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This project aims to develop nonpermeable thin-guage carbon tubing with an integral radial carbon fiber brush on its outer surface for enhanced heat transfer. The carbon tubing is derived from polyimide tubing. The radial fiber structure is created by electrostatic flocking. Coatings to block hydrogen permeation and to prtotect against erosion are applied by chemical vapor deposition. The proposed ...

WE WILL DEVELOP A REVOLUTIONARY OPTICAL TECHNOLOGY TO ENABLE COMPETITIVE PERFORMANCE (TERABIT/SEC COMMUNICATION BANDWIDTH) AND COSTS IN OPTOELECTRONIC COMPUTING SYSTEMS. THE BASIS OF THIS TECHNOLOGY IS TO COMBINE CONVENTIONAL MACRO-OPTICS WITH MICRO-OPTICS IN A SINGLE SYSTEM TO FORM A HYBRID LENS SYSTEM. THE HYBRID SYSTEM WILL HAVE THE ADVANTAGES OF BOTH MACRO- AND MICRO-OPTIC TECHNOLOGIES, THEREB ...

THE INDIVIDUAL CHIP INPUT/OUTPUT BOTTLENEXK HAS BECOME A PRIMARY LIMITATION ON COMPUTING CAPABILITY. THE PROPOSED INNOVATION OVERCOMES THIS BOTTLENECK BY OPTICALLY COUPLING ALL OF THE NODES ON ONE CHIP IN PARALLEL WITH ALL THE NODES ON THE CHIPS WITH WHICH IT COMMUNICATES. THE KEY INGRDIENT IS SDIO-SPONSORED UNIVERSITY RESEARCH INTO THE FABRICATION OF LIGHT EMITTING II-VI MATERIALS ON SILICON. BLU ...

BROADCOM HAS DEVELOPED AN AUTOMATIC LOCATING, TRACKING AND MULTIPLE BEAM MICROWAVE COMMUNICATION SYSTEM WHICH IT HAS PRESENTED TO ESD WITH HIGH POSITIVE RESPONSE. A MAJOR ISSUE IS THE JAM IMMUNITY OF THE SYSTEM AGAINST THE ANTICIPATED THREAT. THIS EFFORT WILL INVOLVE THREE PHASES, THE ESTABLISHMENT OF THE THREAT, THE EVALUATION OF THE THREAT AGAINST AT LEAST TWO SYNAPSISTEM ARCHITECTURES AND A RED ...

Selective catalytic reduction (SCR) is the most common exhaust-gas-treatment process being used today to control NOx from stationary combustion units. However, SCR has some disadvantages. For example, SCR is very expensive to install and to operate; it employs catalysts that are easily blinded; it requires ammonia additions that sometime slip through the catalyst beds; it generally performs satisf ...

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 STUDIES WILL BE MADE ESPECIALLY FOR THIS SHAPE, MASS DISTRIBUTION AND AIRLOAD. MODERN HIGH-STRENGTH AND ST ...

1Leonard Associates proposes to establish a Reliable Composite Sandwich Structure by synergistically combining the elements of the systems, i.e. face sheet, adhesive and core. This will include evaluating and testing alternative sandwich structure from the standpoint of weight, cost, producibility, and suitability. The goal is to recommend 2-3 combinations of face sheet, core and adhesive for Phas ...

OPTICAL COMPUTERS ARE RECOGNIZED AS POTENTIALLY USEFUL ELEMENTS IN THEQUEST TO MEET THE INTENSE BATTLE MANAGEMENT COMPUTATIONAL REQUIREMENTSOF STRATEGIC DEFENSE. CURRENTLY, OPTICAL COMPUTERS ARE GREATLY LIMITED IN PERFORMANCE BECAUSE NO EXISTING NONLINEAR LIGHT MODULATION DEVICE SIMULTANEOUSLY OFFERS FAST OPTICAL SWITCHING WITH THRESHOLD HIGH GAMMA, HIGH SPATIAL BANDWIDTH, LOW POWER DISSIPATION, O ...

A NEED EXISTS FOR A LOW COST, PREFERABLY HANDHELD ADVANCED SEARCH AND RESCUE SURVIVAL RADIO WHICH NOT ONLY PROVIDES FOR THE TRANSMISSION OF EMERGENCY SIGNAL ON ALL THREE OF THE CARRIERS (ELT, CPL, INTERNATIONAL EMERGENCY SIGNAL TRANSMISSION) BUT ALSO PROVIDES AN EMERGENCY VOICE TRANSCEIVER OPERATING AT 282.8 MHZ. SIGNAL ENGINEERING PROPOSES DEVELOPMENT OF A COMPREHENSIVE SPECIFICATN FOR THE BEACON ...

The development of a simple, reliable, and easily operated system to detect and measure airborne lead (Pb) to trace levels is the subject of the Phase I effort. Lead is toxic to humans at very low levels and is ingested easily by breathing air in which elemental Pb or compounds of this element are dispersed. In firing ranges there is an opportunity for shooters and range personnel to be exposed to ...