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Title: A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine

Abstract

An accurate and reliable prediction of reactive flow is a challenging task when characterizing an energetic material subjected to an external shock impact as the detonation transition time is on the order of a micro second. The present study aims at investigating the size effect behavior of a heavily aluminized cyclotrimethylene-trinitramine (RDX) which contains 35% of aluminum by using a detonation rate model that includes ignition and growth mechanisms for shock initiation and subsequent detonation. A series of unconfined rate stick tests and two-dimensional hydrodynamic simulations are conducted to construct the size effect curve which represents the relationship between detonation velocity and inverse radius of the charge. A pressure chamber test is conducted to further validate the reactive flow model for predicting the response of a heavily aluminized high explosive subjected to an external impact.

Authors:
; ;  [1];  [2]
  1. Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742 (Korea, Republic of)
  2. Agency for Defense Development, Daejeon 305-600 (Korea, Republic of)
Publication Date:
OSTI Identifier:
22308720
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 116; Journal Issue: 2; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ALUMINIUM COMPOUNDS; CHEMICAL EXPLOSIVES; CRYSTAL GROWTH; EXPLOSIONS; FLOW MODELS; FORECASTING; IMPACT SHOCK; SIMULATION; TWO-DIMENSIONAL CALCULATIONS

Citation Formats

Kim, Bohoon, Lee, Kyung-Cheol, Yoh, Jack J., E-mail: jjyoh@snu.ac.kr, and Park, Jungsu. A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine. United States: N. p., 2014. Web. doi:10.1063/1.4887811.
Kim, Bohoon, Lee, Kyung-Cheol, Yoh, Jack J., E-mail: jjyoh@snu.ac.kr, & Park, Jungsu. A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine. United States. doi:10.1063/1.4887811.
Kim, Bohoon, Lee, Kyung-Cheol, Yoh, Jack J., E-mail: jjyoh@snu.ac.kr, and Park, Jungsu. Mon . "A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine". United States. doi:10.1063/1.4887811.
@article{osti_22308720,
title = {A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine},
author = {Kim, Bohoon and Lee, Kyung-Cheol and Yoh, Jack J., E-mail: jjyoh@snu.ac.kr and Park, Jungsu},
abstractNote = {An accurate and reliable prediction of reactive flow is a challenging task when characterizing an energetic material subjected to an external shock impact as the detonation transition time is on the order of a micro second. The present study aims at investigating the size effect behavior of a heavily aluminized cyclotrimethylene-trinitramine (RDX) which contains 35% of aluminum by using a detonation rate model that includes ignition and growth mechanisms for shock initiation and subsequent detonation. A series of unconfined rate stick tests and two-dimensional hydrodynamic simulations are conducted to construct the size effect curve which represents the relationship between detonation velocity and inverse radius of the charge. A pressure chamber test is conducted to further validate the reactive flow model for predicting the response of a heavily aluminized high explosive subjected to an external impact.},
doi = {10.1063/1.4887811},
journal = {Journal of Applied Physics},
number = 2,
volume = 116,
place = {United States},
year = {Mon Jul 14 00:00:00 EDT 2014},
month = {Mon Jul 14 00:00:00 EDT 2014}
}