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Aerospace

Optimizing Thermal Management to Meet SWaP-C Requirements

As defense systems continue to shrink, corresponding thermal management concerns expand exponentially. Designers have learned that overheating can be the downfall of even the most...

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Articles
Sensors/Data Acquisition

Fighting for Life in Military Markets

Visits to the Seville headquarters of Airbus Defence & Space (Airbus DS) have often reflected stormy prospects for the company’s large-capacity A400M Atlas transport, which has suffered cost...

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Articles
Aerospace

Clamoring for More Entertainment

Consumer expectations for information and entertainment are creating big challenges for airlines that need to provide Internet access while providing inflight services that mirror what’s available in the home...

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Articles
Defense

Cellular Satellites: Joint Communications with Integrated Acquisition

It’s a familiar image: a soldier crouching with a radio next to a spidery antenna pointing skyward to reach a distant satellite. But that view of military communications is...

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Application Briefs
Defense

Lithium Battery Pack

800-537-1368 www.tadiran.com When designing an unmanned aerial vehicle (UAV), engineers must continually seek to reduce size and weight wherever possible in order to improve aerodynamics and free up critical space to deploy...

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Briefs
Test & Measurement

SIRE: A MIMO Radar for Landmine and IED Detection

Low-frequency ultra-wideband (UWB) radar has garnered attention for the detection of landmines and improvised explosive devices (IEDs) in recent years. The low frequencies used by these radars...

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Briefs
Defense

Multi-Temporal Analysis of Underbody IED Theater Events on Ground Vehicles

Recently, modeling and simulation (M&S) engineers have made impressive strides in improving ground vehicle reliability and soldier safety. This work involved...

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Briefs
Test & Measurement

Blast Mitigation Seat Testing

Blast energy-attenuation (EA) seats, although not new to the market, have not been fully tested with respect to energy attenuation capability and the resulting effects on occupant protection. The Ground Systems...

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Briefs
Medical

Blast-Induced Acceleration in a Shock Tube

High-fidelity simulation of blast flow conditions can aid in developing strategies to mitigate blast-induced brain injury. The prevalence of blast-induced traumatic brain injury (bTBI) has prompted an...

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Articles
Aerospace

Virtual Flight Testing of Radar System Performance

Flight testing is the ultimate way to evaluate the performance of a radar system. During the actual aircraft flight, data such as Probability of Detection, Signal Strength, and clutter might be...

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Application Briefs
Electronics & Computers

Satellite System

301-428-5539 http://defense.hughes.com Hughes Network Systems, LLC (Hughes) recently unveiled a new HM Satellite System, engineered around its novel software-definable modem (SDM) technology and scrambled code multiple access...

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Application Briefs
Aerospace

Digital Optical Comparator

514-694-9290 www.visionxinc.com VISIONx’s VisionGauge® Digital Optical Comparator 700 Series, featuring 5-axis inspection, has allowed aerospace supplier Paradigm Precision to improve the inspection process of its...

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INSIDER
Aerospace

Researchers Advance Propulsion Toward Low-Carbon Aircraft

Just as hybrid or turboelectric power has improved fuel efficiency in cars, boats and trains, aeronautical engineers are exploring how planes can be redesigned and configured with...

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INSIDER
Materials

Lightweight, Strong Metal Could Make Airplanes More Energy Efficient

Researchers have created a lightweight, but very strong, structural metal made of magnesium because it is a light metal with two-thirds the density of aluminum, is...

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INSIDER
Defense

NASA Flies Drones in Aircraft Noise Test

Microphones strung together on an unmanned aircraft system runway were used to record the sounds of remotely piloted aircraft flying overhead as part of a NASA project to measure full-scale aircraft...

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INSIDER
Aerospace

Wireless Sensor Enables Study of Traumatic Brain Injuries

A new system that uses a wireless implant has been shown to record – for the first time – how brain tissue deforms when subjected to the kind of shock that causes blast-induced...

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INSIDER
Defense

Researchers Discover Salty Solution to Better, Safer Batteries

A team of researchers from the University of Maryland (UMD) and the U.S. Army Research Laboratory (ARL) have devised a groundbreaking “Water-in-Salt” aqueous lithium ion battery...

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INSIDER
Imaging

NASA Takes First Steps Toward Drone Traffic Management

NASA recently successfully demonstrated rural operations of its unmanned aircraft systems (UAS) traffic management (UTM) concept, integrating operator platforms, vehicle performance, and ground infrastructure. The next steps involve further validation through Federal Aviation Administration...

INSIDER
Aerospace

New Methods Detect and Predict Fatigue-Related Aircraft Cracks

Researchers are developing tools and technology to detect the formation of cracks in aircraft components and monitor their progression. The team is conducting comprehensive...

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INSIDER
Propulsion

Precision NASA Thruster Keeps Spacecraft Still

The European Space Agency’s LISA Pathfinder spacecraft is on its way to space with the Disturbance Reduction System (DRS), a thruster technology developed at NASA's Jet Propulsion Laboratory. The...

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INSIDER
Defense

Army Researchers Add Power and Range to Artillery

Picatinny Arsenal (NJ) engineers are improving artillery by extending its range, power and versatility using an electrically-responsive method to control energetic materials such as propellants....

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INSIDER
Defense

Armor Plating Has Built-In Transparent Ceramic Eyes

Protecting yourself usually involves a tradeoff. If you want maximum physical protection, whether from biting predators or exploding artillery shells, it generally compromises your ability to...

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INSIDER
Defense

Mineral Could be Used to Create Transparent Armor

Imagine a glass window that’s tough like armor, a camera lens that doesn’t get scratched in a sand storm, or a smartphone that doesn’t break when dropped. Except it’s not glass; it’s a...

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Articles
Defense

3-Phase Single-Step Power Correction in MilAero Systems

As OEMs seek advantages in Size, Weight, Power and Cost (SWaP-C), focus is shifting to advancements in power electronics. Gaining an advantage requires close attention not only to...

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Articles
Defense

Using Sensor Technology to Combat Legacy Issues in Defense Avionics

Reliance on aging military platforms has become a global concern and military aircraft today are expected to remain in service for longer than their original life cycles. This...

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Articles
Defense

Counterfeit Electronics in the DOD Supply Chain

Counterfeit semiconductor devices entering the Department of Defense (DOD) supply chain continue to pose risks to many of our country’s most sophisticated aerospace and defense systems. However,...

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Articles
Aerospace

Touch and Go

Since the digital revolution changed forever the pilot’s working environment, innovators and suppliers of cockpit systems have strived to provide a continuous stream of new developments and products that offer increasingly...

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Articles
Aerospace

Sandwich Cores for the Future

The search for lighter weight, stronger materials to construct airplanes and spacecraft remains as important as ever. But it takes a long time for new materials in aerospace structures to make their way into...

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Articles
Defense

Making AESA Radar More Flexible

A modular, building-block approach brings greater design flexibility to Active Electronically Scanned Array (AESA) radar technology, simplifying system integration, and permitting rapid first-line repair with no...

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