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Briefs
Electronics & Computers

Evaluation of Four Methods of Reconfiguring an FPGA

A study was performed to evaluate the relative merits of four methods of reconfiguring a field-programmable gate array (FPGA) in response to detection of a faulty configurable logic block...

Briefs
Electronics & Computers

Asynchronous Architectures for Large-Integer Processors

New architectures have been developed for cryptographic hardware that offer high throughput, algorithm flexibility, radiation hardness, and low power. The asynchronous (clockless) architecture combines a dedicated large-integer processor (LIP), a field programmable gate array (FPGA), and a...

Briefs
Electronics & Computers

Using High-Performance Computing Clusters to Support Fine-Grained Parallel Applications

A heterogeneous cluster comprised of host processors and field programmable gate arrays (FPGAs) was used to accelerate the performance of parallel...

Briefs
Electronics & Computers

Implementing On-Board Cloud Detection on a Reconfigurable Computer

Reconfigurable Computers (RCs) combine traditional microprocessors with field programmable gate arrays (FPGAs), and are characterized by lower form/wrap factors compared to...

Briefs
Materials

Polymer Matrix Composite Materials for a Structural Multifunctional Fuel Cell

A structural multifunctional fuel cell design enables material elements participating in power or energy processes to also carry significant structural loads....

Briefs
Materials

Mechanical Response of an Al-PTFE Composite to Uniaxial Compression Over a Range of Strain Rates and Temperatures

Reactive materials can be loosely categorized as composites of inert solid materials which, when subjected to a violent...

Briefs
Materials

Novel Conductive Coatings of Carbon Nanotubes

Carbon nanotubes (CNTs) are the material of ever-increasing concern due to their excellent electronic and physicochemical properties. Currently, research has been focused towards their applications for use in chemical and biological sensors as well as their use in optoelectronic devices. One of the...

Briefs
Mechanical & Fluid Systems

Water Mist System for Shipboard Machinery Space Fires

Water mist has been determined to be a preferred alternative to Halon 1301 total flooding to extinguish fires occurring in ship machinery spaces and pump rooms, because it is...

Briefs
Mechanical & Fluid Systems

Axial Field Electric Motor

An axial field electric motor comprises one or more elements such as a rotor mounted for rotation and multiple axial flux permanent magnets carried by the rotor. The axial flux permanent magnets are oriented such...

Briefs
Physical Sciences

Miniature Rotorcraft Flight Control Stabilization System

Autonomous rotorcraft provide improved capability in performing military missions such as reconnaissance, targeting, border patrol, and environmental sensing. A common difficulty in...

Briefs
Physical Sciences

Studies of Dynamic Fracture in Brittle Materials

A program of research spanning several years ending in November 2005 was dedicated primarily to formulation and analysis of canonical boundary- value problems in mathematical modeling of dynamic fracture in brittle materials. The sub-topics within the broad topic of dynamic fracture in brittle...

Briefs
Physical Sciences

Acceleration Strain Transducer Containing Cantilever Flaps

A recently invented acceleration strain transducer is based on the principle of a conventional spring-and-mass acceleration transducer combined with a linear strain sensor that...

Briefs
Physical Sciences

Simulation of Airflow Through a Test Chamber

A computational-simulation study of the flow of air through a thermo-anemometer chamber was performed to resolve what originally seemed to be an anomaly in the measurement data obtained by use of...

Briefs
Information Technology

Study of Submodeling of a Small Component in a Structure

A study was performed to evaluate the accuracy achievable in the use of submodeling in finite-element modeling of the mechanical response of a structural system that includes...

Briefs
Information Technology

Next-Generation Information Systems Architectures

A document describes a paradigm in which low-altitude unmanned aerial vehicles (UAVs) with wireless communication capability are used to assist networking among a set of ground stations. This new paradigm is attractive because UAVs can be dynamically deployed in a wide variety of geographical...

Articles
Weapons Systems

Weapon and Armor System Power in Future Combat Vehicles

Future combat vehicles will require unconventional weapons and armor systems such as electromagnetic (EM) or electrothermal chemical (ETC) guns, electromagnetic (EM) armor, and...

Articles
Aerospace

Detecting Improvised Explosive Devices in Urban Areas

Improvised explosive devices (IEDs) are rudimentary bombs that generally consist of commonly found non-military materials. Although common IED threats include roadside bombs, suicide...

Tech Transfer Reports
Materials

Ceramic Manufacturing Technique Opens New Markets

Traditionally, ceramics have been thought of as hard and brittle, yet able to tolerate high temperatures. Now, Advanced Ceramics Research (ACR) of Tucson, AZ has developed a method of...

Tech Transfer Reports

New Micromachining Method Upgrades Microfluidic Chip Technology

Someday, you may be able to go to your neighborhood drugstore and choose from a diagnostic kit that can test for high cholesterol, a faulty gene that predisposes you to...

Products

Satellite Phone

The 9555 satellite phone from Iridium Satellite LLC (Bethesda, MD) is compact and features an intuitive user interface, speakerphone, Short Messaging Service and e-mail capabilities, an upgraded mini-USB data port, and an...

Products

Signal Translator

Luxul Wireless (Lindon, UT) has released the Shock- WAV™ frequency-translating amplifier (FTA) for use in secure military, defense, and homeland security applications. The FTA converts signals generated by commercial...

Products

Messaging Communications Bus

Real-Time Innovations (Sunnyvale, CA) offers RTI Data Distribution Service, Safety-Critical Edition, a smallfootprint version of real-time messaging middleware to meet safety certification standards such as...

Products
Sensors/Data Acquisition

Submersible Pressure Sensors

The AST4520 media-isolated, submersible pressure sensor from American Sensor Technologies (Mt. Olive, NJ) features a flush diaphragm steel cage design with stainless steel construction for level monitoring of...

Products
Aerospace

Avionics Bus Box

Ballard Technology (Everett, WA) offers the Avionics BusBox 2000 Series, a DO-160 box designed for rugged environments. The embedded computer has built-in interfaces for standard peripherals and various avionics databases....

Products

Aerospace Engine Components

Sandvik Coromant (Fairlawn, NJ) has released an Aerospace Engine Solutions Package that contains five standard products to support the aerospace engine industry. The GC1115 is a PVD-coated grade for high-temperature alloys that offers wear resistance; the CoroCut angled inserts are a grooving system that uses 24...

Products

Thermal Wind Tunnel

OMEGA Engineering (Stamford, CT) offers the WT-2000 thermal wind tunnel in a portable, benchtop design. Made of clear polycarbonate and PVC, it is designed to provide uniform and repeatable airflow up to 1000 fpm. The...

Products

Robotic Platform

The Chaos™ robotic platform from Auton - omous Solutions (Logan, UT) is designed to remotely access hazardous areas previously accessible only by foot, reducing risk to personnel. The robot is able to navigate over rough,...

Products

Air-Cooled Enclosures

Carlo Gavazzi Computing Solutions (Brockton, MA) has introduced the 715 Series of recirculating, air-cooled, rugged ATR enclosures for protection of commercial off-the-shelf convection-cooled cards de ployed in caustic...

Products

Aerospace Seals

Trelleborg Sealing Solutions (Fort Wayne, IN) has introduced Turcon® Varilip® PDR industrial seals for the aerospace industry. They are designed for high-speed rotating applications, and are constructed from one or multiple...