Analysis of particle dynamics and heat transfer in detonation thermal spraying systems

K Ramadan, PB Butler - Journal of thermal spray technology, 2004 - Springer
A computational study of pulsed detonation thermal spraying is conducted using an
axisymmetric two-dimensional transient gaseous detonation model. The variations of the …

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 …

[PDF][PDF] Cook-off experiments for model validation at Sandia National Laboratories

MJ Kaneshige, AM Renlund, RG Schmitt, WW Erikson - Albuquerque, NM, 2002 - Citeseer
We have conducted a series of experiments to investigate the process of thermal ignition of
energetic materials during slow cook-off, for the primary purpose of validation of models …

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 …

Thermal runaway of nitric acid-soaked kitty litter in transuranic waste

ML Hobbs, PF Britt, DT Hobbs, MJ Kaneshige… - Process Safety and …, 2022 - Elsevier
Precise wording is important in every field of study, including operational procedures.
Confusion in the wording “organic” and “inorganic” may have contributed to substitution of …

Vented and sealed cookoff of powdered and pressed ε-CL-20

ML Hobbs, MJ Kaneshige, S Coronel - Journal of energetic …, 2021 - Taylor & Francis
We have completed a series of vented and sealed cookoff experiments of the ε-polymorph of
CL-20 in our Sandia Instrumented Thermal Ignition (SITI) apparatus using both powder and …

A numerical method for diffusive transport with moving boundaries and discontinuous material properties

Z Li, DF McTigue, JT Heine - International journal for numerical …, 1997 - Wiley Online Library
A method for the numerical simulation of diffusive transport with moving boundaries is
developed and tested. The variable domain is mapped onto a fixed region, which introduces …

HMX decomposition model to characterize thermal damage

ML Hobbs - Thermochimica acta, 2002 - Elsevier
Thermal decomposition of the crystalline explosive, octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-
tetrazocine (HMX), is modeled using percolation theory in order to characterize thermal …

Numerical simulation of electrokinetic phenomena

ER Lindgren, RR Rao, BA Finlayson - 1995 - ACS Publications
In this paper, we outline our approach to modeling electrokinetic phenomena in unsaturated
porous media. A short summary of previous electrokinetic modeling efforts for other media is …

[PDF][PDF] Validation experiments for modeling slow cook-off

HW Sandusky, GP Chambers, WW Erikson… - 12th International …, 2002 - Citeseer
Slow cook-off experiments were conducted with measurements of temperature, pressure,
and volume until the onset of ignition; time and position for onset of ignition; and reaction …