Bladder Fuel/Oxidizer Delivery System for Underwater Vehicles (UUVs) and Weapon Applications

METSS proposes to develop its flaccid liner approach for fuel/oxidizer delivery systems used in UUV energy sections. A key element is the use of unstressed bags constructed from polymeric materials that are compatible with the liquid reactants required by the power plant. The system is initially powered by passive means to eliminate any external power requirements and provide reactants in any orientation. The fuel bags are able to be incorporated into containment vessels whose shape and placement can be dictated by the power plant and ancillary devices in the energy section. Additionally, other liners within the containment vessels are able to accept spent reactants and fuel cell reaction products to maintain ballast and trim. Corrosion concerns are eliminated through the predominant use of non-metallic materials of construction and thus the service life of the delivery system will be extended. Drainage and refilling is provided using simple through-hull connections.