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THIS PROJECT IS DESIGNED TO STUDY A NEW CONCEPT FOR THE AUTOMATION OF STS OPERATIONS EMPLOYING A SYNERGISTIC COMBINATION OF EXISTING OPTOELECTRONIC SUBSYSTEMS INTEGRATED BY MICROPROCESSOR INTELLIGENCE. THE DROID IS A ROBOT PILOT WHICH UTILIZES A LASER RANGEFINDER, A LASER INTERFEROMETER, A LASER DIODE ARRAY, A QUADRANT RECEIVER AND AN OPTICAL CONTRAST VIDEO TRACKER TO PRODUCE PRECISE INFORMATION O ...

THIS PROJECT IS DESIGNED TO STUDY A NEW CONCEPT FOR THE MINIATURIZATION OF DATA ACQUISITION AND TELEMETRY UNITS FOR APPLICATION IN WIND TUNNEL INSTRUMENTATION. THE PROPOSED MIRDAT SYSTEM INCLUDES TELEMETRY TRANSMITTER UNITS (TTUS) WHICH COLLECT SIXTEEN CHANNELS OF ANALOG DATA, THREE CHANNELS OF PULSED DIGITAL DATA AND FOUR BINARY STATUS BITS. THE TTU TRANSMITS DATA BY MEANS OF FREE SPACE, PULSED I ...

REMOTE SENSING AND RANGE-RESOLVED MEASUREMENTS OF ATMOSPHERIC GASES, AEROSOLS, BIOLOGIC SPECIES, PHYSICAL PARAMETERS OF ATMOSPHERE AND OCEANS, AND GEOLOGIC MINERALS WITH COHERENT LIGHT PULSES IS AN EMERGING TECHNOLOGY WHICH IS ONLY CONSTRAINED BY THE AVAILABILITY OF SUITABLE NARROWBAND TUNABLE LASER SOURCES. THIS PROJECT ADDRESSES THE DEVELOPMENT OF AN ADVANCED, COMPACT MULTIGAS LASER FOR AIRBORNE ...

IN 1982, A SPECIAL COMMITTEE OF THE NMAB ISSUED A REPORT ON THE NONDESTRUCTIVE METHODS THAT MIGHT BE USED TO MEASURE THELOGITUDINAL FORCE IN INSTALLED RAILS. IT SHOWED THAT THE ACOUSTO-ELASTIC EFFECT WHICH INFERS THE STRESS FROM MEASURE MENTS OF SMALL SHIFTS IN THE VELOCITY OF SOUND WAS PROMISINGBUT DIFFICULT TO IMPLEMENT BECAUSE VARIATIONS IN THE METALLURGICAL STRUCTURE OF THE METAL AND UNCERTAIN ...

THE DEVELOPMENT OF A SPACE QUALIFIABLE PULSED CO2 LASER SYSTEM FOR REMOTE SENSING OF THE ATMOSPHERE IS A DIFFICULT PROBLEM MADE MORE DIFFICULT BECAUSE OF PRESENT PULSED CO2 (TEA) LASER CHARACTERISTICS SUCH AS HIGH OPERATING VOLTAGE, LOW EFFICIENCY, AND RELATIVELY SHORT LIFE EXPECTANCY UNDER SEALED CONDITIONS. THIS PROJECT EXAMINES THE FEASIBILITY OF APPLYING A UNIQUE LOW-VOLTAGE, COMPACT, EFFICIEN ...

THERMAL MANAGEMENT IS EMERGING AS A KEY AND SOMETIMES ENABLING TECHNOLOGY IN FUTURE SPACE MISSIONS. HEAT PIPES ARE A KEY ELEMENT IN THERMAL MANAGEMENT TECHNOLOGY. GROWTH VERSIONS OF THE SPACE STATION WILL REQUIRE HEAT PIPE HEAT ACQUISITION CAPABILITY OF 10 W/CM(2) AND HEAT TRANSPORT CAPABILITY OF 5000 WATTS OVER 50 FEET. THESE REQUIREMENTS HAVE NOT BEEN MET IN AMBIENT TEMPERATURE ALUMINUM/AMMONIA ...

FULL, EFFECTIVE USE OF THE THERMAL BUS ON THE SPACE STATION WILL REQUIRE UNIVERSAL THERMAL/MECHANICAL MOUNTING PLATES FOR POWER DISSIPATING EXPERIMENTS AND PERMANENT EQUIPMENT. THIS PROJECT INVOLVES PHASE I OF A PROGRAM TO DEVELOP A HIGH PERFORMANCE MODULAR THERMAL MOUNTING POSITION FOR SPACE STATION USE.