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Briefs: Sensors/Data Acquisition
Intelligent Displacement Sensor Deployment Using MTConnect Protocol over Ethernet
Quality measurements for design validation and certification requirements sometimes call for hundreds or thousands of sensors and actuators. Maintaining such a complex system is difficult, especially over an extended time period and inevitable personnel changes. Many...
Briefs: Software
DiVisa is a multi-dimensional information visualization tool that en ables researchers to understand the behavior of network data.
Briefs: Green Design & Manufacturing
Ammonia Recovery System for Wastewater
NASA's Ammonia Recovery System for Wastewater was developed for potential use as part of the Environmental Control and Life Support Systems (ECLSS) on the International Space Station. The system uses an affordable media that is highly selective for ammonia. Ammonia concentrations in wastewater as high 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: Defense
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: Manufacturing & Prototyping
Research is being performed in adding a fourth dimension to 3D printers — the dimension of time. This technique, called 4D printing, creates moveable and shape-variable objects, such as...
Briefs: Sensors/Data Acquisition
For years, radio frequency identification (RFID) technology has been used in a variety of applications, from passports to inventory tracking. Homeland security concerns have heightened the need...
Briefs: Sensors/Data Acquisition
NASA Langley Research Center researchers have developed a wireless, open-circuit SansEC (Sans Electrical Connections) sensor that can be used for pharmaceutical applications without the need for physical...
Briefs: Manufacturing & Prototyping
Improved Two-Step Replication Process for Producing Precision Optical Mirrors
Production of precision optical mirrors by replication requires molds or mandrels of the complementary shape. For example, replicating a concave mirror requires a convex mandrel. Convex shapes are difficult to fabricate and test since they do not focus light. Convex...
Briefs: Manufacturing & Prototyping
Atomic Layer Deposition (ALD) Coating of High-Precision Components Produced by Selective Laser Melting (SLM)
Atomic Layer Deposition (ALD) is being used as a means of coating various substrate materials with a variety of metallic and ceramic oxides for corrosion and thermal protection. The technology necessary to develop a state-of-the-art,...
Briefs: Manufacturing & Prototyping
A number of instruments have been built to obtain range images — a two-dimensional array of numbers that gives the depth of a scene along many directions from a central point in the instrument. Instead of measuring the...
Briefs: Imaging
NASA's Langley Research Center has developed an aircraft-based turbulence and vortex detection system. Turbulence and vortices in the front-flight path are very dangerous for airplanes....
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...
Briefs: Software
PLOT3D 4.1
PLOT3D is an interactive graphics program designed to help scientists visualize computational fluid dynamics (CFD) grids and solutions. Today, supercomputers and CFD algorithms can provide scientists with simulations of such highly complex phenomena that obtaining an understanding of the simulations has become a major problem. Tools that...
Briefs: Imaging
In dark environments, it is often difficult to get a clear, high-quality image. To address this problem, a method was developed for spherically curving the flat image sensors...
Briefs: Green Design & Manufacturing
When removing very dilute concentrations of pollutants from water, existing separation methods tend to be energy- and chemical-intensive. A new method was developed that could provide a...
Briefs: Sensors/Data Acquisition
NASA's Langley Research Center has developed a novel polymer material that can be utilized as a real-time structural health monitoring sensor. The material is...
Briefs: Imaging
Researchers use fluorescent imaging to locate proteins and other molecules in cells and tissues by tagging the molecules with dyes that glow under certain kinds of light — the...
Briefs: Materials
NASA Langley Research Center has developed technology to increase the adhesive strength between shape memory polymer composites (SMPs) and metal alloys. Shape...
Briefs: Communications
Many industrial and commercial plants, government and private research facilities, and industrial facilities perform potentially dangerous processes. Automated warning and alarm systems alert personnel to...
Briefs: Test & Measurement
Decoupled Ranging and Orientation Inversions Enable Linear and Fast Long-Range Non-Line-of-Sight Positioning
The wireless radio positioning or radiolocation problem is of great importance in society today. Existing radiolocation systems such as the Global Positioning System (GPS), Radio-Frequency Identification (RFID) systems, and Ultra Wide-Band...
Briefs: Aerospace
Calibration and Synchronization of Micro-Air-Vehicle Autopilots
Conventional calibration of an inertial measurement unit (IMU) through open-loop data collection includes typical flight simulator systems that provide processed stimuli to emulate real-life flight conditions. Other solutions involve testing inertial measurement devices on a multi-axis...
Briefs: Test & Measurement
Stennis Space Center has the need to measure the inner wall thickness of cryogenic storage tanks without entering the inner tank of the double-walled vessels. It was proposed that an ultrasonic probe be...
Briefs: Medical
Asthma, which causes inflammation of the airway and obstructs airflow, affects about 300 million people worldwide. Symptoms include coughing, wheezing, shortness...
Briefs: Communications
Reliable, long-range acoustic communications (LRAC) is an enabling technology for numerous applications of manned and unmanned underwater systems. For example, with the capability of communicating at...
Briefs: Energy
Three-Dimensional Zinc Electrode Architectures for High-Performance Batteries
Zinc-based batteries offer a safe, inexpensive alternative to fire-prone lithium-based batteries, yet have been historically limited by poor rechargeability. A 3D zinc (Zn) “sponge” electrode architecture was developed comprising interpenetrating networks of Zn...
Briefs: Test & Measurement
The Micro-ring resonator detector can determine the speed of blood flow and the oxygen metabolic rate at the back of the eye. This information could help diagnose such common and debilitating...
Briefs: Communications
A Smooth-Walled Feedhorn with Sub-30-dB Cross-Polarization Over a 30-Percent Bandwidth
The focus of this research was the design, optimization, and measurement of a monotonically profiled, smooth-walled scalar feedhorn with a diffraction-limited ~14° FWHM (full width at half maximum). It is an easier-to-manufacture, smooth-walled feed that...
Briefs: Materials
NASA’s Langley Research Center has developed an innovative coating to heal cracks in metal components, such as in aircraft and bridges. Currently, the coating is used for in-laboratory repairs of...
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Webcasts
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Cooling a New Generation of Aerospace and Defense Embedded...
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