Abstract

Fuel system damage and fire have historically been recognized as causing the majority of combat vehicle losses. As a result, fuel systems are often the focus of live fire tests, vulnerability assessment studies, and vehicle design efforts. This paper describes modeling and simulation of fire events initiated by ballistic penetration into flammable fluids. It will discuss and describe the development, use, and application of the survivability/vulnerability discipline’s Fire Prediction Model (FPM) as applied to aircraft dry-bay fires. [Dry-bays are defined as internal regions in the aircraft surrounding fuel containers and lines where leaking fluid and vapors can ignite and potentially sustain.]. Wing leading edge bays, landing gear wheel wells, avionics equipment bays, and engine accessory bays are examples of dry bays common to many aircraft. Dry bay fires occur when threats penetrate a fuel tank below the liquid surface or perforate a liquid line, releasing liquid into adjacent dry bays. This paper highlights the FPM tool development, capabilities, usage, and recent applications.

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