Latest Stories
Briefs Information Technology
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 Aerospace
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 Aerospace
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...
Technology Report Electronics & Computers
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 Power
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...
Briefs Physical Sciences
Cascading Failures in Coupled Distributed Power Grids and Communication Networks
Emerging distributed power grid systems will integrate tightly coupled networks, namely a power grid and a communication network, to provide distributed power monitoring and control. While distributing power monitoring and control away from a central site enhances the...
Briefs Physical Sciences
Simultaneous Vibration Suppression and Energy Harvesting
The goal of this work was to investigate the concept of using harvested energy to directly control the vibration response of flexible aerospace systems. Small, lightweight, flexible micro...
Briefs Defense
Power Management for the Electric Taxiing System Incorporating the More Electric Architecture
With airlines increasingly directing their attention to operating costs and environmental initiatives, the More Electric Architecture for Aircraft and...
News Automotive
SAE Committee to Work with VDA on R-744 A/C Standards
R-1234yf may be the choice of most car manufacturers worldwide as the new low-global-warming (LGW) A/C refrigerant to replace R-134a, but as many in the industry have learned, there are...
Technology Report Materials
ZF's CEO Talks About Lightweight Vehicle Applications
The debut of a brake pedal and its housing unit made from fiber-reinforced thermoplastics on a MY2014 German sports car serves as a vivid example of weight-conscious products reaching production application.
Technology Report Manufacturing & Prototyping
Titanium Auto Parts 3D-Printed from Low-Cost Metal Powders
Sterling strength-to-weight ratios and corrosion resistance make titanium ideal for building lightweight vehicles. The problem has always been cost; it takes great quantities of...
Technology Report Power
Schaeffler Tech Demonstrator Achieves 15% CO2 Reduction
Technical specialists retrofitted a MY2013 Ford Escape with Schaeffler technologies, and the payback is a double-digit-percentage fuel-economy improvement compared to the production...
Articles Automotive
Ashok Leyland Pursues Stainless Steel for Bus ‘Super Structures’
The design approach for bus body architecture has gone through different phases—namely, chassis based, semi integral, integral, and monocoque. Equally varied is the...
Briefs Materials
Formation and Characterization of Gold Nanoparticles
One-dimensional nanowires are of increasing interest due to their size, physical properties, and other applications in opto-electronics. For example, nanowires have already been used in...
Briefs Materials
Carbon Nanotube Thermal Interfaces Enhanced with Sprayed-On Nanoscale Polymer Coatings
As the semiconductor industry continually strives to increase the power density of single-chip packages, thermal management remains a critical challenge...
Briefs Materials
Lipid Layer-Based Corrosion Monitoring on Metal Substrates
Corrosion is a deforming process that costs the United States Department of Defense (DOD) approximately $23 billion annually and accounts for 23% of all DOD maintenance. Exhaustive...
Briefs Data Acquisition
Confocal Imaging System for Ultra-Fast, Three-Dimensional Transport Studies in Thermal Management Applications
The objective of this work was to develop a high-speed, three-dimensional (3D) confocal imaging system to study coupled fluidic and...
Briefs Physical Sciences
Evaluating a Data Clustering Approach for Lifecycle Facility Control
Given the current emphasis on sustainability, there is a growing interest in monitoring various facets of building resource consumption. Building monitoring and automation...
Briefs Physical Sciences
Portable Data Recorder for Measuring Sand Grain Fracture After Blasts
Abullet cannot penetrate through a sandbag while an arrow can, so understanding the behavior of granular materials such as sand and its energy absorption in a blast is...
Briefs Medical
Effect of Acceleration Frequency on Spatial Orientation Mechanisms
Extreme motion environments can induce loss of visual acuity, motion sickness, and spatial disorientation. Understanding how human sensory integration of acceleration stimuli affects spatial awareness will improve models of spatial disorientation and mishap analysis. While there are...
Briefs Physical Sciences
Localization of Head-Mounted Vibrotactile Transducers
T he human sensory systems most frequently used in military displays (vision and audition) are sometimes overloaded. When soldiers rely on visual or auditory displays, their situation...
Briefs Physical Sciences
High-Resolution, Measurement-Based, Phase-Resolved Prediction of Ocean Wavefields
Given remote and direct physical measurements of a realistic ocean wavefield, the goal of this work was to obtain a high-resolution description of the wavefield...
Briefs Test & Measurement
Measuring Impact Damage to Toughened CFRP Laminates with Time Domain Reflectometry
Laminated Carbon Fiber Reinforced Polymer (CFRP) composites are very effective in weight saving in aeronautical structural components. For these laminated CFRP...
Briefs Physical Sciences
Testing Mechanical Properties of Polymer-Based Multi- Phase Particulate Composites
Polymer composites comprised of metallic particles distributed throughout a contiguous polymer matrix can often be modified to produce advanced composites that...
Briefs Physical Sciences
Humanlike Articulated Robotic Headform for Respirator Fit Testing
The testing of individual respiratory protection (IRP) devices is now accomplished with panels of human wearers. Historical at tempts to simulate the human face and head have...
Briefs Manufacturing & Prototyping
Three-Dimensional Plastic Part Extrusion and Conductive Ink Printing for Flexible Electronics
Structural electronics, or structronics, seeks to build wiring and electrical interconnects directly into component structures to diminish the need...
Top Stories
NewsRF & Microwave Electronics
Microvision Aquires Luminar, Plans Relationship Restoration, Multi-industry Push
INSIDERAerospace
A Next Generation Helmet System for Navy Pilots
INSIDERDesign
New Raytheon and Lockheed Martin Agreements Expand Missile Defense Production
INSIDERMaterials
How Airbus is Using w-DED to 3D Print Larger Titanium Airplane Parts
NewsPower
Ford Announces 48-Volt Architecture for Future Electric Truck
ArticlesAR/AI
Webcasts
Aerospace
Cooling a New Generation of Aerospace and Defense Embedded...
Automotive
Battery Abuse Testing: Pushing to Failure
Transportation
A FREE Two-Day Event Dedicated to Connected Mobility
Unmanned Systems
Quiet, Please: NVH Improvement Opportunities in the Early Design Cycle
Transportation
Advantages of Smart Power Distribution Unit Design for Automotive &...
Energy
Sesame Solar's Nanogrid Tech Promises Major Gains in Drone Endurance