Details

Autor(en) / Beteiligte

• Kim, Bohoon
• Park, Jungsu
• Lee, Kyung-Cheol
• Yoh, Jack J.

Titel

A reactive flow model for heavily aluminized cyclotrimethylene-trinitramine

Ist Teil von

• Journal of applied physics, 2014-07, Vol.116 (2)

Ort / Verlag

Melville: American Institute of Physics

Erscheinungsjahr

2014

Quelle

AIP Journals

Beschreibungen/Notizen

• 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.