Propulsion

Power Transmission

Stories

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Question of the Week: Propulsion
Will 'Zero-Impact' Planes Take Off?
Our May issue of Tech Briefs highlighted a hybrid-electric aircraft design from MIT that, according to its creators, could reduce global nitrogen oxide (NOx) emissions by 95 percent.
Briefs: Manufacturing & Prototyping
This additively manufactured alloy is tailored for high-temperature applications.
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Articles: Transportation
Live discussions will explore electric vehicles, propulsion, advanced electronics, and more.
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Special Reports: Automotive
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Vehicle Electrification - July 2020
The global transition to electric vehicles presents new design, manufacturing, and infrastructure challenges. To help you keep pace with the rapid changes in vehicle electrification technology, we present...

Briefs: Mechanical & Fluid Systems
This diffuser provides double the pumping efficiency in one-quarter the space.
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Blog: Software
To speed up the design process, researchers from the University of Texas are finding more efficient ways to predict, or "learn," a rocket's behavior.
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Articles: Mechanical & Fluid Systems
Altering the traditional intensity distribution of fiber lasers improves weld quality.
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Application Briefs: Motion Control
Beta Technologies is putting their Electrical Vertical Takeoff and Landing aircraft (eVTOL) prototype through the wringer.
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Briefs: Propulsion
The additive creates fuel from biomass while improving engine performance.
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Special Reports: Transportation
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CONEXPO/IFPE - January 2020
Coming to Las Vegas in March, CONEXPO-CON/AGG and IFPE are North America's largest events for the construction/commercial vehicle, fluid power, power transmission, and motion control industries. In this Special...

Special Reports: Propulsion
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Vehicle Electrification - January 2020
Demand for electric vehicles is accelerating, presenting new design, manufacturing, and infrastructure challenges. To help you keep pace with the rapid changes in vehicle electrification technology, we...

Briefs: Transportation
Power System for Hybrid Heavy-Duty Trucks
Electric motors and gas-alcohol engines could slash pollution levels and greenhouse gases from long-haul trucks.
Briefs: Propulsion
These louvers provide passive thermal cooling for CubeSats.
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Briefs: Sensors/Data Acquisition
This technology provides simultaneous ohmic contacts and the process to make them.
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Briefs: Electronics & Computers
Made with “Jenga chemistry,” the material could help in understanding how high-temperature superconductors work.
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Facility Focus: Propulsion
NASA Armstrong flight-tests some of the nation’s most unique aircraft and aeronautical systems.
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Blog: Propulsion
A lake is usually a picture of serenity, perhaps the last place you’d expect to find a flying-fish robot launching itself 85 feet in the air.
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Articles: Electronics & Computers
We interviewed an industry expert about the role of inductive position sensors in the IIoT.
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Briefs: Robotics, Automation & Control
Microrobots that can deliver drugs to specific spots inside the body while being monitored and controlled from outside the body have been developed that also can treat tumors in the...
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Technology Leaders: Software
Engineers today are feeling the pressure to get more done in less time, be experts in multiple disciplines, and use their resources more efficiently to maximize profits. This environment is shifting the way engineers...
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Briefs: Propulsion
Inductive Power Transfer for Spaceflight Systems
NASA Goddard Space Flight Center has developed technology that uses inductive power transfer (IPT) for wireless power interfaces between spaceflight elements (such as the payload, vehicle, and pad). Current spaceflight systems require traditional hardwire connections for power interfaces. This...
Articles: Power
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 surface...
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Articles: Manufacturing & Prototyping
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 distinct...
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Briefs: Electronics & Computers
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: Mechanical & Fluid Systems
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,...
Briefs: Electronics & Computers
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 harness...
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Special Reports: Electronics & Computers
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Vehicle Electrification - June 2019
Demand for electric vehicles is accelerating, with several automakers announcing that their entire lineups will either be hybrid or all-electric by the 2020's. To help you keep pace with the rapid changes in...

Blog: Aerospace
Three new unmanned helicopters were unveiled at AUVSI’s XPONENTIAL show in Chicago.
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