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Briefs: Materials
Subsurface Imaging of Nanocomposites
A nondestructive method that is based on modified atomic force ultrasonic microscopy (AFUM) methods has been developed for characterizing nanomaterials. The technology allows imaging and quantifying of material properties at the surface and subsurface levels. The technology reveals the orientation of nanotubes...
Briefs: Materials
Self-Healing Glass Sealants for Solid Oxide Fuel Cells and Electrolyzer Cells
A solid oxide fuel cell (SOFC) is an electrochemical device that converts chemical energy into electrical power. A solid oxide electrolyzer cell (SOEC) operates in a reverse mode of SOFC, and produces O2 and H2 gases. SOFCs are being developed for a broad range of...
Briefs: Materials
Micromachined Thermopile Arrays with Novel Thermo-electric Materials
Future missions to outer planets will have stringent limits on payload mass. Thermal imaging instruments to map planetary surfaces will be part of those payloads, and, consequently, will have to be compact and low mass. For thermal instruments, another key requirement will be...
Briefs: Materials
Low-Cost, High-Performance MMOD Shielding
High-performance micro-meteoroid and orbital debris (MMOD) shielding can be constructed from low-cost, off-the-shelf materials. The advantage in using this innovation is in achieving considerable reduction in both cost and mass of the shielding necessary to protect spacecraft from hypervelocity MMOD...
Briefs: Mechanical & Fluid Systems
The device and method are used to quantify end-to-end latency of head- or helmet-mounted display with head tracking systems in a laboratory or in situ. All commercial or custom head-mounted display...
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Briefs: Mechanical & Fluid Systems
Workspace-Safe Operation of a Force- or Impedance-Controlled Robot
Precise motion control of a robot by controlling its various robotic manipulators may be organized by the required level of task specification. The levels include object-level control, which describes the ability to control the behavior of an object held in a single or a cooperative...
Briefs: Mechanical & Fluid Systems
Cryogenic Mixing Pump with No Moving Parts
Refueling spacecraft in space offers tremendous benefits for increased payload capacity and reduced launch cost, but the problem of thermal stratification in long-term storage tanks presents a key challenge. To meet this challenge, a reliable, compact, lightweight, and efficient cryogenic mixing pump was...
Briefs: Mechanical & Fluid Systems
Seal Design Feature for Redundancy Verification
NASA has requirements for redundant seals to protect human-occupied cabin atmospheres, as well as fluid and gas systems in space vehicles exposed to the harsh environments. Comparable requirements have been passed down to the International Space Station (ISS) Program, and are now levied on the Orion...
Briefs: Mechanical & Fluid Systems
Dexterous Humanoid Robot
A humanoid robot has been created that includes a torso, a pair of arms, a neck, and a head. The torso extends along a primary axis and presents a pair of shoulders. The pair of arms movably extends from the shoulders. Each of the arms is fully jointed. The neck movably extends from the torso along the primary axis, and has...
Briefs: Mechanical & Fluid Systems
Tethered Vehicle Control and Tracking System
This innovation can control the flight of a tethered vehicle, in an airborne wind energy (AWE) generation system, through the use of a pan-tilt platform and a visible spectrum digital camera, combined with tracking and control software running on a standard PC.
Briefs: Physical Sciences
Lunar Organic Waste Reformer
The Lunar Organic Waste Reformer (LOWR) is a novel technology to convert organic wastes from human space exploration outposts into useful propellant constituents. The LOWR meets NASA’s Trash to Supply Gas (TtSG) objective under the Advanced Exploration Systems Logistics Reduction and Repurposing project by integrating...
Briefs: Physical Sciences
Digital Laser Frequency Stabilization via Cavity Locking Employing Low-Frequency Direct Modulation
This project’s goal was to simplify laser frequency stabilization. A simpler system will have many benefits, including reduction of power consumption, complexity, volume, mass, and risk of failure. To implement the Pound-Drever-Hall (PDH) technique...
Briefs: Physical Sciences
Deep UV Discharge Lamps in Capillary Quartz Tubes with Light Output Coupled to an Optical Fiber
Researchers at Jet Propulsion Laboratory have come up with a novel approach to the simplification of the 194-nm light source and optical guidance in mercury trapped ion spectroscopy research. Mercury plasma is generated in a capillary tube with a...
Briefs: Physical Sciences
Speech Acquisition and Automatic Speech Recognition for Integrated Spacesuit Audio Systems, Version II
Astronauts suffer from poor dexterity of their hands due to the clumsy spacesuit gloves during Extravehicular Activity (EVA) operations, and NASA has had a widely recognized but unmet need for novel human-machine interface technologies to...
Briefs: Physical Sciences
Advanced Sensor Technology for Algal Biotechnology
Advanced Sensor Technology for Algal Biotechnology (ASTAB) is an integrated package of water quality and algal physiology sensors designed to enable algae growers to increase significantly productivity and efficiency of their operations, optimize harvesting periods, and avoid losses of...
Briefs: Physical Sciences
High-Speed Spectral Mapper
The Hyperspectral Infrared Imager (HyspIRI) spaceborne mission has two imaging sensors operating in the visible to shortwave infrared (VSWIR) and the thermal infrared (TIR), respectively. The HyspIRI-TIR imaging instrument is being developed for infrared mapping of the Earth in 8 spectral bands with a 5-day revisit time...
Briefs: Information Technology
“Ascent - Commemorating Shuttle” — A NASA Film and Multimedia Project DVD
NASA seeks to preserve, and make readily accessible, historical Space Shuttle launch footage to inspire and educate NASA stakeholders both in and outside the NASA family through the dissemination of the Ascent production materials as a DVD, and through both NASA...
Briefs: Information Technology
High-Pressure, Reduced-Kinetics Mechanism for N-Hexadecane Oxidation
Combustion of realistic fuels is described by thousands of reactions involving thousands of species. Coupling these detailed chemical mechanisms with turbulence simulations is completely impractical because there is no computer powerful enough to solve the resulting equations.
Briefs: Information Technology
Method of Error Floor Mitigation in Low-Density Parity-Check Codes
Low-density parity-check (LDPC) codes often suffer from an “error floor” in which increasing signal-to-noise ratios do not lead to substantially better error rate performance. Error floors of LDPC codes are often not an inherent problem of the code design, but rather, a...
Briefs: Information Technology
X-Ray Flaw Size Parameter for POD Studies
Nondestructive evaluation (NDE) method capability is determined by a statistical flaw detection study called probability of detection (POD) study. In many instances, the NDE flaw detectability is given as a flaw size such as crack length. The flaw is either a crack or behaving like a crack in terms of...
Briefs: Information Technology
Large Eddy Simulation Composition Equations for Two-Phase Fully Multicomponent Turbulent Flows
Liquid sprays are commonly used to inject fuels into combustion devices, making it important to study multicomponent (MC) two-phase flows in order to reveal their physics. “Multicomponent” is the terminology describing all fuels that are combinations...
Briefs: Information Technology
Scheduling Targeted and Mapping Observations with State, Resource, and Timing Constraints
This innovation creates observations of both targeted geographical regions of interest and general mapping observations, while respecting spacecraft constraints such as data volume, observation timing, visibility, lighting, season, and science priorities. This...
Technologies: Mechanical & Fluid Systems
Reseatable Pressure Relief Valve Prevents Leaks
DuPont A new technology prevents leaks in low-pressure (less than 50 psi) relief valves. To form a tight seal, the valve spring compresses the valve’s O-ring between two planar mating surfaces. Both the valve seat and the sealing surface of the valve head are oriented substantially perpendicular to...
Technologies: Energy
Sounding Technology Analyzes Reservoir Beds
Laser Consult A novel technology investigates reservoir beds of oil, gas, freshwater, and thermal water deposits. The system, which uses electromagnetic frequency broadband sounding, gathers information to a depth of up to 7,000 meters. For effective operation on deposits, the technology draws up...
Tech Needs
Sterility Verification of a Flowing Liquid
A client seeks a device capable of detecting contamination in a liquid flow. The system needs to detect non-liquid particles, bacteria, yeasts, mold, and/or spores in a continuous liquid stream. Any proposed sensing methodology must not physically interact with the liquid flowing in the interior of the...
Products
The USB-2404-UI from Measurement Computing, Norton, MA, offers simultaneous sampling at up to 100 S/s, per channel, on four 24-bit channels of universal analog input. The device is designed for multi purpose testing, and...
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Products: Aerospace
Designed for battery-powered and low-voltage applications, the MAC402 from JVL is the VDC version of the MAC400 400-W integrated servo motor. The supply range for the MAC402 is 12 to 48 VDC, and full power of 400W (RMS)...
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Products: Aerospace
Nano Circular Connector
TE Connectivity’s CeeLok FAS-T nano circular connector is a nano-miniature, rugged I/O connector capable of meeting 10 gigabit Ethernet performance. The proven, noise-canceling contact configuration minimizes crosstalk, making it suitable for a variety of markets and applications, including missiles, UAVs, soldier systems,...
Products: Defense
PEEK Wear Compounds
The LUVOCOM 8000 series of PEEK wear compounds from Lehvoss North America incorporates proprietary additives that further elevate the wear resistance of PEEK compounds. Through research and testing, Lehvoss designed the LUVOCOM 8000 product line to have a tribological profile significantly surpassing previously known materials...

Ask the Expert

Eric Dietsch on the Benefits of Nitinol Wire
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In collaboration with the Fort Wayne Metals Engineering team, Eric Dietsch focuses on supporting customers with material recommendations, product development, and education. Eric is available to help you and your company with any Nitinol-related questions or needs that you may have.

Inside Story

Inside Story: Trends in Packaging and Sterilization
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Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.