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Briefs Mechanical & Fluid Systems
Thermal Analysis and Microhardness Mapping in Hybrid Laser Welds in a Structural Steel
The concept of combining a laser welding system with a conventional arc welding system (GTAW) was first proposed in order to improve the stability of the laser welding system and to allow greater flexibility in part fit-up. Prior research stated that using a YAG...
Briefs Mechanical & Fluid Systems
Reverse Pressure Capable Finger Seal
Each finger seal consists of a number of multiple thin metal laminates, each with a multitude of flexible projections that are referred to as “fingers.” To form a functional seal, multiple laminates are...
Briefs Manufacturing & Prototyping
Operation and On-Chip Integration of Cavity-QED-Based Detectors for Single Atoms and Molecules
A new experimental platform for studies of transport and quantumlimited measurements of cold, trapped atomic gases was constructed. Using microfabrication processes, a silicon wafer was micromachined to allow for deposition of micrometer-scale...
Briefs Manufacturing & Prototyping
Direct-Write Polymer Nanolithography in Ultra-High Vacuum
The deposition of materials in vacuum is the foundational technology for creating modern electronic circuits; a vacuum being essential both to preserve the cleanliness of the substrate...
Products Software
MIL-STD-1553 Development Kit
Data Device Corporation (Bohemia, NY) has released the Total-AceXtreme™ MILSTD- 1553 hardware/software development kit. The package includes design documentation, simulation models, and software so that users can...
Products Mechanical & Fluid Systems
Wire Thread Insert
Spiralock (Madison Heights, WI) has introduced its 2-56 Drive Notch™ (DN™) tang-free wire thread insert. Spiralock’s Drive Notch inserts feature a patented 30-degree “wedge” ramp formed into a 5-sided wire. The...
Products Mechanical & Fluid Systems
Flow Switch
The Model 1100 from Thomas Products (Southington, CT) is an inline flow sensor that monitors insufficient or excessive flow rates of liquids. A magnet-equipped shuttle is displaced at the proper calibrated flow of liquid to actuate...
Products Software
RF Design Software
Agilent Technologies (Santa Clara, CA) offers EMPro 2011.11 Electromagnetic Professional software, a 3D modeling and simulation platform that features enhancements to further speed and improve RF design and verification....
Application Briefs Software
AWACS Real-Time Operating System
LynuxWorks, Inc. announced recently that the Mission Systems and Sensors Division (MS2) of Lockheed Martin in Owego, NY, selected the LynxOS real-time operating system (RTOS) and Luminosity Integrated...
Briefs Software
Computational Cameras
A computational camera uses a combination of optics and software to produce images that cannot be taken with traditional cameras. A variety of computational cameras has been demonstrated; some designed to achieve new...
Products Software
3D Modeling Software
VISTAGY (Waltham, MA) has released SyncroFIT® 2011, which allows airframe manufacturers to implement advanced manufacturing processes. CAD designers can use the software to define and manage fasteners, holes, joints, and...
Briefs Mechanical & Fluid Systems
Reactive Structure and Smart Armor for Future Ground Vehicles
AReactive Structure Technology (RST) is a new class of smart structure that can react to external excitations (such as blast or ballistic impacts) in a carefully designed way using...
Briefs Manufacturing & Prototyping
Fabrication of Carbon Nanotube Channels on Three- Dimensional Building Blocks
Single-wall carbon nanotubes (SWNTs) are the most attractive material in the fields of nanoscience and nanotechnology due to their chemical, physical, and electrical...
INSIDER Software
Army Implements Vehicle-Based Common Operating Environment
On the dynamic and complex battlefield, the Common Operating Environment will streamline communications between Soldiers in vehicles and higher headquarters, creating seamless...
INSIDER Software
Atomic Weapons Defense Testers Mark Major Milestones
Two remarkable pulsed-power machines used to test the nation’s defenses against atomic weapons have surpassed milestones at Sandia National Laboratories: 4,000 firings, called ‘shots,’...
Briefs Manufacturing & Prototyping
Fabrication of Novel Transparent PMMA Composites for Optical Tagging
The emerging threats caused by improvised explosive devices (IEDs) have drastically increased concerns about soldier survivability. The ability to identify “friend vs....
Briefs Software
Software System for Microbial Genome Sequence Annotation
The annotation of genomes from next-generation sequencing platforms needs to be rapid, high-throughput, and fully integrated and automated. Although a few Web-based annotation services have recently become available, they may not be the best solution for researchers that need to annotate a...
News Defense
Army Tests High-Tech Helicopter Simulator
The Army is using a new helicopter simulator, called the Non-rated Crew Member Manned Module (NCM3), to train helicopter crews on the rear of both the CH-47 Chinook and UH-60 Black Hawk. Through specially created virtual reality glasses, which fit the same as night vision goggles, soldiers can practice and...
Briefs Electronics & Computers
Test and Evaluation Uses of Heterogeneous Computing
T est and evaluation of current systems is a time-consuming process that reflects both the intricacies of the object of the test and the range of equipment, personnel, and environments required. Many argue that this process consumes far too much of the time that it takes to put new systems into...
Briefs Manufacturing & Prototyping
Fabrication of Transparent Carbon Nanotube Films for OLED Applications
The process to prepare single-wall carbon nanotube (SWCNT) solutions with a good degree of dispersion of individually isolated SWCNTs and very thin SWCNT bundles was...
Briefs Software
Environmental Awareness of Sensor and Emitter Employment
Many Army missions rely on effective sensing capabilities that provide intelligence on the adversary, and protect friendly forces from enemy detection. Sensors that are stationary (microphones, geophones, and ground-based radars) and moving (cameras on unattended aerial vehicles and ground...
Products Materials
Borosilicate Glass
SCHOTT North America, Inc. (Louisville, KY) presents SUPREMAX® 33 rolled borosilicate glass for telescope applications. SUPREMAX 33, which has the properties of SCHOTT’s BOROFLOAT® 33, provides low thermal expansion, high...
Briefs Mechanical & Fluid Systems
Wheel Force Transducer
Aconcept wheel force transducer has been developed that can measure the forces and moments between a tire and a road on a High Mobility Multi-purpose Wheeled Vehicle (HMMWV or Humvee) driven under off-road conditions. The...
Briefs Mechanical & Fluid Systems
Variable-Thrust, Multiple-Start Hybrid Motor Solutions
Interceptor boost propulsion has traditionally been dominated by solid rocket systems due to their responsiveness and high mass fraction capabilities. However, increased costs of handling...
Briefs Manufacturing & Prototyping
Development of Soldier Conformable Antennas Using Conducting Polymers
Soldiers performing dismounted operations in the field use radios that have antennas with a distinct visible signature and can become easy targets. These antennas also tend...
Products Software
Bus Analyzer Plus Data Reconstruction
Data Device Corporation (DDC) (Bohemia, New York) has added data reconstruction and troubleshooting capabilities to its dataSIMS bus analyzer software. Reconstruction, or On-Line Replay, mode enables users...
Briefs Mechanical & Fluid Systems
Parallel Hybrid Vehicles Using Fuzzy Logic Control
A fuzzy logic controller for hybrid vehicles with parallel configuration was proposed. Using the state-of-charge (SOC) of the energy storage, the driver command, and the motor/generator speed, a set of rules was developed. The fuzzy logic controller can determine the split between the electric...
Briefs Mechanical & Fluid Systems
Nozzles for Focusing Aerosol Particles
Several nozzles have been designed to aerodynamically focus aerosol particles into a small-diameter jet, so that individual particles can be illuminated by a laser beam and their light scattering and/or laser-induced fluorescence (LIF) spectra can be measured. An additional nozzle can aerodynamically puff...
Briefs Materials
Functionalized Silk Materials
T he goal of this work was to exploit the novel structural, physical, and biological features of silk proteins towards functionalization of materials systems generated from this family of protein. A new generation of functional silk systems is sought to provide novel materials with precise control of material features....
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