Stay updated on advancements in mechanical components and mechatronics systems. New technologies in MEMs, fluid systems, and propulsion are driving breakthroughs in transportation, electrification, autonomous driving, and manufacturing.

A new PHEV traction drive power electronics system provides more power than typical freestanding portable generators, and can be used in emergency situations such as power outages and...

Briefs: Mechanical & Fluid Systems
Concentric Nested Toroidal Inflatable Structures

Assemblies comprising multiple limited-height toroidal inflatable structures nested in a concentric arrangement have been invented to obtain more design flexibility than can be obtained in...

Briefs: Mechanical & Fluid Systems
Investigating Dynamics of Eccentricity in Turbomachine

A methodology (and hardware and software to implement the methodology) has been developed as a means of investigating coupling between certain rotordynamic and hydrodynamic phenomena in turbomachines. Originally, the methodology was intended for application in an investigation of coupled...

INSIDER: Green Design & Manufacturing
Enhanced Lithium Ion Battery Abuse Testing Laboratory

Sandia National Laboratories will use $4.2 million in American Recovery and Reinvestment Act funds to modify and enhance its existing Battery Abuse Testing Laboratory (BATLab), with the...

DOE has prepared a Multi-Year Research, Development, and Demonstration Plan to provide hydrogen as a viable fuel for transportation after 2020, and commissioned Concepts NREC (CN)...

Chemical plants spend from 50 to 70 percent of their energy in "separations," which are usually distillation steps required to separate a raw material into various products. An...

Briefs: Mechanical & Fluid Systems
Amorphous Rover

A proposed mobile robot, denoted the amorphous rover, would vary its own size and shape in order to traverse terrain by means of rolling and/or slithering action. The amorphous rover was conceived as a robust, lightweight...

Briefs: Mechanical & Fluid Systems
Space-Frame Antenna

The space-frame antenna is a conceptual antenna structure that would be lightweight, deployable from compact stowage, and capable of deforming itself to a size, shape, and orientation required for a specific use. The...

Briefs: Mechanical & Fluid Systems
Space-Frame Lunar Lander

The space-frame lunar lander is a conceptual spacecraft or spacecraftlike system based largely on the same principles as those of the amorphous rover and the space-frame antenna described in the two immediately...

Briefs: Mechanical & Fluid Systems
In-Situ Focusing Inside a Thermal Vacuum Chamber

Traditionally, infrared (IR) space instruments have been focused by iterating with a number of different thickness shim rings in a thermal vacuum chamber until the focus meets requirements....

Briefs: Mechanical & Fluid Systems
Gear-Driven Turnbuckle Actuator

This actuator design allows the extension and contraction of turnbuckle assemblies. It can be operated manually or remotely, and is extremely compact. It is ideal for turnbuckles that are hard to reach by...

Briefs: Transportation
Fuel-Cell Water Separator

NASA Glenn Research Center has designed, built, and tested an innovative fuel-cell water separator that not only removes liquid water from a fuel cell’s exhaust ports, but does so with no moving parts or other...

Engineering researchers from the University of Leeds have discovered how to recover significant quantities of rare-earth oxides, present in titanium dioxide minerals. Rare-earth oxides are...

Using nanotechnology, Stanford scientists are producing ultra-lightweight, bendable batteries and supercapacitors in the form of everyday paper. Coating a sheet of paper with ink made of carbon...

Tel Aviv University researchers have found a novel way to control the atoms and molecules of peptides so that they "grow" to resemble small forests of grass. These "peptide...

The Solar Impulse HB-SIA - the first airplane designed to fly day and night without fuel - left the ground yesterday for the first time. Recent results from ground tests had verified the...

News: Transportation
Hydrogen-Powered Fuel Cell UAV Sets Record

The Naval Research Laboratory's Ion Tiger - a hydrogen-powered fuel cell unmanned air vehicle (UAV) - flew for 26 hours and 1 minute carrying a 5-pound payload, setting an unofficial flight endurance record for a fuel-cell powered flight. The test flight took place November 16-17.

News: Electronics & Computers
Electrochemical Energy Storage Technologies and the Automotive Industry

A lecture from Berkeley Lab's Environmental Energy Technologies Division covers some promising materials research efforts that are expected to lead to improved battery technology. Mark Verbrugge, the director of the Chemical Sciences and Materials Systems Lab at General...

The need to get rid of excess heat creates a major source of inefficiency in everything from computer processor chips to car engines. According to Peter Hagelstein, an...

The "Tokai Challenger" solar car from Japan's Tokai University won the 3,000 kilometer Global Green Challenge race down the center of Australia. The Tokai Challenger maintained an average speed...

Briefs: Mechanical & Fluid Systems
Rollerjaw Rock Crusher

The rollerjaw rock crusher melds the concepts of jaw crushing and roll crushing long employed in the mining and rock-crushing industries. Rollerjaw rock crushers have been proposed for inclusion in geological...

Pressure-energized seal rings intended to withstand flows better than do conventional pressure-energized seal rings have been conceived. The concept applies, more specifically, to seal...

Briefs: Mechanical & Fluid Systems
Deployable Shroud for the International X-Ray Observatory

A document describes the design of a lightweight (between 100 to 200 kg), light-tight shroud of about 3.9 meters in diameter that could be stowed into a very small volume, and be deployed to 12 meters. The shroud will consist of two concentric multi-layer blankets (MLIs) that are...

Briefs: Mechanical & Fluid Systems
X-38 Advanced Sublimator

A document discusses a heat rejection device for transferring heat from a space vehicle by venting water into space through the use of a novel, two-stage water distribution system. The system consists of two different, porous media that stop water-borne contaminants from clogging the system and causing operational...

North Carolina State University engineers have developed a new material that would allow a fingernail-size computer chip to store the equivalent of 20 high-definition DVDs or 250 million...

News: Energy
Battery Battle

A new type of redox flow battery from the Fraunhofer Institute for Chemical Technology (ICT) offers an advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be...

Briefs: Mechanical & Fluid Systems
Light-Driven Polymeric Bimorph Actuators

Light-driven polymeric bimorph actuators are being developed as alternatives to prior electrically and optically driven actuators in advanced, highly miniaturized devices and systems exemplified by...

Briefs: Mechanical & Fluid Systems
T-Slide Linear Actuators

T-slide linear actuators use gear bearing differential epicyclical transmissions (GBDETs) to directly drive a linear rack, which, in turn, performs the actuation. Conventional systems use a rotary power source in...

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