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Propulsion

The Future of Space Propulsion

Significant challenges and advances in space propulsion have occurred over the past ten years. The end of the Cold War had significant impacts, both positive and negative. Operational systems now have to operate...

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Articles
Defense

On-Board Vehicle Power for Mobile Forces

Current threats on our military forces have created a tremendous requirement for mobility as it relates to mission specifications. The objectives of onboard vehicle power (OBVP) are to develop,...

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Products

Submersible Level Sensors

PT-500 submersible liquid level/pressure transmitters from Automation Products Group (Logan, UT) are cCSAus certified for use in Class I, Div. 1, Groups C and D, and Class I, Zone 0, Group IIB hazardous locations....

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Products

Thick Film Resistors

IRC (Corpus Christi, TX) offers the CMH Series of high-voltage thick film resistors with voltage ratings to 20,000V and resistance range from 330 to 1GΩ. The resistors are qualified to MIL-PRF-49462, and are...

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Products

Radiation-Tolerant FPGAs

Xilinx (San Jose, CA) has introduced radiation-tolerant Virtex®-4QV field programmable gate arrays (FPGAs) for processing needs of video, audio, radar streams, and packet processing functions in space...

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Products

Resin System

Epsilon 99100 benzoxazine RTM/VARTM resin system from Henkel Corp. (Bay Point, CA) is designed for composite structure in aerospace applications. The resin is stable at ambient temperatures for over a year as a one-part resin....

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Products

Access Control

Matrix Systems (Dayton, OH) offers Frontier® 5.7.5 access control software with a fault-tolerant door controller option with triple-tier data distribution redundancy. When the control of access or alarm point monitoring is...

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Products

Pressure Transducer

Omegadyne (Sunbury, OH) offers the PX5000 Series pressure transducer for applications such as flight testing. Using sputtered thin-film sensor technology, the transducer has a 100,000-hour MTBF rate and is stable to 0.1%...

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Products

Thermal Imaging Camera

L-3 Infrared Products (Dallas, TX) offers the Thermal-Eye® 2400xp Advanced thermal imaging camera that features BST infrared detector technology with 320 × 240 resolution and uninterrupted video and solar...

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Products

Bus Extension Systems

The FOMIS and FOL429 fiber-optic bus extension systems from AIM-USA (Omaha, NE) support test applications such as vehicle launch sites, anechoic chambers, and engine testing that require an extended distance between the...

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Products

Microchassis

Tripe E Corp. (Lowell, MA) has introduced a 2U microchassis for military, aerospace, and other harsh environment applications. The rack-mount unit features a flange that spans the entire depth of the unit, two fans, and...

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Products

Frequency/Phase Converters

The ED-FPC Series frequency and phase converters from Falcon Electric (Irwindale, CA) provide computer-grade power for sensitive equipment in military and aerospace applications. The rack-mount units range from 3...

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Products

Connectors

Fischer Connectors (Alpharetta, GA) offers AluLite Series aluminum connectors for electronic systems integrated into air, land, and sea-based applications. The compact, rugged connectors are used for mobile equipment such as...

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Products

Adhesive/Sealant

NuSil Technology (Carpenteria, CA) offers FS3-3730 fluorosilicone adhesive/sealant, a one-part, fast-curing, room-temperature vulcanizing silicone that bonds to most surfaces. It is designed to seal and bond without the need for a primer. It resists degradation when exposed to jet fuel, solvents, gasoline, or crude oil, making...

Briefs
Physical Sciences

Time-Coding of Asynchronous Data Transmissions

A method for providing a time code for multiple streams of simultaneously received data has been developed in order to allow reconstruction of the data after asynchronous transfer. It is often...

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Briefs
Physical Sciences

Thermal Technology System Acquires Heat Data to Count People

The Flowslide, developed by Royal Boon Edam Group Holding BV, is a combination of a revolving door and curved sliding panels, installed at Charles de Gaulle Airport, Paris. The...

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Briefs
Physical Sciences

Digital-Image Data Acquisition System for Turbulent Mixing and Combustion

An equipment and instrumentation system for high-speed digital image data acquisition and processing includes components for Planar Laser Induced Fluorescence (PLIF), flame-speed, and ignition and extinction measurements of laminar flames at variable pressure; tracking...

Briefs
Software

Tool for Processing and Displaying Genomics Data in Spreadsheets

ChromaBlast is a computer program that facilitates and accelerates processing and display of data by use of Microsoft Excel or other spreadsheet software that affords similar capabilities. The development of ChromaBlast was prompted by a need for improved means of analyzing and...

Briefs
Electronics & Computers

Magnetic Memory Devices for Embedded Computing

A program of research has been dedicated to the development of magnetic memory devices than can be incorporated into complementary metal oxide/semiconductor (CMOS) integrated circuits, wherein...

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Briefs
Photonics/Optics

Hybrid Micro-Electro-Mechanically Tunable Optical Filter

A prototype hybrid micro-electro- mechanically tunable optical filter (MEM-TF) based partly on an electrostatic-actuation principle has been built and tested as an essential component...

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Briefs
Materials

Silicon Nanowires for Anodes of Rechargeable Li Power Cells

Silicon nanowires have been investigated as alternatives to the graphite heretofore widely used as an anode material in rechargeable lithium-ion power cells. The theoretical...

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Briefs
Materials

Composites Containing Nanostructured Shape-Memory Alloys

A continuing program of research is devoted to understanding composite materials that include nanostructured shape-memory alloy (SMA) constituents and to developing methods of fabricating components from such materials. This research is intended to improve the utilization of SMAs in...

Briefs
Materials

Films Containing Nanostructures and/or Reactive Scavengers

Several advances have been made in research in the art of tailoring polymeric films to be, variously, (1) much more effective as barriers to diffusion of liquids and gases than they...

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Briefs
Physical Sciences

Perspective on Research in Laser Propulsion

A document summarizes the history of research on laser propulsion, starting with the first publication of the laser-propulsion concept in the year 1969, proceeding through studies of laser propulsion within the broader context of advanced propulsion systems in general, and culminating in...

Briefs
Physical Sciences

Some Advances in Understanding of Environmental Fatigue

A research program has yielded advances in understanding of numerous aspects of environmental crack propagation in aerospace aluminum alloys. From one perspective, the objective of this program was to quantitatively establish governing crack-tip-mechanics conditions and damage mechanisms...

Briefs
Physical Sciences

Cracking of Aluminum Panels Repaired With Composite Patches

An experimental study of the mechanical behavior of cracked aluminum specimens repaired with composite-material patches has yielded findings that may eventually contribute to the...

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Briefs
Information Technology

Software Virtual Networks Integrate Training and Operation of Wireless Net-Centric Warfare Systems

Military planners are aggressively developing network-centric warfare platforms that use wireless communications as a force multiplier. The...

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