Mechanical/​Mechatronics

Propulsion

Explore the key advances impacting propulsion technologies and applications involved in aircraft propulsion, turbo-electric distributed propulsion, and hybrid electric aircraft propulsion systems.

Motion Design: Mechanical & Fluid Systems
Pneumatics for Mechanical Motion
Articles: Mechanical & Fluid Systems
Facility Focus: NASA Marshall Space Flight Center
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Latest Briefs & News

Articles : Manufacturing & Prototyping
LED Lighting Improves Efficiency and Imaging

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

News : Aerospace
AUVSI XPONENTIAL 2019: A Real Thrill Ride
You think riding your Harley Davidson is exciting? Try the ElectraFly.
Briefs : Motion Control
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...

Briefs : Transportation
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...

Briefs : Electronics & Computers
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...

Articles : Aerospace
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...

Briefs : Propulsion
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...

Briefs : Communications
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
Green Electric Monopropellant (GEM)-Fueled Pulsed Plasma Thruster

NASA required a rocket thruster able to produce a number of pulses at high specific impulse at a relatively low voltage (~300 to 400V). The key problem was that existing propellants for liquid-fueled pulsed plasma thrusters (LPPTs) required high voltages to ablate and accelerate...

Articles : Electronics & Computers
SAE WCX: Bringing You the Future of Mobility

WCX™ World Congress Experience 2019 — presented by SAE International — is for forward-thinking engineers, executives, OEMs, suppliers, decision-makers, disruptors, and the entire spectrum of...

Briefs : Software
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 : Propulsion
Small-Body Dynamics Toolkit Version 5.0

The Small-Body Dynamics Toolkit (SBDT) v5.0 is a collection of primitive-body-specific trajectory design and analysis tools written in MATLAB®. The SBDT gives the user the capabilities to propagate, analyze, and visualize spacecraft trajectories and the dynamical environment near realistic asteroid,...

Briefs : Software
Sublimable Propellant Source for Iodine-Fed Ion Propulsion System

NASA Marshall has developed a system for generating iodine vapor from solid iodine for use as a propellant in a Hall or ion thruster propulsion system. Xenon has generally been the preferred propellant for these spacecraft ion propulsion systems but more recently, iodine-based...

Briefs : Electronics & Computers
Fuel Cell/Fuel Cell Hybrid System

Fuel cells can deliver clean, reliable, and uninterrupted power nearly 100 percent of the time. Fuel cells offer the advantage of efficiency by converting chemical energy directly to electricity. They have no moving parts, thereby eliminating failures associated with pumps, blowers, heat exchangers, and other...

Briefs : Software
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
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,...

Briefs : Software
Rocket Nozzle Side-Load Analysis Software

Lateral nozzle forces are known to cause severe structural damage during testing of any new rocket engine configuration under development. While three-dimensional computational fluid dynamics (CFD)...

Briefs : Aerospace
Modular, Multi-Mode-Propulsion, Unmanned Aerial Concept

NASA's Langley Research Center has developed an unmanned aerial vehicle concept for long-range, distributed aerial presence and delivery applications. This aircraft concept is capable...

Application Briefs : Motion Control
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...

Briefs : Energy
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...

Briefs : Robotics, Automation & Control
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.

INSIDER : Propulsion
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...

Articles : Propulsion
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...

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