DICE-FAE Analysis of Fuel Dispersal and Detonation from a Fuel-Air-Explosive Device
Abstract
Using the DICE-FAE code, a numerical solution was generated of both the dispersal and detonation phases for a BLU-73 liquid Fuel-Air-Explosive device. DICE-FAE is a two-dimensional, implicit, Eulerian, finite difference code which treats fuel-air mixtures, fuel droplet break-up, fuel phase changes, and fuel-air detonation dynamics. The fuel droplets flow through the air and interact with the air through drag and heat exchange mechanisms. The cloud dispersal analysis started with initial conditions representing the fuel mass and burster products just after canister break-up. The FAE detonation analysis commenced with the calculated dispersed cloud fuel-air characteristics and with second event initiation by a centrally-located explosive charge. Detailed comparisons from the DICE-FAE results and experimental data have not been completed, but the final calculated cloud dimensions and peak detonation pressures appear reasonable. The computational results also provide a detailed prediction in terms of space and time of the fuel concentrations during the dispersal phase and of the pressures and temperatures during the detonation phase. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1976
- Accession Number
- ADB017905
Entities
People
- Gordon E. Eggum
- Kenneth N. Kreyenhagen
- Martin Rosenblatt