Dry Bay Fire Model Enhancements

Lentz, Martin L.; Pascal, Andrew; Weisenbach, Michael

doi:10.2514/6.2002-1496

Cited by 1 publication

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“…One of the primary cause of aircraft losses in combat environments is the fire and explosion of the dry bay around the fuel tank [1] . Dry bay fire and explosion can also be recognized as a catastrophic kill mechanism for military vehicles and warships.…”

Section: Introductionmentioning

confidence: 99%

Fuel Leaking Analysis of Fuel Tank by Projectiles Impact with Mechanical Properties of Projectiles

Cai

Song

Pei

et al. 2013

AMR

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For making sure the dry bay ignition and fire, it’s necessary to calculate the number and the sizes of the droplets and determine the mass flow rate of the fuel induced by high-speed impact and penetration of a rigid projectile into fuel tank. An analytical model is founded and the method for calculating the initial leaking velocity of the fuel is determined. It gives the equation for calculating the drop size distributions of fuel and the Sauter mean diameter (SMD) of droplets, through the Maximum Entropy Theory and the conservation for mass. Using the Harmon’s equation for SMD,the fuel droplets SMD can be calculated. Results shows that the initial leaking velocity of the fuel is about linearly increasing with the velocity of the projectile, the SMD of fuel droplets increases with the hole size of the fuel tank which induced by the penetration of the projectile and linearly decreases with the velocity of the projectile. The results can be used for the ignition and fire analysis of the dry bay adjacent to fuel tanks.

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Section: Introductionmentioning

confidence: 99%