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Articles: Electronics & Computers
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Articles : Propulsion
Celebrating the 50th Anniversary of Apollo 11: Back to the Moon
Celebrating the 50th Anniversary of Apollo 11: Back to the Moon

The Moon is a treasure chest of science. The lunar samples returned during the Apollo program dramatically changed our view of the solar system, yet they just scratch the...

Celebrating the 50th Anniversary of Apollo 11: Back to the Moon
Special Reports : Automotive
Powertrain

The latest powertrain innovations for cars and commercial vehicles are featured in this Special Report, a compendium of recent articles from the editors of Automotive Engineering and Truck & Off-Highway Engineering.

Articles : Mechanical & Fluid Systems
Pneumatics for Mechanical Motion
Pneumatics for Mechanical Motion

Employing fluid power to achieve mechanical motion can be implemented via hydraulics using uncompressible liquids or via pneumatics using compressible gasses; typically, air. The latter provides several...

Pneumatics for Mechanical Motion
Briefs : Propulsion
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,...

Briefs : Aerospace
Generating Electrical Power from Waste Heat
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Generating Electrical Power from Waste Heat
Briefs : Propulsion
Improved Directed Flux Motor

Electromagnetic motors typically convert electrical energy into rotational mechanical energy and are employed across a wide array of applications. While motors represent relatively mature technology, practitioners continue to seek ways to enhance motor operation including a decrease in cost, drop in size/weight,...

Blog : Energy
AUVSI XPONENTIAL 2019: Helicopter Drones
AUVSI XPONENTIAL 2019: Helicopter Drones
Three new unmanned helicopters were unveiled at AUVSI’s XPONENTIAL show in Chicago.
AUVSI XPONENTIAL 2019: Helicopter Drones
News : Propulsion
AUVSI XPONENTIAL 2019: Air Force Technology
AUVSI XPONENTIAL 2019: Air Force Technology
As always, the Air Force Research Laboratory had a huge presence at AUVSI’s XPONENTIAL show in Chicago.
AUVSI XPONENTIAL 2019: Air Force Technology
Blog : Aerospace
AUVSI XPONENTIAL 2019: A Real Thrill Ride
AUVSI XPONENTIAL 2019: A Real Thrill Ride
You think riding your Harley Davidson is exciting? Try the ElectraFly.
AUVSI XPONENTIAL 2019: A Real Thrill Ride
Briefs : Mechanical & Fluid Systems
Transforming Flat Elastomers into 3D Shapes
Transforming Flat Elastomers into 3D Shapes

Mechanical systems such as engines and motors rely on two principal types of motions of stiff components: linear motion, which involves an object moving from one point to another in a straight...

Transforming Flat Elastomers into 3D Shapes
Briefs : Materials
Directly Cooled Electric Motor Made from Polymer Materials
Directly Cooled Electric Motor Made from Polymer Materials

Making electric cars lighter also involves reducing the weight of the motor. One way to do that is by constructing it from fiber-reinforced polymer materials. A new cooling concept...

Directly Cooled Electric Motor Made from Polymer Materials
Briefs : Mechanical & Fluid Systems
Achieving Carbon Footprint Reduction with Flywheel Technology
Achieving Carbon Footprint Reduction with Flywheel Technology

Recent technical advances have enabled flywheel energy storage systems (FESS) to become more compact and able to support higher-power applications. Due to their proven...

Achieving Carbon Footprint Reduction with Flywheel Technology
Articles : Aerospace
Organic Compound Turns Toxic Waste into Harmless Byproducts
Organic Compound Turns Toxic Waste into Harmless Byproducts

Spinoff is NASA’s annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in...

Organic Compound Turns Toxic Waste into Harmless Byproducts
Briefs : Energy
New Engine Optics to Fuel Future Research
New Engine Optics to Fuel Future Research

An optical setup developed by researchers at Sandia's Combustion Research Facility and the Technical University of Denmark can now quantify the formation of soot — particulate matter consisting...

New Engine Optics to Fuel Future Research
Briefs : Propulsion
Interoperable Intelligent Controllers for Process Management and Control Networks

NASA Johnson Space Center developed reprogrammable and interchangeable electronic controllers that can attach to a system or subsystem wirelessly or through plug-and-play capability. Originally designed to work with rocket engines, this technology can control...

Briefs : Propulsion
High-Voltage Power Line Multi-Sensor System
High-Voltage Power Line Multi-Sensor System

Government infrastructure facilities such as water treatment facilities, power plants, laboratories, and the like may be targets for terrorist attacks. Similarly, oil pipelines, power grids,...

High-Voltage Power Line Multi-Sensor System
Application Briefs : Robotics, Automation & Control
One-Cable Automation Streamlines Robotic Non-Destructive Inspection Systems
One-Cable Automation Streamlines Robotic Non-Destructive Inspection Systems

There are few industries where the demands for material testing and quality assurance are more challenging than in the aerospace industry. Ensuring the safety of all...

One-Cable Automation Streamlines Robotic Non-Destructive Inspection Systems
Briefs : Manufacturing & Prototyping
Ducted Fuel Injection for Soot Reduction
Ducted Fuel Injection for Soot Reduction

Typical direct-injection engines, such as diesel engines, can produce soot due to fuel-rich combustion conditions. Filters and catalytic converters are currently used to reduce soot and harmful...

Ducted Fuel Injection for Soot Reduction
Briefs : Mechanical & Fluid Systems
Submarine Swims Without an Engine
Submarine Swims Without an Engine

Researchers have developed a new propulsion concept for swimming robots that exploits temperature fluctuations in the water for propulsion without the need for an engine, propellant, or power supply.

Submarine Swims Without an Engine
INSIDER : Propulsion
Plane Flies with No Moving Parts
Plane Flies with No Moving Parts

Since the first airplane took flight, virtually every aircraft has flown with the help of moving parts such as propellers, turbine blades, or fans that produce a persistent, whining buzz. MIT has built the...

Plane Flies with No Moving Parts
Articles : Mechanical & Fluid Systems
2018 Create the Future Design Contest: Consumer Products Category Winner
2018 Create the Future Design Contest: Consumer Products Category Winner

ALUMINUM-POWERED ELECTRICITY GENERATION

Aluminum has an incredibly high energy density — double that of gasoline and an order of magnitude greater than...

2018 Create the Future Design Contest: Consumer Products Category Winner
Articles : Mechanical & Fluid Systems
NASA at 60: Celebrating Success

Over the past 60 years, NASA scientists and engineers have developed many advanced technologies and processes. But NASA has also partnered with industry, using commercially available products to complete its missions. Here, some of those companies join NASA in celebrating these collaborative successes.

Briefs : Energy
Integrated Multiphysics and Advanced Diagnostics
Integrated Multiphysics and Advanced Diagnostics

The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket...

Integrated Multiphysics and Advanced Diagnostics
Briefs : Automotive
Electrode Design Boosts Supercapacitor Performance

Supercapacitors are rechargeable energy storage devices that deliver more power for their size than similar-sized batteries. They also recharge quickly, and they last for hundreds to thousands of recharging cycles. Today, they are used in hybrid cars’ regenerative braking systems and for other...

Briefs : Propulsion
Double-acting Extremely Light Thermo-Acoustic (DELTA) Converter
Double-acting Extremely Light Thermo-Acoustic (DELTA) Converter

NASA's Glenn Research Center has developed a novel Double-acting Extremely Light Thermo-Acoustic (DELTA) converter that operates at high frequencies (>400 Hz) with greatly...

Double-acting Extremely Light Thermo-Acoustic (DELTA) Converter
Blog : Transportation
Answering Your Questions: Can CFD Software Simulate 'Wear and Tear' on an Engine?
Answering Your Questions: Can CFD Software Simulate 'Wear and Tear' on an Engine?
Simulation tools offer insight into the physical processes of heavy-duty engines. But what about natural wear and tear?
Answering Your Questions: Can CFD Software Simulate 'Wear and Tear' on an Engine?
Briefs : Mechanical & Fluid Systems
Offset Compound Gear Inline Two-Speed Drive
Offset Compound Gear Inline Two-Speed Drive

Innovators at NASA’s Glenn Research Center have developed a simple, lightweight, inline, two-speed drive that can be used either as an overall transmission, or as a supplemental add-on input...

Offset Compound Gear Inline Two-Speed Drive