Stories
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INSIDER: Motion Control
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 achieve useful...
Briefs: Mechanical & Fluid Systems
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...
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
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 a...
Briefs: Mechanical & Fluid Systems
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...
Briefs: Mechanical & Fluid Systems
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
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...
Briefs: Mechanical & Fluid Systems
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 vast...
INSIDER: Mechanical & Fluid Systems
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...
Articles: Communications
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...
Briefs: Mechanical & Fluid Systems
An airlock used in space can provide the ability to leave a pressurized volume and enter free space. This is necessary to perform maintenance or make repairs to the pressurized volume or visiting spacecraft,...
Briefs: Nanotechnology
Carbon Nanotube Purification
Development of carbon nanotubes (CNTs), including single-wall and multi-wall nanotubes and nanofibers, into useful devices requires fabrication of CNTs that are relatively free from process residues such as amorphous carbon and metallic particles that are not part of a CNT array grown on a (coated) substrate....
Briefs: Mechanical & Fluid Systems
Asealing device was developed that acts as a high-temperature shutoff valve for pipes and ducts. The device is an annular ring that can be slipped over the outside of the pipe (or built into a flanged...
Briefs: Mechanical & Fluid Systems
In storage and/or transport of certain items, the ability to detect tampering with a container or compartment for such items can be necessary and valuable. In the transport of hazardous substances or nuclear materials...
Briefs: Mechanical & Fluid Systems
Aspacecraft thermal control system must keep the vehicle, avionics, and atmosphere (if crewed) within a defined temperature range. Water coolant loops are typically used to transport heat...
Briefs: Mechanical & Fluid Systems
Low-Power, Lightweight, Ultra-Compact Reverse Water Gas Shift Reactor
Utilizing CO2 to produce H2O and O2 is critical for sustained manned missions in space, and supports both NASA’s cabin Atmosphere Revitalization System (ARS) and ln-situ Resource Utilization (ISRU) concepts. For long-term missions beyond low Earth orbit where resupply of...
Briefs: Mechanical & Fluid Systems
In many manufacturing and construction activities, it is frequently necessary to remove a protrusion of material from a component or from a substrate surface. These removal operations include clipping the...
Briefs: Mechanical & Fluid Systems
Fluorocarbon-based fire extinguishing agents are environmentally harmful since they cause depletion of the Earth's ozone layer. Fine Water Mist (FWM)-type systems have very favorable characteristics as...
Briefs: Mechanical & Fluid Systems
Heat exchangers are used for the transfer of heat between two or more media. The media may be separated by a solid wall so that they never mix, or they may be in direct contact. Heat exchangers may be used in HVAC systems, power...
Briefs: Mechanical & Fluid Systems
Soldiers, civilians engaged in activities such as hiking, and public safety personnel engaged in search and rescue missions all require reliable systems for the effective carriage of necessary equipment....
Briefs: Mechanical & Fluid Systems
Researchers at NASA's Armstrong Flight Research Center have developed a new technology to reduce inaccuracies in force/haptic feedback devices and systems. Used at NASA in aircraft...
INSIDER: Mechanical & Fluid Systems
A lightweight module for rapid, accurate, and versatile positioning of semiconductor chips features a novel electromechanical actuator that can move objects both linearly and...
INSIDER: Mechanical & Fluid Systems
A team of researchers from the Georgia Institute of Technology has developed a way to use 3D printers to create objects capable of shape change. The objects use tensegrity, a structural system...
Briefs: Mechanical & Fluid Systems
Low-Pressure Plasma Cleaning of Aerospace Components Using Breathing/Compressed Air
A method for precision cleaning of aerospace components is needed that does not use hazardous or environmentally harmful commodities. Historically, precision cleaning methods have utilized solvents that have contributed to the depletion of the ozone layer or had...
Briefs: Mechanical & Fluid Systems
The Mars 2020 coring drill will generate a significant amount of dust and debris (known as fines) due to the volume of milled material displaced by the corer's annulus. These cuttings must be removed to ensure that the...
Briefs: Mechanical & Fluid Systems
Compact, Lightweight Trap Vent
This compact, lightweight trap vent is used to minimize the pressure differential of a high-altitude, balloon-borne detector. The vent allows the pressure to equalize rapidly, yet does not allow any light to enter the detector.
Briefs: Mechanical & Fluid Systems
To measure organics in a fluid sample, one either has to bring the sample in the form of a colloid to the instrument, or extract the organics from the sample and bring the...
Briefs: Mechanical & Fluid Systems
Advanced Tool Drive System (ATDS) Camera Positioning Mechanism (CPM)
Robotic servicing of a satellite in low earth orbit (LEO) or geosynchronous Earth orbit (GEO) requires advanced systems capable of meeting the harsh environments of space. To support this effort, the Goddard Space Flight Center Satellite Servicing Capabilities Office (SSCO) has...
Top Stories
Blog: Lighting
A Stretchable OLED that Can Maintain Most of Its Luminescence
Blog: Energy
Batteries that Can Withstand the Cold
INSIDER: Energy
Advancing All-Solid-State Batteries
Blog: Power
My Opinion: We Need More Power Soon — Is Nuclear the Answer?
Quiz: Power
Blog: Data Acquisition
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