Mechanical/​Mechatronics

Mechanical & Fluid Systems

Access the latest news and technical advancements impacting Mechanical and Fluid systems. Explore articles and technical briefs about fastening, joining, mechanical components, fluid handling, and micro-electro-mechanical systems (MEMs).

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Briefs: Mechanical & Fluid Systems
Researchers have developed an innovative design for a wheelchair that can more easily navigate on soft and uneven outdoor terrain such as grass and gravel. The chair uses three wheels — two wheels in the front...
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Briefs: Mechanical & Fluid Systems
NASA Kennedy Space Center seeks partners interested in the commercial application of the Quick Disconnect for High Pressure Mate/De-Mate. Designed at KSC, this technology is intended for use in...
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Briefs: Propulsion
Method for Establishing Cool Flames and Flameless Fuel Oxidation with Zero Emissions Using Non-Equilibrium Plasma Activation
Current engines and combustors run at high temperature, which leads to problems of engine knocking, soot and NOx emissions, and difficulty in combustion control. On the other hand, low-temperature combustion and fuel...
Briefs: Manufacturing & Prototyping
Magnetic Induction Heating of Space Foods During Dispensing Under Weightless Conditions
Hot foods are psychologically pleasing. Food heating systems are currently part of the astronaut feeding program. An electrical method of heating foods during dispensing in space uses magnetic induction heating. The process is up to 95% efficient in converting...
Articles: Energy
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 innovation.
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Briefs: Mechanical & Fluid Systems
Walls often make up more than half of indoor surface area, especially in residential and office buildings. In addition to delimiting spaces, both for functional and...
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Briefs: Aerospace
NASA Ames Research Center has developed a novel, low-cost, self-contained guidance system for small payload operators. Small satellites are becoming ever more capable of performing valuable missions for both...
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Briefs: Mechanical & Fluid Systems
Actuators are used in a wide variety of electromechanical systems and in robotics, in applications such as steerable catheters, aircraft wings that adapt to changing conditions, and wind turbines...
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Briefs: Mechanical & Fluid Systems
NASA’s Kennedy Space Center (KSC) has created the Cryo-Fluid Capacitor (CFC) that capitalizes on the energy storage capacity of liquefied gases, and the relative simplicity of high-pressure gas bottles while...
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Briefs: Materials
Compact Termination for Structural Soft Goods
Space environments are particularly harsh for the high-strength fibers NASA relies on for soft structures. Kevlar, Nomex, Nylon, and other synthetic fibers are broken down by exposure to the combination of vacuum, atomic oxygen, and ultraviolet radiation. Glass fiber offers unique advantages for...
Briefs: Automotive
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...
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Products: Sensors/Data Acquisition
Laser Sensors The optoNCDT 1750 laser sensors from Micro-Epsilon, Raleigh, NC, feature measuring ranges of 500 and 750 mm for fast, high-precision measurement tasks that require large measuring ranges. They are...
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Briefs: Materials
NASA Langley Research Center has developed a simple mechanism for the clean cutting of high-strength and high-toughness carbon nanotube/poly-mer fiber composites on demand without high blade wear or replacement...
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Articles: Materials
With very little fanfare, a special class of alloys has been finding its way into our daily lives. From indestructible eyewear, to smartphone cameras, to coronary stents, this material is...
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Briefs: Sensors/Data Acquisition
A major challenge to assault prevention is that during an assault, victims often do not have an easily accessible way to call for help. Whether calling 911 or using an emergency alert app...
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Products: Mechanical & Fluid Systems
CMOS Linear Image Sensor The S13774 from Hamamatsu Corporation (Hamamatsu City, Japan; Bridgewater, NJ), is a CMOS linear image sensor developed for industrial cameras that require high-speed scanning. The column-parallel readout...
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Briefs: Test & Measurement
The giant rotor blades are one central part of a wind turbine. Researchers developed a rotor blade that makes more efficient use of large fluctuations in wind strength using a...
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Products: Sensors/Data Acquisition
Rotary Position Sensors Novotechnik, U.S. (Southborough, MA) announced industrial and redundant channel industrial versions of the SP 2800 Series rotary position sensors. The industrial version is offered in standard electrical...
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Articles: Mechanical & Fluid Systems
Some species of sharks must constantly swim to keep water flowing over their gills to stay alive. That same concept also tends to apply to technology — once a technology stops evolving and moving forward, it's...
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Articles: Motion Control
When engineer Mark Doyle started to put together plans for an exoskeleton to support surgeons in 2012, he wanted to develop a lightweight product that they could wear comfortably for...
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Briefs: Materials
An eel-like robot was developed that can swim silently in salt water without an electric motor. Instead, the robot uses artificial muscles filled with water to propel itself. The...
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Articles: Photonics/Optics
Step motors are widely used in automation due to their high resolution, precision positioning, minimal control electronics, and low cost. As an open loop system, traditional...
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Blog: Communications
A researcher tells Tech Briefs how his team's "symmetrical" sensor approach will support the growing "Internet of Things."
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Question of the Week: Green Design & Manufacturing
Can a 'Cool' Strategy Improve Water-Purification Efforts?
Researchers from the University of Buffalo found a counter-intuitive way of improving the water-purification process: keeping things cool.
Blog: Green Design & Manufacturing
Researchers at the University of Buffalo have found a counter-intuitive way of improving the water-purification process: keeping things cool.
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Application Briefs: Test & Measurement
Digital microscopes are being automated and computerized to make them easier to use, display more data with more detail and precision, and expand their areas of application. With traditional...
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Briefs: Materials
A “4D printing” method was developed for a smart gel that could lead to the development of living structures in human organs and tissues, soft robots, and targeted drug delivery.
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Briefs: Propulsion
Variable Bypass Turbofan Engine
Many aircraft need to operate efficiently at more than one flight regime; for example, certain airframes are expected to perform in relatively high-speed cruise modes, as well as slower loitering scenarios. Unfortunately, an engine operates most efficiently when the exit velocity closely matches the speed of the...
Briefs: Test & Measurement
Water heaters and other thermal energy storage devices increase the temperature of a medium above an ambient or normal temperature, and store the warmer medium. Water heaters, in particular, must store the...
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