Mechanical & Fluid Systems

Articles : Mechanical & Fluid Systems
Contacts for Hi-Rel Connectors: Comparing Technologies

Contact design is critical to the performance of any connector — especially for devices that must function in harsh environments where extremes of temperature, shock, and vibration are...

Articles : Robotics, Automation & Control
Products of Tomorrow: November 2017

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...

Articles : Green Design & Manufacturing
2017 Create the Future Design Contest: Sustainable Technologies Category Winner

Energy Saving Filter for Removal of Heavy Metals from Water

Volodymyr Khranovskyy, R. Yakimova, Ivan Shtepliuk, P. Lima de Carvalho, and A. Pinto
Talent Molecule LDA
Braga, Portugal

Pollution by heavy metals (HMs) is a crucial...

INSIDER : Mechanical & Fluid Systems
Soft Robotic Gripper Manipulates Objects Without Training

An engineering team at the University of California San Diego has designed and built a gripper that can pick up and manipulate objects without needing to see them and without being...

Briefs : Mechanical & Fluid Systems
Plasma-Assisted Catalytic Reverse Water Gas Shift Reactor

For improving CO2 conversions for a low-temperature CO2 methanation process, a mechanism of using reverse water gas shift (RWGS) reaction as an intermediate step to generate the more reactive CO species for the methanation process was developed. The challenge was to...

Briefs : Mechanical & Fluid Systems
Folding-Tube Deployable Solar Array

Future space missions incorporating solar electric propulsion (SEP) will require large solar arrays that are an order of magnitude larger than the current state of the art for deployable arrays. This invention is a structural concept for such an array, and was designed to enable large arrays that package...

Briefs : Mechanical & Fluid Systems
Vented Launch Vehicle Adapter for a Manned Spacecraft With “Pusher” Launch Abort System

A Launch Vehicle Adapter (LVA) was developed that provides a structural interface between a Commercial Crew Vehicle (CCV) Crew Module/Service Module Spacecraft (CM/SM) and an expendable launch vehicle. It also provides a means to control the exhaust plume...

Briefs : Mechanical & Fluid Systems
Delayed Latching Mechanism

Uncontrolled and rapid movement of equipment and people through security gates has been a major problem for security personnel. In situations pertaining to facility security, it is desirable to delay the passage of...

Briefs : Mechanical & Fluid Systems
Multifunctional Hot Structure (HOST) Heat Shield

Traditional heat shield design isolates the functions of the thermal protection system (TPS) from the underlying load-carrying structure. This is due to the use of brittle TPS material that cannot carry the structural loads and that ablate during planetary entry. To isolate the TPS, the...

Briefs : Mechanical & Fluid Systems
Feed Mechanism and Method for Feeding Minute Components

Electrical circuits such as printed wiring boards or hybrid microcircuits designed to utilize surface mount electrical components are commonly assembled by computer-controlled automated...

Briefs : Mechanical & Fluid Systems
Vibration-Dampening Pedestal for MEMS

Microelectromechanical systems (MEMS) are critical devices for various highly sensitive applications; however, the development and potential fielding of these next-generation smart systems is currently impeded by the inability to satisfy the stringent performance standards for precision and control. These...

Briefs : Mechanical & Fluid Systems
Compact, Portable Device for Structural Vibration Reduction

Tuned mass dampers are used worldwide to mitigate vibrations in structures like buildings and bridges where excessive movement can be alarming or even sickening to occupants. The...

INSIDER : Aerospace
Origami Techniques Expand Compacted Spacecraft

Origami has once again inspired engineers at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California. Besides aesthetic beauty, the Japanese tradition of paper-folding addresses a persistent problem faced by JPL engineers: how do you pack the greatest amount of spacecraft into the smallest...

INSIDER : Mechanical & Fluid Systems
Webb Telescope Actuators Move with Microscopic Accuracy

The James Webb Space Telescope will be the most powerful space telescope ever built. With a 21-foot diameter, the telescope’s primary mirror is six times larger than the one used by...

Articles : RF & Microwave Electronics
Self-Powered Wireless Sensors in the Industrial Internet of Things

Sensors have a key role in industrial production. For example, they can be used for quality and process monitoring or condition-based maintenance. The range of applications is large and is evolving even further, largely due to the increasing use of self-powered wireless sensors...

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