Abstract:HETERODYNE HOLOGRAPHIC INTERFEROMETRY AND TIME-AVERAGE HOLOGRAPHY WITH A FREQUENCY SHIFTED BEAM HAVE BEEN PROPOSED FOR USE IN THE MEASUREMENT AND VISUALIZATION OF INTERNAL TRANSONIC FLOWS. A LONG PULSE FLASHLAMP EXCITED DYE LASER HAS BEEN SHOWN TO PRODUCE OVER 50 MILLIJOULES PER PULSE FOR OVER 50… more
Abstract:AN EXPERIMENTAL PROGRAM IS PROPOSED TO EXPLORE THE FEASIBILITY OF USING SOLID FLEXIBLE FILMS FOR THE ELECTRICALMODULATION OF CONDUCTIVE HEAT TRANSFER SO THAT A VARIABLE THERMAL SWITCH MIGHT BE DEVELOPED CAPABLE OF CONTROLLING ENERGY FLOW TO OR FROM AN ADVANCED SPACECRAFT COMPONENT.
Abstract:LUBRICANT QUALITY SIGNIFICANTLY INFLUENCES THE RELIABILITY, LIFE AND ENERGY EFFICIENCY OF VIRTUALLY ALL SYSTEMS. HOWEVER, THERE EXISTS NO RELIABLE, ON-LINE PERFORMANCE MONITORING TECHNIQUE FOR REDUCING UNSCHEDULED DOWNTIME AND IMPROVING PRODUCTIVITY. THIS RESEARCH STUDIES THE FEASIBILITY OF… more
Abstract:RESEARCH TO DATE RELATED TO VEHICLE ROUTING HAS ASSUMED THATTHE CUSTOMER WILL ONLY BE VISITED ONCE IN THE TIME PERIOD UNDER CONSIDERATION. USING THIS ASSUMPTION THE PROBLEMS ARETO ASSIGN EACH CUSTOMER TO A ROUTE, SEQUENCE THE ROUTE, AND SCHEDULE THE VISIT TO EACH CUSTOMER CONSISTENT WITH THE ROUTE.… more
Abstract:IT IS PROPOSED TO DEVELOP NEW OR IMPROVED ON KNOWN GRADIENT CERAMIC/ METALLIC COATINGS FOR APPLICATION ON DIESEL IRON OR STEEL PISTONS CAPABLE OF WITHSTANDING 2000 DEF F COMBUSTION TEMPERATURES AND PROVIDING SIGNIFICANT THERMAL BARRIERS. THE TREND OF DIESEL ENGINE DEVELOPMENT AND PARTICULARLY THE… more
Abstract:A STEAMFLOODING/STEAM GENERATION SYSTEM IS PROPOSED FOR DEEP, HEAVY OIL RESERVOIRS. THIS CONCEPT MINIMIZES THE DOWNHOLE HEAT LOSSES, IMPROVES RELIABILITY AND REDUCES THE COST OF STEAM GENERATION. ITS FEATURES WILL MAKE STEAMING OF VERY DEEP WELLS (BELOW 7500 FEET) TECHNICALLY AND ECONOMICALLY… more
Abstract:THIS PROJECT WILL PRODUCE A DECISION AID TO ASSIST SYSTEM DESIGNERS AND MISSION PLANNERS IN THE ALLOCATION OF SYSTEM FUNCTIONS TO HUMAN PERFORMANCE OR TO SOME DEGREE AUTOMATION. THE DECISION AID IS MADE UP OF: 1. A DATA BASE AND DATA CLASSIFICATION SCHEME; 2. AN EXPERT SYSTEM TO: A) INTEGRATE AND… more
Abstract:WHILE THE NATION'S ECONOMIC AND SOCIAL WELL-BEING CONTINUES TO BECOME INCREASINGLY DEPENDENT ON THE NATION'S ELECTRIC ENERGY SYSTEMS, CONTINUED RELIABLE PERFORMANCE OF THOSE SYSTEMS MUST BE MAINTAINED DESPITE INCREASING FINANCIAL AND OPERATING CONSTRAINTS. THE TASK OF MAINTAINING ACCEPTABLE LEVELS… more
Abstract:SECURITY CONTROL OF POWER SYSTEMS INVOLVES THE MONITORING OFTHE SYSTEM STATE, THE EVALUATION OF SYSTEM VULNERABILITY TO POTENTIAL DISTURBANCES, AND CONTROL ACTION CALCULATED TO CONSTRAIN THAT VULNERABILITY TO AN ACCEPTABLE LOW VALUE. BECAUSE OF THE PERVASIVE UNCERTAINTIES IN THIS PROBLEM, SECURITY… more
Abstract:THE OBJECTIVES OF THIS WORK ARE TO ESTABLISH THE DESIGN REQUIREMENTS, TECHNICAL FEASIBILITY A BASIC DESIGN, AND A COST DATA BASE FOR DESIGNING AND CONSTRUCTING A LOW COST BUT ADEQUATE CAPABILITY FOR CALIBRATING PRESSURE INSTRUMENTATION USED FOR MEASURING DUSTY BLAST FLOW. IN PARTICULAR SUCH A… more
Abstract:A VARIETY OF SCORING SYSTEMS HAVE BEEN IN EXISTENCE SINCE THE LATE 1950'S AND USED PRIMARILY BY THE MILITARY TO EVALUATE WEAPONS SYSTEMS.THE MORE SUCCESSFUL SCORING SYSTEMS HAVE BEEN BASED UPON EITHER ACOUSTIC OR RF RADAR TECHNOLOGIES. RADAR SCORING SYSTEMS HAVE BEEN USED MORE SUCCESSFULLY PRIMARILY… more
Abstract:THIS PHASE I PROJECT WILL DEMONSTRATE THE FEASIBILITY OF AN ON-BOARD EXPERT SYSTEM FOR VIBRATION MONITORING AND CONDITION ASSESSMENT OF HELICOPTER PROPULSION SYSTEMS; COMPUTERIZED DATA ACQUISITION AND ANALYSIS WILL BE ACCOMPLISHED WITH EQUIPMENT AND SOFTWARE CURRENTLY UNDER DEVELOPMENT FOR… more
Abstract:MAKING ACCURATE ON WAFER MEASUREMENTS OF MILLIMETER WAVE SEMICONDUCTOR DEVICES AND CIRCUIT ELEMENTS IS A FUNDAMENTAL REQUIREMENT FOR THE ADVANCEMENT OF MILLIMETER WAVE TECHNOLOGY. MILLIMETER WAVE WAFER PROVE DEVELOPMENT IS REQUIRED. PRESENTLY ON-WAFER PROBING IS AVAILABLE ONLY TO 26.5 GHZ. HOWEVER,… more
Abstract:THERE IS AN IMPLICIT NEED FOR THE ABILITY TO PROBE INTERNAL NODES IN GAAS MMIC'S TO FACILITATE DEVELOPMENT OF THESE STRATEGICALLY CRITICAL COMPONENTS. SYSTEMS USING THE ELECTRO-OPTIC EFFECT HAVE DEMONSTRATED OUTSTANDING PERFORMANCE IN THIS APPLICATION, BUT THESE SYSTEMS ARE EX-PENSIVE AND DIFFICULT… more
Abstract:MAKING ACCURATE AUTOMATED ON-WAFER MEASUREMENTS OF MILLIMETER-WAVE SEMICONDUCTOR DEVICES AND CIRCUIT ELEMENTS IS A FUNDAMENTAL REQUIREMENT FOR THE ADVANCEMENT OF A MILLIMETER-WAVE TECHNOLOGY. MILLIMETER-WAVE WAFER PROBE DEVELOPMENT IS REQUIRED. PRESENTLY ON-WAFER PROBING IS AVAILABLE ONLY TO 26.5… more
Abstract:NOVEL BATTERY CONFIGURATIONS WITH MICROELECTRODES ARE DESCRIBED. THESE BATTERIES SHOULD EXHIBIT VERY LOW INTERNAL CELL RESISTANCE, GREATLY REDUCED CONCENTRATION POLARIZATION EASE OF ACTIVATION IN THE RESERVE MODE AND EXTREMELY RAPID DISCHARGE. THEORETICAL CONSIDERATIONS PROVIDE THE BASIS FOR… more
Abstract:NEW METHODS OF CRITICALLY EVALUATING THE POTENTIAL RISKS OF EMERGING MATERIALS AND TECHNOLOGIES ARE NEEDED TO CONTROL THE SOURCES OF ENVIRONMENTAL HAZARDS AT THE POINTS OF ORIGIN. RECYCLE AND REPROCESSING OPTIONS MINIMIZE THE ENVIRONMENTAL EXPOSURE TO POTENTIALLY HARMFUL MATERIALS BY OFFERING AN… more
Abstract:CONVENTIONAL GAS-FIRED COOKING RANGES HAVE LOW OVERALL THERMAL COOKING EFFICIENCY, WASTING APPROXIMATELY HALF OF THE COMBUSTION ENERGY. FURTHER, COOKING IMPLEMENTS HAVE BEEN IDENTIFIED AS A MAJOR SOURCE OF THE INDOOR AIR POLLUTANTS NO2 AND CO. THE PURPOSE OF THE RESEARCH PROPOSEDHEREIN IS TO… more
Abstract:THE EFFICIENCY OF COMBUSTION SYSTEMS SUCH AS BOILERS, PROCESS HEATERS, DRYING KILNS, AND INCINERATORS IS AN IMPORTANT FACTOR IN THE ECONOMICS OF THEIR OPERATION AND THECONTROL OF EMISSION FROM THESE SOURCES TO THE ATMOSPHERE. THE CONTROL OF SUCH SYSTEMS RELIES ON THE MEASUREMENT OF COMPOSITION ON… more
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