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AN INNOVATIVE APPROACH IS PROPOSED TO THE DESIGN PROBLEMS OF COMPONENTS FOR CHEMICALLY REACTING FLOWS. UNDER THIS PROPOSAL, A COMPUTER CODE WOULD BE DEVELOPED FOR USE IN A WORKSTATION ENVIRONMENT. ALL INPUT/OUTPUT WOULD BE PERFORMED ON THE WORKSTATION VIA INTERACTIVE PROTOCOLS AND ACTUAL COMPUTATIONS WOULD BE PERFORMED EITHER ON THE WORKSTATION OR ROUTED TO A MAINFRAME COMPUTER AT THE DISCRETION O ...

AS THE GOVERNMENT TRANSITIONS TO THE USE OF GOSIP AND OTHER INDUSTRY INTERFACE STANDARDS, PROVISION MUST BE MADE FOR COST EFFECTIVE INTEROPERABILITY WITH EXISTING DOD SYSTEMS. THE TRI-TAC SYSTEM DEVELOPED IN THE 1970'S IS NOW BEING FIELDED. AT THE SAME TIME THERE IS INCREASING EMPHASIS WITHIN THE AIR FORCE ON THE UTILIZATION OF COTS EQUIPMENT, AND PROLIFERATION OF COTS BASED WORKSTATION/PC EQUIPME ...

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THE OVERALL OBJECTIVE OF THE PHASE I WORK SHALL BE TO DESIGN AND FABRICATE TELEPRESENT MASTER/SLAVE (M/S) TOOLS CAPABLE OF PROVIDING FORCE AND TACTILE FEEDBACK TO THE HAND OF A HUMAN OPERATOR. THIS WORK SHALL INCORPORATE THE EXTENSIVE PREVIOUS DEVELOPMENT ACTIVITIES AT BEGEJ CORPORATION IN THE AREAS OF TACTILE SENSORS AND TACTILE DISPLAYS. THE SCOPE OF THE PHASE I WORK INCLUDES: (1) DESIGN AND FAB ...

THE OBJECTIVE OF THE PROPOSED WORK IS TO ANALYZE THE HYPERVELOCITY MODELS TESTED AT ARNOLD ENGINEERING DEVELOPMENT CENTER TO DETERMINE THE CAUSE OF NOSETIP FRACTURES. WE WILL ACCOMPLISH THIS GOAL BY PERFORMING TWOAND THREE-DIMENSIONAL FINITE ELEMENT ANALYSES OF THE HYPERVELOCITY MODEL USING DYNA2D AND DYNA3D. IF NECESSARY, WE WILL ALSO DO HYDRODYNAMIC ANALYSES OF THE GAS EXPANSION WHICH DRIVES THE ...

THIS PROJECT WILL HAVE TWO PRODUCTS. IT WILL PROVIDE 1) AN INSTRUMENTED TASK BATTERY FOR ASSESSING THE PERFORMANCE OF HUMANCONTROLLED ROBOTIC SYSTEMS (HCRS) AND 2) A STANDARDIZED PERFORMANCE ASSESSMENT SYSTEM FOR HCRS'S. THE TASK BATTERY WILL BE USEFUL FOR INVESTIGATING ALL ASPECTS OF HCRS PERFORMANCE. THE RESULTS OF THE PERFORMANCE EVALUATION SYSTEM WILL BE INDEPENDENT OF USER SKILL, AND THE PROC ...

HIGH POWER SEMICONDUCTORS USING SILICON AND GAAS ARE LIMITED TO ENVIRONMENTS THAT ARE LESS THAN 300 DEG C IN TEMPERATURE DUE TO LOW BANDGAPS, LOW BREAKDOWN FIELDS AND LOW THERMAL CONDUCTIVITIES. 3C-SIC(B-SIC) HAS BEEN IDENTIFIED AS A MATERIAL WITH EXCELLENT POTENTIAL TO FULFILL THE REQUIREMENTS OF A HIGH POWER, HIGH TEMPERATURE SEMICONDUCTOR WITH HIGH RADIATION HARDNESS. THE KEY TO DEVELOPING DEVI ...

A FAMILY OF ELECTRONICALLY STEERED CIRCULAR PHASED ARRAY ANTENNAS ARE CONFIGURED FOR USE ON SPINNING RE-ENTRY VEHICLES (RV). THIS TECHNIQUE ALLOWS RVS FROM SIX INCHES TO TEN FEET DIAMETER TO ACHIEVE GREATLY INCREASED PERFORMANCE COMPARED TO PRESENT SYSTEMS: CONTINUOUS RANGE SAFETY ACHIEVED THROUGHOUT RV FLIGHT; SIGNIFICANTLY HIGHER DATA RATES FROM IMPROVED DATA MONITORING; REQUIRED SPATIAL COVERAG ...

THIS PROPOSAL DISCUSSES A PROGRAM FOR UTILIZING AND EXPANDING AN INNOVATIVE QUANTUM BASED MULTI-PARTICLE SELF-CONSISTENT ALGORITHM FOR SOLVING THE EQUATION OF MOTION OF THE DENSITY MATRIX TO EXPLORE NEW DEVICE PHENOMENA. THE ALGORITHM HAS BEEN DEVELOPED AT SRA AND OFFERS FOR THE FIRST TIME THE POSSIBILITY OF NUMERICALLY EXAMINING THE FUNDAMENTAL ISSUES GERMANE TO THE TIME DEPENDENT MIXING OF QUASI ...