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Briefs Physical Sciences
Detecting Maritime Radiological/Nuclear Threats with Hybrid Imaging
The SuperMISTI detection system is a hybrid detection, identification, and imaging system for sources of gamma-ray radiation at stand-off distances. The system is based on the...
Briefs Physical Sciences
Testing Particle Counters for Detection of Fuel Contamination
Fuel quality assurance is accomplished by conducting periodic fuel sampling for the condition monitoring of aviation fuel by detecting, measuring, and reporting the levels of...
News RF & Microwave Electronics
Punch Powertrain Pushes Its Flywheel-CVT Hybrid Technology
Automakers charge more for hybrid-electric vehicles than standard cars because hybrids need costly batteries as well as motor/generators and power electronics to cut fuel...
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...
News Mechanical & Fluid Systems
Chrysler's New Hellcat V8 Gets 707-Hp SAE Rating
Powertrain engineers love understatement—as well as a bit of deception. That was made clear recently when Chrysler announced that its new "Hellcat" Hemi V8 will be SAE J1349-rated at 707 hp...
News RF & Microwave Electronics
TI Predicts That Low Energy Bluetooth Will Displace Cables
Texas Instruments hopes to extend the role of Bluetooth with one of the first devices that use Bluetooth Smart, a low-power version of the standard that’s already a mainstay in...
News Propulsion
RCCI Engine Begins In-Vehicle Demonstration Testing
Higher fuel efficiency and reduced exhaust emissions are two potential benefits associated with Reactivity Controlled Compression Ignition (RCCI), an engine combustion technology that...
News Automotive
Dual-Use Heater Core Contributes to Better Vehicle Fuel Economy
Imagine a vehicle towing a 3000-lb (1360-kg) trailer up a 6% grade on a 110°F (43°C) day. This scenario describes less than 1% of driving time, but 100% of vehicles have...
Briefs Aerospace
Supervisory Control State Diagrams to Depict Autonomous Activity
The military seeks to enable agile and adaptive mission management and control for a team comprised of unmanned aerial vehicles (UAVs), unattended ground sensors (UGS), dismounted...
Briefs Aerospace
Aerodynamic Modeling of a Flapping Wing Unmanned Aerial Vehicle
The phenomenon of flapping wing flight in nature has been studied for centuries. Recently, flapping flight for unmanned aerial vehicle (UAV) applications has become of interest....
Briefs Unmanned Systems
Queuing Model for Supervisory Control of Unmanned Autonomous Vehicles
One critical aspect in developing a quantitative model of unmanned autonomous vehicle (UAV) operator and system performance has been to adopt a task-centric approach to...
Briefs Information Technology
Real-Time, High-Fidelity Simulation of Autonomous Ground Vehicle Dynamics
Integrated simulation capabilities that are high-fidelity, fast, and have scalable architecture are essential to support autonomous vehicle design and performance...
News Automotive
Hardware Variation Remains a Challenge for Modular Platform Solutions
Despite the burgeoning success of highly effective single platform modular solutions that can span sports car to SUV applications, and the broadening of electronically...
Technology Report Automotive
Novel Nanocatalysts for Fuel Cells
One of the biggest obstacles to widespread adoption of clean hydrogen fuel cell-powered cars and trucks is the high price and rarity of the platinum and platinum-family catalysts that the stacks need to...
News Software
Honda, Peugeot Stylists Make Digital Renderings a Focal Point of Design
As stylists transition to digital designs with fewer physical prototypes, they are seeking more realistic real-time graphics. Honda and PSA Peugeot Citroën have each...
Technology Report RF & Microwave Electronics
Vehicle Network Security Highlighted in New Concept
The Visteon- and Cisco-developed OASIS (Optimized, Adaptable, Secure, Intelligent, Seamless) concept makes secure car-to-cloud communications the prerequisite for unlocking vehicle network...
News Power
SwRI’s D-EGR Demo Car Wows SAE Engines Symposium with 42% BTE
Aside from the colorful decals plastered on its body, the 2012 Buick Regal GS appears to be stock. But underneath its skin is an advanced gasoline combustion system that...
Technology Report Manned Systems
Creating Chrysler 200's Interior Identity
The 2015 Chrysler 200 midsize sedan’s floating center console design with a pass-through storage area may have staying power beyond this Chrysler Group-first application.
Briefs Aerospace
Software for Material/Structural Characterization Across Length Scales
Synthetic and natural micro-architectures occur frequently, and multiphase functionally graded composites are becoming increasingly popular for applications requiring...
Briefs Defense
Model Development Using Accelerated Simulations of Hypersonic Flow Features
Currently, the two main computational tools used by the aerothermodynamics community to model hypersonic flows are Computational Fluid Dynamics (CFD), and the direct...
Briefs Defense
Chrono: A Parallel Physics Library for Rigid-Body, Flexible-Body, and Fluid Dynamics
The Chrono::Engine software is a general-purpose simulator for three-dimensional multi-body problems. Specifically, the code is designed to support the...
Briefs Defense
Terrain Model as an Interface for Real-Time Vehicle Dynamics Simulations
In order to enable off-road vehicle dynamics analysis simulations when traveling on soft soil, a deformable Vehicle Terrain Interface (VTI) model that interfaces with...
Technology Report RF & Microwave Electronics
FlexRay, Ethernet Vie for Role as Safety Systems Share Data
Changes in networking are likely to occur as safety systems are linked together to further reduce accidents and pave the way for autonomous driving. Many developers feel that the...
News RF & Microwave Electronics
V2X Communications Face Many Challenges Before Deployment
Mainstream media outlets heavily touted vehicle-to-vehicle/-infrastructure (referred to as V2X) communications after a recent NHTSA endorsement. Often overlooked are technical...
News Automotive
GM’s Nitz Gets New Dual Role of EV and Transmission Engineering Director
Transmission-engineering management is gaining strategic clout within OEMs as new transmissions increasingly become a key technology for meeting new vehicle CO2 and...
Briefs Electronics & Computers
Implementing Interconnected Generation in Future Civil Aircraft
In addition to providing thrust, the engines on conventional civil jet airliners generate power for onboard systems and ancillary loads in the form of pneumatic, hydraulic, and...
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Hydrogen Engines Are Heating Up for Heavy Duty
Power
SAE Automotive Podcast: Solid-State Batteries
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SAE Automotive Engineering Podcast: Additive Manufacturing
Manufacturing & Prototyping
A New Approach to Manufacturing Machine Connectivity for the Air Force
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Optimizing Production Processes with the Virtual Twin
