Award Data

Standard U.S. Navy fiber optic assemblies require that the fiber be bonded to the connector using an adhesive that is labor intensive and heat controlled (MIL-A-24792). Advanced Material Systems (AMS) proposes a study that could solve this problem through the development of an adhesive system that would cure at room temperature in less that 3 minutes and yet meet all of the in-service req ...

Recent trends in submarine design indicate the need for-locating more electrical components, such as propulsion motors and actuators, outside the pressure hull. As a result, there is a need for electrical hull penetrators/connectors which can transfer high currents or high voltages through the submarine's pressure hull. We propose to review the capabilities and limitations of existing penetrator/ ...

Enemy forces can be crippled quickly at the beginning of a war by separating the enemies command and control structure from its combat forces and other elements of its defensive network. A false target generator has the potential to saturate or tie up an enemies air defense net and increase survivability of our own airborne assets. An unmanned aerial vehicle (UAV) is an optimum candidate for a dec ...

The proposed effort focuses upon exploring the potential of a combination of neural, wavelet, and fuzzy logic processing to yield significant performance improvements needed for future seeker scene processors. Seeker scene processors must rapidly process images to detect and classify objects such as tanks on the ground, aircraft in flight, or ships at sea. The problem of detecting and classifyin ...

This project will explore the potential of neural network and wavelet algorithms to yield significant performance improvements needed for future acoustic detection and classification systems. Future systems must automatically recognize complex acoustic signatures in realistic environments. Neural and wavelet algorithms open new possibilities for designing sonar systems by offering the poten ...

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SHIPBOARD LIQUEFIERS IN USE BY THE NAVY FOR PRODUCING LIQUID OXYGEN AND LIQUID NITROGEN EMPLOY HIGH-SPEED TURBOEXPANDERS WITH OILLUBRICATED BEARINGS. MECHANICAL SHAFT SEALS WITH BUFFER GAS STAGES ARE USED IN THESE MACHINES TO PREVENT CONTAMINATION OF THE SYSTEM BY THE LUBRICANT. SUCCESSFUL CONTINUOUS OPERATION OF THE TURBOEXPANDERS,AND THE LIQUEFIER SYSTEM AS A WHOLE, DEPENDS UPON THE INTEGRITY OF ...

WE PROPOSE USING AN INNOVATIVE STIRLING COOLER FOR SHIPBOARD REFRIGERATION. THIS DESIGN ELIMINATES THE FRICTTON, WEAR, AND SEAL LEAKAGE PROBLEMS OF CURRENT STIRLING COOLERS, AND WILL PROVIDE A HIGH RELIABILITY, LONG-LIFE REFRIGERATOR. THE USE OF NEAR AMBIENT PRESSURE AIR AS THE WORKING FLUID MAKES THIS MACHINE ENVIRONMENTALLY BENIGN AND IMMUNE TO PROBLEMS WITH LEAKAGE IN THE COOLER ENVELOPE. THE R ...

1An innovative approach for increasing the cooling capacity and efficiency of miniature thermoelectric coolers is proposed. Compared with current thermoelectric coolers, the proposed device will have three major advantages: (1) almost a factor of two increase in maximum cooling capacity, (2) several fold increase in efficiency (when operating at cooling loads comparable to that of present devices) ...

Advanced anti-radiation missiles using large, high temperature superconducting antennas will require cryocoolers that can cool the antenna quickly with a minimum mass and volume penalty. We will develop a mixed gas Joule-Thomson (J-T) cryocooler with the load heat exchanger integral to the antenna substrate. The mixed gas J-T thermodynamic cycle is significantly more efficient than current singl ...