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The proposed study will evaluate the feasibility of using an optical sensor (structured lighting/image processing) to detect gap and tape/tow widths for automated composites fabrication processes such as tape laying, tow placement, and filament winding. The sensor will serve as a real-time, quality-control monitor during fabrication, which will allow for production of consistently higher-quality ...

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THIS PROPOSAL DESCRIBES THE EVALUATION OF REQUIREMENTS FOR REMOTE WEATHER SAMPLING SYSTEMS APPLIED TO A SPECIFIED UNMANNED METEOROLOCIALRECONNAISSANCE AIRCRAFT. DATA TO BE GATHERED INCLUDE CLOUD STATISTICS, WATER CONTENT AND PARTICLE SIZE, DENSITY AND WIND. LIQUID WATER CONTENT MEASUREMENT IS CONSIDERED BASED ON USING EXISTING INSTRUMENTS AND THE PROPOSER'S CONCEPTUAL DESIGN OF A NEW INSTRUMENT. D ...

An advanced ceramic heat recuperator (ACHR) incorporates thin corrugated,d triangular-shaped flow channels made of non-oxide ceramics with high thermal conductivity and high fracture toughness. A counterflow arrangement together with the unique design of the flow channels makes the ACHR highly efficient, highly reliable and compact. A key processing innovation is also made for fabrication of the ...

Current techniques for the production of spherical, micron size, monodisperse metal powders such as comminution, atornization and gas phase synthesis cannot produce reactive metal powders on a large-scale while maintaining a pure surface. Coating of these highly reactive metal powders with a passivating layer requires special handling. Conventional processing techniques such as fluidized bed and ...

A PROGRAM IS HEREIN DESCRIBED THAT WILL ESTABLISH THE POSSIBLE IMPROVEMENTS IN EXISTING RESTRAINT SYSTEMS AND THROUGH A CONCEPTUAL AND DEVELOPMENTAL TRADEOFF PHASE, ESTABLISH FEASIBILITY OF AT LEAST ONE CONCEPT THAT WILL REPRESENT A QUANTUM STEP IN THE PERFORMANCE OF CREW RESTRAINT SYSTEMS. THE PROGRAM CONSISTS OF CONCEPT TRADEOFF, OPERATIONAL AND STATIC AND DYNAMIC TESTING, AND SELECTION OF A CON ...

The proposed program is to develop the use of aqueous biopolymers for the solid freeform fabrication of ceramic components. It will be a collaborative effort between ACR and Battelle PNL. PNL has expertise in colloidal ceramic processing and experience on utilizing biopolymers in ceramic slurries. ACR has already developed extensive software and hardware capability for solid freeform fabricatio ...

DEVELOPMENT IS PROPOSED OF A SMALL, SELF-CONTAINED POWER UNIT CAPABLE OF OPERATING UNATTENDED FOR LONG PERIODS WITH GREAT RELIABILITY. THE UNIT IS INTENDED FOR INCORPORATED AS THE STORAGE BATTERY TRICKLE CHARGER IN A DATA GATHERING AND COMMUNICATIONS SYSTEM FOR THE ARCTIC AND OTHER REMOTE ISOLATED AREAS. THE ENERGY SOURCES ANTICIPATED FOR THE POWERUNIT INCLUDE NUCLEAR (RADIOISOTOPE) AND CHEMICAL ( ...