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WITHDRAWN Thermochemical Modeling of a Series of Cavity-Decoupled Explosions at the Nevada National Security Site

Description: 

WITHDRAWN A simple thermochemical model has been developed for the post-detonation behavior of common and high performance explosives (e.g., TNT and RDX). Baseline calculations for equilibrium/quasistatic simulated detonations have been compared to a series of large-scale experiments done in the X-Tunnel complex at the Nevada National Security Site (NNSS). These simulations show the influence of nonequilibrium chemistry and the effects of non-reacting materials (e.g., metal explosive casing and mounting hardware) and how these materials affect the measured pressures and temperatures in an explosive chamber. The thermochemical model includes afterburn consideration in decoupled or open-air detonations and estimation of the total heat capacity of the contents of a decoupling cavity. Results from this new model will help define the energy creation and deposition from conventional explosives into the Earth and how these considerations can affect energy coupling in conventional or high energy detonations.

Session: Exploiting Explosion Sources: Advancements in Seismic Source Physics [Poster]

Type: Poster

Date: 4/19/2023

Presentation Time: 08:00 AM (local time)

Presenting Author: Michael S. McClurg

Student Presenter: No

Invited Presentation: 

Authors