Modeling and Data Acquisition Research

Period of Performance: 05/10/1999 - 05/11/2001


Phase 2 SBIR

Recipient Firm

Combustion Research & Flow Technology
6210 Keller's Church Road Array
Pipersville, PA 18947
Principal Investigator


A high-fidelity, end-to-end is to be developed to conduct rapid turnaround, multi-dimensional simulation of Agent Defeat Weapons Systems Flowfields and support evaluation of varied weaponization concepts for neutralizing chemical/biological (CB) agents. The model designated CRAFT/Agent Defeat, will build upon the three-phase CRAFT Navier Stokes that has been applied to varies related multi-phase activities, e.g. HE detonation, blast wave/bulk liquid interactions, solid rocket motor exhaust plume phenomenology, solid/liquid propellant interior ballistics, etc. The end-to-end simulation capability will include sophisticated turbulence modeling (Large Eddy Simulation an RANS multi-equation model) and chemical kinetics/combustion modeling to address Agent Defeat concerns, e.g. particulate entrainment/dispersion within complex multi-room structures, effectiveness of chemical neutralizers (CN) or HTI material in reducing the viability of biological warfare (BW) spores, aerosolization of chemical agents, etc. The end-to-end model will simulate the Agent Defeat scenario, ranging from container rupture/fragmentation to plume venting/dispersion. Interfacing will be established with early -time Agent Release Model (ARM) and alter time VLSTRACK/SCIPUFF dispersion model, with lethality predictions via ELM. The high-fidelity end-to-end will be validated against sub-scale test, laboratory data and will be utilized to provide real time, "on-line" support to mission planning.