Fire Suppression Modeling for Military Ground Vehicles Using STAR-CCM+®

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Military ground vehicles are equipped with Automatic Fire Extinguishing Systems (AFES) to protect against enemy threats that cause fuel tank ruptures and result in fuel fires inside military vehicle crew compartments. The fires must be rapidly extinguished without reflash to ensure soldier protection from burn and toxicity risks.

The CFD simulation-based acquisition tool using STAR-CCM+ was validated for an exploratory test box and demonstrated with the evaluation of two different suppressant nozzle configurations for a test vehicle. The result is a cost-savings tool with a negligible development payback period that optimizes soldier survivability in a fire situation. This modeling tool is currently being applied to predict the effectiveness of crew AFES in a number of Army ground vehicles.

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Kshitij Deshmukh