity mixture: A numerical study

IU Khan, R Guo, U Farooq, S Adhikari, H Zhou - Processes, 2023 - mdpi.com
Numerical investigations were conducted on the mixing efficiency of resonant acoustic
mixing (RAM) technology using a high-viscosity mixture under vertically forced vibrations …

[HTML][HTML] Thermal conductivity tensor of β-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazoctane (β-HMX) as a function of pressure and temperature

R Perriot, MJ Cawkwell - Journal of Applied Physics, 2021 - pubs.aip.org
We have used reverse non-equilibrium molecular dynamics (⁠ R NEMD) simulations to
determine the full thermal conductivity tensor for the monoclinic high explosive crystal β-1, 3 …

Swelling and permeability effects during propellant cookoff

ML Hobbs, WW Erikson, MJ Kaneshige - Combustion and Flame, 2023 - Elsevier
Large rocket motors may violently explode when exposed to accidental fires. Even hot metal
fragments from a nearby accident may penetrate the propellant and ultimately cause thermal …

Transforming polymorphs, melting, and boiling during cookoff of PETN

ML Hobbs, MJ Kaneshige - Combustion and Flame, 2022 - Elsevier
Transforming polymorphs, melting, and boiling are physical processes that can accelerate
decomposition rates during cookoff of PETN and make measurements difficult. For example …

Cookoff modeling of a melt cast explosive (Comp-B)

ML Hobbs, MJ Kaneshige, WW Erikson, JA Brown… - Combustion and …, 2020 - Elsevier
A universal cookoff model (UCM) is applied to the melt cast explosive Comp-B composed of
RDX and TNT. The UCM uses a simple kinetic mechanism with rates and thermophysical …

Thermal transport in graphene–HMX composites with grafted interface

Z Cao, X Huang, Y Wang, C Zhang, X Xue… - Journal of Materials …, 2023 - Springer
To improve the thermal stability of the explosive HMX (C4H8N8O8), in this study, different
functional groups (hydroxyl, carboxyl and butyl) were grafted on the surface of graphene …