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Aeronautics

Latest Briefs & News

Special Reports : Data Acquisition
Unmanned Systems

The latest advances in aerial, ground, and underwater unmanned systems are covered in this special report, a compendium of recent articles from the editors of Tech Briefs and Aerospace & Defense Technology.

Special Reports : RF & Microwave Electronics
RF & Microwave Electronics

In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how high-frequency electronics advances are enabling new applications in space communications, aviation, the military and more.

Briefs : Energy
Double-Fed Induction Linear Alternator

This technology was developed to address the limitations of traditional, single-fed linear alternators that require permanent magnets, adhesive bonding organics, and heavy iron laminations for flux control. They experience eddy-current losses and require electromagnetic interference protection. Furthermore,...

Question of the Week : Aerospace
Can a Spray-On Coating ‘Ice-Proof’ Airplanes?

University of Michigan researchers have developed a coating that they believe could lead to the achievement of a long-time goal: Ice-proofing airplanes.

Application Briefs : Test & Measurement
Miniature Bearings Play a Major Role in Mars 2020 Mission
Timken
North Canton, OH
www.timken.com

As NASA prepares for the launch of its newest Mars rover in 2020, Timken engineers have designed and tested its miniature...

Briefs : Software
Machine Learning Tool Computes Flow Around Interactively Designable 3D Objects

When engineers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model the flow of air...

Briefs : Aerospace
High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

5 Ws : Aerospace
5 Ws of Foldable Mechanical Devices

Who

Manufacturers across medical, space, aviation, military, and automotive industries could use the technology to build complex machines that integrate with surfaces to be very compact, but can...

Blog : Propulsion
AUVSI XPONENTIAL 2019: A Real Thrill Ride
You think riding your Harley Davidson is exciting? Try the ElectraFly.
Blog : Transportation
AUVSI XPONENTIAL 2019: A Close-Up Look at Air Taxis
Taxi! A steady stream of AUVSI XPONENTIAL attendees got to see Bell's new air vehicle up close.
Blog : Defense
Higher-Strength Plastics: How to Turn Polyethylene into ‘Transparent Aluminium’
Researchers created transparent polythene sheets that have a strength greater than aluminum – at a fraction of the weight.
Briefs : Communications
System Enables Direct Data Transmission Between Underwater and Airborne Devices

Today, underwater sensors cannot share data with those on land, as both use different wireless signals that only work in their respective mediums. Radio signals that travel through air die very rapidly in water. Acoustic signals, or sonar, sent by underwater devices...

Briefs : Energy
Nickel with Nanoscale Pores Has the Strength of Titanium and Density of Water

Titanium is as strong as steel but about twice as light. These properties depend on the way a metal’s atoms are stacked but random defects that arise in the...

Briefs : Aerospace
X-Ray Study of Low-Density Materials

It's hard to get an X-ray image of low-density material like tissue between bones because X-rays just pass right through like sunlight through a window. Sandia studies myriads of low-density materials,...

Briefs : Software
Airborne Machine Learning Estimates for Local Winds and Kinematics

Future Unmanned Aerial Systems (UAS) and air taxis will require advanced onboard autonomy to operate safely within complex and dynamic urban environments. Urban landscapes...

Briefs : Manufacturing & Prototyping
Multi-Purpose, Flexible Wing Structure for Small Unmanned Aerial Systems

Small unmanned aircraft systems (UAS), also known as micro air vehicles, are promising tools for a variety of military and commercial applications. Some small UAS have flexible wings and are lightweight, making them back-packable and easy to deploy. Most UAS that are...

Briefs : Manufacturing & Prototyping
Flexible, Spinning Heat Shield for Spacecraft

Heat shields are essentially used as the brakes to stop spacecraft from burning up and crashing on entry and reentry into a planet's atmosphere. Current spacecraft heat shield methods include...

Articles : Manufacturing & Prototyping
Lightweighting in Aerospace Component and System Design

Lightweighting design is an extensively explored and utilized concept in many industries, especially in aerospace applications, and is associated with the green aviation concept. The...

Briefs : Materials
Variable-Depth, Multilayer Liner for Aircraft Noise Reduction

NASA Langley Research Center has developed a new approach for designing aircraft liner cores for noise reduction. The cores are comprised of multiple honeycomb-shaped chambers,...

Briefs : Aerospace
Self-Stabilizing, Distributed, Symmetric, Fault-Tolerant Synchronization

Distributed systems have become an integral part of safety-critical computing applications, necessitating system designs that incorporate complex fault-tolerant resource management functions to provide globally coordinated operations with ultra-reliability. As a result,...

Briefs : Propulsion
Real-Time, Fuel-Optimal, Powered Descent Guidance Using Interpolated Time-of-Flight and Propellant Mass

Soft landing using rockets requires a trajectory to be planned for the lander from rocket ignition — typically several kilometers in altitude and moving at up to 200 m/s — to the point near the surface with near-zero velocity. The exact...

Briefs : Transportation
Effects of Reynolds and Mach Numbers in Large Eddy Simulation of Supersonic Round Jets

Rockets/landers arrive on the Moon with supersonic speed and impact lunar regolith. There is no reliable software to computationally simulate in an effective way the supersonic plumes escaping from these rockets/devices. A Large Eddy Simulation (LES) model and...

Briefs : Sensors/Data Acquisition
Electronics Withstand Extreme Heat

Most electronics only function within a certain temperature range but blending two organic materials together creates electronics that withstand extreme heat. The new plastic material could reliably conduct...

Articles : Manufacturing & Prototyping
Products of Tomorrow: March 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...