Abstract:Subsurface corrosion has been implicated in a number of incidents in which aircraft have demonstrated a loss of structural integrity leading to emergency procedures and in one case, the loss of human life. Although several techniques are available to evaluate subsurface corrosion, no method has… more
Abstract:The Air Force has identified a need for more advanced digital control methodologies to make feasible the application of active magnetic bearings to turbine engines. Achieving the goals for enhanced turbine rotor performance necessitates improved bearing control with associated compact size/weight,… more
Abstract:The use of high-temperature laser densification/annealing techniques for enhancing materials surface characteristics has opened new opportunities in material/laser-process diagnostic instrumentation. Important issues in fabrication of reproducible refractory ceramic coating film lies in… more
Abstract:FIBER-OPTIC SENSORS, IN CONJUNCTION WITH FLUORESCENCE SPECTROSCOPY, HAS MANY USES IN BIOCHEMISTRY, IMMUNOASSAYS, AND CLOSED-AQUACULTURE SYSTEMS. THE USE OF IN SITU FLUORESCENCE MEASUREMENT DURING FIELD TESTS IS HAMPERED BY THE PHYSICAL LIMITATIONS OF SPECTROMETERS RELATED TO THEIR SIZE, WEIGHT, AND… more
Abstract:NIAAA has identified the need for education materials which facilitate the training of health professionals and paraprofessionals in the use of various alcoholism assessment techniques and instruments. In response to this need, we will develop a icon-based courseware for alcoholism appraisal… more
Abstract:The objective of this contract is to develop monitoring technology to accurately screen patients on an outpatient basis by monitoring physiologic variables capable of indicating whether or not there is a need for future, more costly, sleep disorder testing. The Contractor shall perform the following… more
Abstract:The National Institute of Child Health and Human Development has identified the need for programs to delay the onset of sexual activity among adolescents and to increase contraceptive protection of the adolescents who are sexually active. In response to this need, we will develop a hypermedia-based… more
Abstract:Sickle cell anemia is an inherited disorder of erythrocytes characterized by chronic anemia, recurrent pain, susceptibility to infections, chronic and recurrent organ dysfunction, and diminished life-expectancy. Even among patients having documented homozygous sickle cell anemia (Hb SS), there… more
Abstract:Smart-skin is an emerging technology which has tremendous potential for military aircraft applications. All military aircraft employ large numbers of antenna apertures for a wide variety of communication and radar functions. An ideal smart-skin would consist of a multi-function, multi-mode antenna… more
Abstract:An innovative actively cooled structure concept is proposed which integrates proven cooling techniques and state-0f-the-art fabrication methods to extend the maximum combustor wall temperature, thereby reducing cooling requirements and aircraft weight while improving engine performance. Specifically… more
Abstract:A completely new approach is proposed for the accurate measurement and display of the true airspeed of helicopters in hover, low-speed and forward flight. Unlike conventional instruments, the proposed innovation will be characterized by high-frequency response and high sensitivity across the range… more
Abstract:The new aerospace materials are finding applications in the design of military armor vehicles. However, the effect on ride quality, fire control, and internal structural loads due to the increased flexibility of these new vehicles must be ascertained by dynamic analysis. The size of models required… more
Abstract:THE IUSS HAS AN URGENT NEED FOR MORE EFFICIENT METHODS OF SIGNAL PROCSSSING. TO MEET THIS END, SUBMARINE DETECTION AND CLASSIFICATION SYSTEMS MUST BE REEXAMINED AND MODIFIED. THIS PROPOSAL EXAMINES THE POTENTIAL OF AN INNOVATIVE TECHNIQUE CALLED FRACTAL IMAGE ANALYSIS TOAID OPERATORS TO ACCURATELY… more
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