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Articles Defense
Comparing Blade-Element Momentum Modeling to 3-D CFD
Many small unmanned aerial vehicles (SUAVs) are driven by small-scale fixed-blade propellers, and the flow produced by the propeller can have a significant impact on the aerodynamics of the...
Articles Defense
Europe's Aerospace Industry Looking Confident
Talk of further consolidation within Europe’s dynamic aerospace sector has been on the lips of industry watchers for several years, but although the major European-based global players have not...
Articles Aerospace
Advances and Challenges in Developing Radar Applications
Radar is used to detect and/or track target objects and their attributes, such as range, speed, and other information obtained through signals at RF and microwave frequencies. The broad...
Global Vehicles Transportation
VW’s New E-Golf May Lead the Way to Lithium-Air Power
Herbert Ruholl, Volkswagen’s Head of Technical Projects Management, e-Vehicles, has an answer for critics of the hitherto slow progress of battery development: “We expect the next...
Briefs Manufacturing & Prototyping
Manufacturing Robotic Tools for Piping Inspection and Repair
Fleet piping systems are complex, space-constrained systems that are difficult to inspect using standard external inspection techniques. Pipe lagging, as well as limited space, makes...
Briefs Materials
Fabricating Porous Systems for Super-Dense Memories and Sensors
This project was dedicated to solving basic scientific issues and developing the scientific basis that underlies the improvement of super-dense memories, towards the terabit-per-square-inch goal and the engineering of chemical and biological sensors. Both applications rely on porous...
Briefs Photonics/Optics
Design and Fabrication of a Radio Frequency Grin Lens Using 3D Printing
Engineered electromagnetic materials and meta-materials have been researched to explore devices that enable access to electromagnetic properties that are not available in nature. This new class of devices can not only open the door to new functionality, but also be effectively...
Briefs Manufacturing & Prototyping
Preparing Carbon-Coated Current Collectors for High-Power Lithium-Ion Secondary Batteries
Achieving high-power capability of a battery requires minimizing the overall resistance of the electrochemical system. For lithium-ion batteries, much...
Articles Defense
Hybrid-electric distributed propulsion explored
A turboelectric distributed propulsion (TeDP) system is a powertrain consisting of a turboshaft engine used solely to provide electrical power through a generator to electric motors driving...
Technology Update Test & Measurement
Enabling high-strength composites to reach their full potential
The use of composite materials for construction of aerospace components began in the early 1980s and is now the material of choice for commercial and military airframe designers....
Technology Update Aerospace
Designing quieter aircraft via acoustic simulation
Greater fuel efficiency and low emission requirements have grown into such an urgent imperative in aircraft design that it often overshadows an equally significant factor in air travel—noise.
Application Briefs Aerospace
Transparent Display Technology
Edgewood Chemical Biological Center Aberdeen, MD 410-436-7118 www.ecbc.army.mil The U.S. Army Edgewood Chemical Biological Center (ECBC) has partnered with the Massachusetts Institute of Technology’s Institute...
Application Briefs Software
Spatial Disorientation Flight Simulator
Environmental Tectonics Corporation (ETC) Southampton, PA 215-355-9100 www.etcusa.com Aircrew Training Systems (ATS), a division of Environmental Tectonics Corporation, has been selected by the U.S. Army...
Application Briefs Defense
Multi-Role Close Air Support Weapon
MBDA Arlington, VA 703-387-7136 www.mbda-systems.com MBDA recently demonstrated its Dual Mode Brimstone (DMB) missile on an MQ-9 Reaper Remotely Piloted Aircraft (RPA), scoring nine direct hits against a...
Products
Rackmount Computer
The Trenton TMS4703 4U rackmount MIL-STD military computer from Trenton Systems (Gainesville, GA) is designed for mounting in a 19" component rack or a transit case. The TMS4703 has flexible MIL-DTL-38999 and MIL-STD-1553...
Products
Laser Encoders
HS10/HS20 laser encoders from Renishaw (Hoffman Estates, IL) allow Flow International Corporation’s Composite Machining Center (CMC) to machine 40-meter-long composite parts. With the precision of a laser interferometer, the...
Products
Power Amplifiers
The Airborne Pulse HPA from Empower RF Systems (Inglewood, CA) features UHF and LBand pulse amplifiers tied to a shared power supply and delivering 1 kW and 3 kW pulse power, respectively. Each amplifier is housed in a 3U...
Products
Tube Heaters
Birk Manufacturing (East Lyme, CT) has announced RAPT°R (Rigid and Pliable Tube of Resistance), a heated delivery system that ensures that any liquids or gases transported will remain at the same temperature or arrive at an...
Products
Avionics Digital Panel Meter
Specifically designed to replace “needle” meters in military aircraft, the new APM model from OTEK Corp. (Tucson, AZ) conforms to military and commercial 1"-diameter standards, as well as a variety of...
Products
Integrated Circuits Support
Rochester Electronics (Newburyport, MA) has expanded manufacturing and support services of obsolete and active MIL-STD-883 and MIL-PRF-38535 integrated circuits. Through its Extension-of-Life® products, Rochester...
What's Online RF & Microwave Electronics
BMW Shows Plug-In Hybrid Electric Based on X5 Sports Activity Vehicle
BMW's forthcoming plug-in hybrid electric vehicle (PHEV), based on the X5, reflects a combination of high performance and sophistication in its approach to controls and...
News Transportation
Lighter, Stronger Chassis
The Counter Pressure Casting (CPC) process is particularly suited for the production of aluminum suspension components such as wheel carriers and steering knuckles. Using a typical AlSi7Mg alloy such as A356 or EN...
Articles Electronics & Computers
Watching for Ways to Stand ABOVE THE CROWD
Whether design teams are responding to the demand for more features and functions or meeting regulatory requirements, they’re using sensors to link digital controls to the analog world. Sensor...
News Manned Systems
Systems-engineering a New 4x4 Benchmark
"We set a high target for this program: Create the industry’s most fuel-efficient four-wheel-drive system, with the greatest off-road capability and functionality,” said Mike Kirk, Chrysler’s...
News Transportation
Achates Aims at 2025 Light-truck Power
It’s autumn 2024, and you’re at the local auto mall shopping for a new pickup truck — one that delivers the 32-mpg fuel economy required of full-size trucks for the upcoming model year. As the...
Products Aerospace
Integrated Servo Motor
Designed for battery-powered and low-voltage applications, the MAC402 from JVL is the VDC version of the MAC400 400-W integrated servo motor. The supply range for the MAC402 is 12 to 48 VDC, and full power of 400W (RMS)...
Products Aerospace
Nano Circular Connector
TE Connectivity’s CeeLok FAS-T nano circular connector is a nano-miniature, rugged I/O connector capable of meeting 10 gigabit Ethernet performance. The proven, noise-canceling contact configuration minimizes crosstalk, making it suitable for a variety of markets and applications, including missiles, UAVs, soldier systems,...
Products Defense
PEEK Wear Compounds
The LUVOCOM 8000 series of PEEK wear compounds from Lehvoss North America incorporates proprietary additives that further elevate the wear resistance of PEEK compounds. Through research and testing, Lehvoss designed the LUVOCOM 8000 product line to have a tribological profile significantly surpassing previously known materials...
Products Aerospace
Wire Grid Polarizers
High-contrast IR wire grid polarizers from Edmund Optics are suited for broadband IR applications that require high transmission and contrast, including spectroscopy and thermal imaging. The polarizers are made by applying a thin layer of aluminum microwires to a glass window. They are designed using a lightweight, thin silicon...
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F-22 Pilot Controls Drone With Tablet
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New Defense Department Program Seeks 300,000 Drones From Industry by 2027
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Webcasts
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SAE Automotive Engineering Podcast: Additive Manufacturing
Information Technology
A New Approach to Manufacturing Machine Connectivity for the Air Force
Automotive
Optimizing Production Processes with the Virtual Twin
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EV and Battery Thermal Management Strategies
Manufacturing & Prototyping
How Packet Digital Is Scaling Domestic Drone Battery Manufacturing
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Advancements in Zinc Die Casting Technology & Alloys for Next-Generation...