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: Motion Control
Researchers have created a two-dimensional, shape-changing sheet that moves autonomously in a reactant-filled fluid. The integrated system utilizes a chemical reaction to activate the fluid...
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Briefs: Transportation
RTM370 imide resin was developed to address the limitations of conventional imide resins, which are generated from commercially available symmetrical biphenyl dianhydride...
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Briefs: Mechanical & Fluid Systems
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)...
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Briefs: Energy
Plasma Generator Using Spiral Conductors
NASA's Langley Research Center has developed a patented SansEC sensor technology for use in many different areas, including tall structures and wind turbines. The SansEC technology is a proven wireless sensing platform capable of measuring the electrical impedance of physical matter in proximity to the...
Briefs: Materials
Liquid droplets are used in many applications, from printing ink on paper to creating microcapsules for drug delivery. Inkjet printing is the most common technique used to...
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Briefs: Energy
Existing nanosensor technologies depend on an external power source (typically a battery) to operate. Chemical and biological sensors based on nanowire or nanotube technologies exhibit...
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Briefs: Electronics & Computers
Existing optics mounts sandwich the optic axially between two metal components, which can lead to optical surface damage and misalignment when exposed to fluctuating temperatures. Thermal-compensating optics...
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Products: Test & Measurement
Nozzles The Lee Company, Westbrook, CT, offers single- and multi-orifice lube nozzles in a variety of configurations. The nozzles may include HI-BAR® safety screens for additional protection that can be...
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INSIDER: Motion Control
A simple, inexpensive method uses ultraviolet light to control particle motion and assembly within liquids. The method encourages particles to gather and organize at a specific location within a liquid...
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Blog: Mechanical & Fluid Systems
Professor Jordan Raney spoke with Tech Briefs about what’s possible when you can embody 3D-printed objects with logic.
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Blog: Mechanical & Fluid Systems
Professor Sherry Towfighian spoke with Tech Briefs about how a new MEMS design will improve our cell phones and power lines.
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Products: Electronics & Computers
Laptop Computers Eurocom, Nepean, ON, Canada offers Sky “C” Series laptop computers based on the Z370 Intel chipset and using CPU-upgrade-able, LGA1151 socket-based processors. They support up to 128 GB of...
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Briefs: Electronics & Computers
3D printing allows for the efficient manufacture of complex geometries. A very promising method is direct laser writing in which a computer-controlled focused laser beam acts as a pen and produces the desired...
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Briefs: Aerospace
Painting of surfaces having numerous facets and/or curved surfaces is a time-consuming process that requires the application of several coats (layers) of paint. Such surfaces are often found on...
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Briefs: Mechanical & Fluid Systems
Lamina emergent compliant mechanisms (including origami-adapted compliant mechanisms) are mechanical devices that can be fabricated from a planar material (a lamina) and have motion that...
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Facility Focus: Energy
NASA's Johnson Space Center (JSC) has been a leader in human space exploration for more than half a century. Established in 1961 in Houston, TX as the Manned Spacecraft Center, the center...
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Briefs: Materials
Automated Fiber Placement (AFP) machines can be susceptible to tow-tape defects such as gaps and overlaps. These can reduce strength between 7% and 32%....
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Briefs: Test & Measurement
Check valves are traditionally designed as a simple poppet/spring system where the spring is designed to equal the force created from the sealing area of the valve seat multiplied by the...
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Briefs: Robotics, Automation & Control
Soft, 3D-printed structures have been created whose movements can be controlled with a wave of a magnet, much like marionettes without the strings. The structures that can be magnetically manipulated...
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Briefs: Robotics, Automation & Control
Researchers have developed a customizable soft robot that fits around a heart and helps it beat, potentially opening new treatment options for people suffering from heart failure.
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Briefs: Mechanical & Fluid Systems
NASA's Glenn Research Center developed a novel means of articulating the outboard portion of an aircraft wing to create the optimal geometry for given flight conditions. The Spanwise Adaptive Wing (SAW) concept employs a...
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Briefs: Medical
Infrared motion detectors can cover only a limited amount of space, a person has to be within the detector's line of sight to be detected, and lights can go off when a person remains still...
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Briefs: Mechanical & Fluid Systems
For many highly stressed engineering applications like bearings and gears, contaminated steel parts can lead to devastating outcomes such as an emergency shutdown or the end of a mission. Ensuring that these critical...
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Briefs: Electronics & Computers
Pulsed laser vaporization (PLV) production of single-wall carbon nanotubes (SWNTs) on traditional Co/Ni catalyst was explored with respect...
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Briefs: Electronics & Computers
Composite Material Cools Itself Down Under Extreme Temperatures
A material, inspired by nature, can regulate its own temperature and could be used to treat burns and help space capsules withstand atmospheric forces. The research used a network of multiple microchannels with active flowing fluids (fluidics) as a method and proof-of-concept to...
Briefs: Photonics/Optics
A technique was developed that uses a specially adapted 3D printer to build therapeutic biomaterials from multiple materials. The advance could be a step toward on-demand printing of complex...
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Briefs: Medical
A low-cost 3D bioprinter was built by modifying a standard desktop 3D printer with a syringe-based, large volume extruder (LVE). The extruder works with most open-source fused deposition modeling (FDM)...
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Articles: Test & Measurement
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: Materials
In biology, there are many examples where light induces movement or change — think of flowers and leaves turning toward sunlight. Magnetic elastomeric composites were developed that move in different ways...
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