Award Data

The objective of this effort is to demonstrate a prototype model of a flight-critical system using AbTech's AIM network synthesis tool and NASA's CLIPS production rule system and to demonstrate the ability of an AIM generated polynomial network to reliably perform sensitivity analysis using variable components of this flight critical system. The resulting adaptive test generation, analysis, and co ...

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AEROSPACE STRUCTURES/MODELS ARE SUBJECTED TO HIGH TEMPERATURES AND STRONG AERODYNAMIC FORCES UNDER CAREFULLY CONTROLLED ENVIRONMENTAL CONDITIONS DURING INSTRUMENTED LABORATORY TESTING. WIND TUNNEL TESTING REQUIRES INSTRUMENTATION WHICH IS RUGGED, RELIABLE, ACCURATE AND PROVIDES TEST DATA QUICKLY TO THE TEST OPERATOR. MEASUREMENTS OF STATIC AND DYNAMIC STRAINS AND PROOF TESTING ON AEROSPACE STRUCTU ...

THE INSPECTION OF VERY LARGE CRUDE CARRIERS (VLCC) FOR STRUCTURAL RELIABILITY IS AN IMPORTANT ENVIRONMENTAL CONCERN. THESE LARGE VESSELS TRANSPORT CRUDE OIL IN SUCH QUANTITIES THAT THE CONSEQUENCE OF AN OIL SPILL DUE TO A BROKEN WELD ARE VERY SERIOUS. IMPROVED TECHNIQUES ARE NEEDED TO INSPECT VLCC TANKS FOR DEFECTS SUCH AS CRACKS IN SEAMS, CORROSION AND FAILED STRUCTURAL MEMBERS. THE COST OF INSPE ...

The National Aeronautics and Space Administration (NASA) has identified the need for representation, indexing, storage, and retrieval of reusable software components. To address this need, American Research Corporation of Virginia proposes the development of an icon-based software component access system using a model based on the theory of partially ordered sets. Project objectives include develo ...

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A PORTABLE DATA ACQUISITION AND INSTRUMENTATION SYSTEM (DAISY) HAS BEEN DEVELOPED BY AS&M, INC. FOR WIND-TUNNEL TESTS. IT INCORPORATES A UNIQUE AND PATENTED TECHNIQUE TO ACCURATELY IDENTIFY AND DEMARCATE REGIONS OF FLOW SEPARATION, REATTACHMENT, AND THE LEADING-EDGE STAGNATION POINT. SIMULTANEOUSLY, LAMINAR-TO-TURBULENT TRANSITION AND THE SPECTRAL CONTENT OF THE MOST AMPLIFIED DISTURBANCES IN THE ...

THE INNOVATION PROPOSED FOR DEVELOPMENT IS A FUEL-CELL BASED ELECTRIC PROPULSION SYSTEM FOR VERY HIGH-ALTITUDE AIRCRAFT. THIS SYSTEM WOULD POTENTIALLY BE CAPABLE OF REACHING ALTITUDES OF UP TO 40 KM (131,000 FT) WITH A SCIENTIFIC PAYLOAD IN EXCESS OF 450 KG (1000 LBS). IT WOULDBE AN ATTRACTIVE PROPULSION ALTERNATIVE FOR NASA'S PROPOSED HIGH ALTITUDE RESEARCH PLATFORM (HARP) OR OTHER VERY HIGH ALTI ...