Abstract:WE PROPOSE THE DEVELOPMENT OF GLOBAL SPECTRAL NUMERICAL WEATHER PREDICTION (NWP) MODELS SPECIALLY DESIGNED TO TAKE ADVANTAGE OF MULTIPROCESSING COMPUTERS. SEVERAL CANDIDATE ALGORITHMS WILL BE DESIGNED AND ANALYZED. THE BEST DESIGNS WILL BE CODED AND TESTED IN A SIMULATED MULTIPROCESSOR. THIS STUDY… more
Abstract:DEFINITIONS ARE REQUIRED OF STRUCTURAL WEIGHT FRACTIONS FOR DELTOID AEROBODY PLATFORMS IN ORDER TO ASSESS THEIR POTENTIAL. PRIOR DATA ON CONVENTIONAL AIRPLANES AND ZEPPELINS CANNOT BE INTERPOLATED OR EXTRAPOLATED WITH CONFIDENCE TO PROVIDE THE REQUIRED DEFINITION. THEREFORE, STRUCTURAL DESIGN… more
Abstract:SOLID BORON HAS LONG BEEN RECOGNIZED AS A POTENTIAL HIGH VOLUMETRIC DENSITY PROPELLANT FOR VOLUME LIMITED ROCKET AND AIR BREATHING PROPULSION SYSTEMS. HOWEVER, ACHIEVING THIS POTENTIAL HAS BEEN DIFFICULT DUE TO LOW COMBUSTION AND HEAT RELEASE EFFICIENCIES IN CONVENTIONALLY DESIGNED COMBUSTORS. A… more
Abstract:SPACE-BASED FACILITIES FACE AN UNEXPECTEDLY HOSTILE ENVIRONMENT AT ORBITAL ALTITUDES DUE TO CHEMICAL INTERACTIONS WITH ATOMIC OXYGEN AT THE HIGH VELOCITIES OF ORBITING SPACECRAFT. DEGRADATION AND EROSION OF MATERIALS FACING INTO THE ATMOSPHERIC WIND POSE A THREAT TO THE EFFECTIVE LIFE AND UTILITY OF… more
Abstract:THE PURPOSE OF THIS PROPOSAL IS TO DESIGN, CONSTRUCT AND TEST A LABORATORY VERSION OF A PASSIVE CHLOROPHYLL FLUORESCENCE SENSOR SUITABLE FOR MONITORING LARGE AREAS OF VEGETATION (> 1 M2). THE LINE DISCRIMINATOR METHOD WE PROPOSE EXPLOITS A COINCIDENCE BETWEEN AN ABSORPTION LINE OFATMOSPHERIC OXYGEN… more
Abstract:THIS PROJECT WILL DEFINE A COMPUTER SIMULATION CAPABILITY THAT CAN SYNTHESIZE CLOUD CLUTTER AND SEA RADIANCE SCENES MEASURED BY SHIPBORNE IRST SENSORS. THE CAPABILITY WILL BE AN EXPANSION OF ARI'S EXISTING AERIE (AERODYNE INFRARED EARTH) IR BACKGROUND RADIANCE SIMULATION CODE, DEVELOPED TO… more
Abstract:NITROUS OXIDE IS AN IMPORTANT TRACE ATMOSPHERIC SPECIES WHICH PLAYS A KEY ROLE IN THE ATMOSPHERIC GREENHOUSE PROBLEM AS WELL AS THE DESTRUCTION OF STRATOSPHERIC OZONE. ITS CONCENTRATION IN THE ATMOSPHERE IS RISING DUE TO ANTHROPOGENIC SOURCES RELATED TO AGRICULTURAL PRODUCTIVITY AND THE BURNING OF… more
Abstract:THERE IS A NEED FOR AN INEXPENSIVE, COMPACT, LOW MAINTENANCE SUB-PICOSECOND OPTICAL PULSE SOURCE TO DRIVE AN OPTICALLY SAMPLED AND TRIGGERED OSCILLOSCOPE. ADEQUATE LASER SOURCES PRESENTLY OCCUPY TEN SQUARE FEET AND REQUIRE REGULAR MAINTENANCE, 20 KW OF ELECTRICITY, AND COOLING WATER; AND THEY… more
Abstract:DEVELOPMENT AND APPLICATION OF ADVANCE SPRAY DIAGNOSTICS FOR THE CHARACTERIZATION OF LIQUID ROCKET FUEL INJECTORS IS PROPOSED. CURRENTLY, MODELLING EFFORTS FOR THE PREDICTION OF FUEL AND OXIDIZER ATOMIZATION, MIXING, AND REACTION ARE HAMPERED BY THE UNAVAILABILITY OF RELIABLE EXPERIMENTAL DATA.… more
Abstract:RESEARCH ON LIQUID ROCKET ENGINE COMBUSTION PROCESSES CONSISTING OF INJECTION INTO TURBULENT ENVIRONMENTS REQUIRESDETAILED INFORMATION ON THE PROPELLANT DROP SIZE DISTRIBUTIONS, MASS FLUX OF OXIDIZER AND FUEL, DROP DYNAMICS, AND CONTINUOUS PHASE TURBULENCE PARAMETERS. THE RECENTLY DEVELOPED PHASE… more
Abstract:THIS RESEARCH PROJECT UNDERTAKES TO DETERMINE THE LIGHT SCATTERING OF BUBBLES IN A MEDIUM WHEREIN THE REFRACTIVE INDEX OF THE SCATTERING MEDIUM IS LESS THAN THAT OF THE SURROUNDINGS. THE RESEARCH WILL FOCUS FIRST ON THE DEVELOPMENT OF APPROPRIATE SOFTWARE TO INCORPORATE INTO AN EXISTING INSTRUMENT… more
Abstract:MEASUREMENT OF WIND AND TURBULENCE BY REMOTE SENSING TO A HEIGHT OF AT LEAST ONE KILOMETER ABOVE GROUND LEVEL HAS BECOME WELL ESTABLISHED. SUCH SYSTEMS ARE KNOWN AS DOPPLER ACOUSTIC SOUNDING SYSTEMS (DASS) OR SOUND DETECTION AND RANGING (SODAR). THESE SYSTEMS UTILIZE SOUND AT RELATIVELY LOW… more
Abstract:DISPERSING SONAR BUOYS OVER A TWO-DIMENSIONAL OCEAN AREA WOULD BE FACILITATED IF SOME OF THE BUOYS WOULD GLIDE PERPENDICULAR TO THE FLIGHT PATH OF THE DISPENSING AIRPLANE. TO DEVELOP THE TECHNOLOGY FOR THIS LATERAL FLIGHT, A PROGRAM IS PROPOSED WHICH, AFTER OUR INTER-ACTIONS WITH THE SPONSOR ON… more
Abstract:TO AUGMENT THE STEALTH FEATURES OF THE SUBMARINE, INNOVATIVE METHODS OF MINIMIZING THE OBSERVABLES DUE TO THE SURFACE PIERCING MAST ARE PROPOSED. OBSERVATION TECHNIQUES INCLUDE VISUAL (EYBALL FROM SURFACE OR AIR) ELECTRO-OPTIC (TV) AND RADAR FROM SURFACE, AIR OR SPACE. OBSERVABLES IN THE OPTICAL… more
Abstract:A CHARACTERISTIC FEATURE OF MANY RHEUMATIC DISEASES IS THE PRESENCE OF CIRCULATING ANTINUCLEAR ANTIBODIES. ASSAYS BASED ON THE MEASUREMENT OF THESE ANTIBODIES ARE ESTABLISHED IN THE CLINICAL LABORATORY FOR THE DIAGNOSIS OF THESE DISEASES, BUT OFTEN WITHOUT THE BENEFIT OF HAVING WELL-CHARACTERIZED OR… more
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