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ETS Researchers Develop New Methodology for Wind Tunnel Calibration
In recent years, the École de Technologie Supérieure (ETS) Research Laboratory in Active Controls, Avionics, and Aeroservoelasticity (LARCASE) has acquired several...
Articles Test & Measurement
Thermal Simulation and Testing of Expanded Metal Foils for Lightning Protection
With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated...
Articles Defense
Pumped Two-Phase Cooling for Thermal Management of High Heat Flux Electronics
Pumped two-phase cooling provides a compact, low pumping power option for thermal management in high heat flux applications (300-500W/cm2). Compared to single-phase...
Articles Materials
Optically Transparent EMI Shielding for Defense and Aerospace Applications
Modern electronic devices and computing equipment are often integrated with wireless capabilities which utilize multi-bands for high speed communication, as well as high...
News Manufacturing & Prototyping
Tata Sikorsky JV Producing Fully Indigenous S-92 Cabins
The India joint venture established between Tata Advanced Systems and Sikorsky Aircraft Corp. has announced that its S-92 helicopter cabin production in India has become 100%...
News Defense
Design Software Targets Germs, Dry Air
Concerns about airborne diseases and flu pandemics coupled with increasing passenger concerns about environmental conditions are prompting some aircraft designers to take a closer look at ventilation...
News Motion Control
Thermal Management for Fuel-Cell Systems Studied
Reducing the environmental impact of aircraft in terms of carbon dioxide, noise, and pollutant emissions is an important objective. Fuel-cell systems deliver electrical energy with high...
News Defense
Predicting Cavitation in Fuel Pumps
Liquid ring pumps are used in aircraft fuel systems in conjunction with main impeller pumps and serve the function of removing fuel vapor and air from the fuel. Thus, their reliable functioning plays a...
News Defense
FAA Selects Six Sites for UAS Research
After a 10-month selection process involving 25 proposals from 24 states, the U.S. FAA has chosen six unmanned aircraft systems (UAS) research and test site operators across the country. In selecting...
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 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
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...
Articles Aerospace
MISRA C:2012
For C programmers working on safety-critical applications, following restrictions and guidelines to ensure safe-coding practices can be painful. Features of the language designed to make your work easier, more efficient, or provide...
Briefs Manufacturing & Prototyping
Stencil Mask Methodology for Parallelized Production of Microscale Mechanical Test Samples
Over the past decade, there has been considerable progress in the development of new mechanical testing methods to characterize the properties of...
Briefs Manufacturing & Prototyping
Tin-Based IV-IV Heterostructures Fabricated Using Molecular Beam Epitaxy
The indirect nature of the fundamental energy gap in the elemental semiconductors Si and Ge prevents the use of these materials and their alloys in laser devices. The...
Briefs Manufacturing & Prototyping
Micro-Composite Fabrication via Field-Aided Laminar Composite Processing
Much work has been accomplished since the discovery that particles in a dielectric fluid experience forces when placed in an electric field, including mathematical...
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...
Application Briefs Defense
Intelligence Analysis System
Air Force intelligence analysts must assess an adversary’s capability to achieve their objectives, including their offensive and defensive systems, state of readiness, training, and conditions such as weather. To effectively assess these capabilities, analysts must integrate a tremendous amount of data from a number...
Briefs Software
Weapon Center of Mass Calculator
The Weapon Center of Mass (COM) software allows researchers to easily determine mass properties of a weapon system. The tool presents a photograph of the weapon and allows the user to place weight anywhere on the weapon by clicking on the screen. After the weight is placed, the software returns the mass properties...
Briefs Software
General Runtime/Architecture for Many-core Parallel Systems (GRAMPS)
The era of obtaining increased performance via faster single cores and optimized single-thread programs is over. Instead, a major factor in new processors’ performance comes from parallelism: increasing numbers of cores per processor and threads per core. In both research and...
Briefs Software
Crumple Zone Software Absorbs Attack Effects Before System Failures
A higher level of structural and operational endurance and ruggedness can be achieved in software systems by strategically introducing crumple zones (CZs) in the system...
Briefs Software
Software Design for CFD Rotary-Wing Aeromechanics Modeling
Helicopter flight involves many multidisciplinary physics problems that are difficult to predict with today’s engineering modeling and simulation tools. Rotor aerodynamic systems...
Briefs Materials
Electrochemical Energy Storage Materials
One of the most important requirements in next-generation batteries is to concurrently deliver high energy density and high power density (fast charge-discharge rates). The high power density requirement...
Briefs Mechanical & Fluid Systems
Rotating Detonation-Wave Engines
All Navy aircraft and missiles use gasturbine engines for propulsion. Many ships are also dependent on gasturbine engines to generate both propulsive power and electricity. These engines are fundamentally...
INSIDER Robotics, Automation & Control
Researchers Aim to Create ‘MacGyver’ Robot
Robots are increasingly being used in place of humans to explore hazardous and difficult-to-access environments, but they aren’t yet able to interact with their environments as well as humans....
INSIDER Defense
Microbullets Reveal Material Strengths
In the macro world, it’s easy to see what happens when a bullet hits an object. But what happens at the nanoscale with very tiny bullets? A Rice University lab, in collaboration with researchers at the...
Products Software
RF Waveform Software
X-COM Systems, LLC, a subsidiary of Bird Technologies (Reston, VA), has introduced Version 3.0 of its RF Editor Graphical RF Editor software for modifying and building custom RF signal waveform files for use in defense,...
Briefs Materials
High Strain Rate Mechanical Properties of Glassy Polymers
Arange of experimental data has been generated describing the response of glassy polymers to high strain rate loading in compression. Recently, research programs that study the combined effects of temperature and strain rate have made significant steps in providing better understanding of...
Briefs Materials
Characterization of Ceramic Composite Materials Using Terahertz Nondestructive Evaluation Techniques
This work describes the use of nondestructive evaluation (NDE) techniques to characterize defects such as rust, voids, etc. in materials, and...
Top Stories
INSIDERDefense
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Active Strake System Cuts Cruise Drag, Boosts Flight Efficiency
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Accelerating Down the Road to Autonomy
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How Airbus is Using w-DED to 3D Print Larger Titanium Airplane Parts
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Electronics & Computers
Cooling a New Generation of Aerospace and Defense Embedded...
Power
Battery Abuse Testing: Pushing to Failure
Connectivity
A FREE Two-Day Event Dedicated to Connected Mobility
Automotive
Quiet, Please: NVH Improvement Opportunities in the Early Design Cycle
Transportation
Advantages of Smart Power Distribution Unit Design for Automotive &...
Aerospace
Sesame Solar's Nanogrid Tech Promises Major Gains in Drone Endurance