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Briefs: Medical
Automated Behavior and Cohesion Assessment Tools (ABCAT)
An important consideration of long-duration spaceflight operations is interpersonal dynamics that affect crew cohesion and performance. Flight surgeons have stated the need for unobtrusive monitoring to help detect if crews are having difficulties coping with long-duration spaceflight...
Briefs: Medical
Algorithm Measures Range of Motion and Applies Eccentric and Concentric Loads DuringExercise
Microprocessor-controlled exercise equipment that uses a servomotor has the capability to adjust the applied resistive load based on position, velocity, and acceleration. One method of applying the resistive load consists of applying a greater...
Briefs: Information Technology
Generalized Query Tool for Accessing the Database of the Mars Relay OperationsService (MaROS)
The Generalized Query Tool for accessing the database of MaROS can be utilized in three modes: (1) batch mode where a user's authentication data is inserted directly along with a desired query to the database, (2) interactive mode where a...
Briefs: Information Technology
High-Performance Fault-Tolerant xEmbedded Computing (HPFEC) Benchmark Suite
This work arises out of the Next Generation Space Processor (NGSP) project, a collaborative effort among several NASA centers and the Air Force Research Laboratory. The goal of NGSP is to develop the next generation of radiation-hardened, fault-tolerant, space-worthy...
Briefs: Information Technology
JPF-NAS Extension of Java Pathfinder
Java PathFinder (JPF) version 7 provides basic support for verifying the distributed Java applications. It can receive a distributed Java application as input that is perceived as multiple Java processes. However, JPF does account for communication between processes of the distributed application, and it thus...
Briefs: Information Technology
Institutional Budgeting Tool (IBT)
The Jet Propulsion Laboratory's Institutional Budgeting Tool (IBT) was designed and developed to meet the needs of JPL's budget planners, numbering 1,600, who required a robust and state-of-the-art budgeting application. JPL's budgeting process had been constrained by legacy tools that presented usability and...
Briefs: Manufacturing & Prototyping
Use of Beam Deflection to Control an Electron Beam Wire Deposition Process
NASA Langley Research Center researchers have a strong technology foundation in the use of electron-beam (e-beam) deposition for freeform fabrication of complex shaped metal parts. While e-beam wire deposition is of interest for rapid prototyping of metal parts,...
Briefs: Manufacturing & Prototyping
Thermal Stir Welding Process
NASA's Marshall Space Flight Center is developing an improved joining technology called thermal stir welding that improves upon fusion welding and friction stir welding. This new technology enables a superior joining method by allowing manufacturers to join dissimilar materials and to weld at high rates. NASA's...
Briefs: Manufacturing & Prototyping
NASA'S Langley Research Center has developed a new adhesively bonded joint concept for curved and flat panel sandwich architectures....
Briefs: Manufacturing & Prototyping
Human susceptibility to the harsh space radiation environment has been identified as a major hurdle for exploration beyond low-Earth orbit (LEO). High-energy...
Briefs: Manufacturing & Prototyping
Human-occupied vehicles and autonomous vehicles such as rovers and landers may benefit from the fuel flexibility and high energy density of solid oxide fuel cells (SOFCs),...
Briefs: Manufacturing & Prototyping
Tool Designs for Friction Stir Welding
Friction stir welding (FSW) is a solidstate welding process that shows promise in the aerospace industry. A new system of experimentation has been used to quickly make and screen new tool designs. After conducting a literature review, friction stir tools were designed to optimize material flow around the tool.
Briefs: Manufacturing & Prototyping
NASA has investigated and demonstrated the simultaneous production of methane (CH4) and oxygen (O2)...
Briefs: Sensors/Data Acquisition
NASA's Langley Research Center has developed a new eddy current inspection device that probes for cracks in parts of metal structures that are often inaccessible without extensive disassembly....
Briefs: Electronics & Computers
NASA Langley Research Center’s Electric Field Imaging (EFI) system is the only noncontact method capable of quantitatively measuring the magnitude and direction of electrostatic fields...
Briefs: Electronics & Computers
ADC-DC converter that can operate from a high input voltage is needed for future high-power space applications. However, the selection of space-qualified, high-voltage transistors and filter...
Briefs: Electronics & Computers
Larger-Area Integrated Electrical Metallization Dielectric Structures with Stress-Managed Unit Cells for Extreme- Environment Semiconductor Electronics Chips
The use of patterned multiple layers of thin films of metal and dielectric to form integrated circuit interconnections of transistors and/or form on-chip circuit capacitors is well known to...
Briefs: Materials
NASA’s Glenn Research Center (GRC) has developed a method for fabricating low-density, flexible aerogel composites for use as thermal insulation for myriad...
Briefs: Materials
NASA’s Glenn Research Center has developed a new method for producing a shock- and corrosion-proof, superelastic, intermetallic material, NiTiNOL 60 (60NiTi), for...
Briefs: Materials
NASA’s Kennedy Space Center (KSC) seeks to license its Polyimide Wire Insulation Repair System technology to industry. The Polyimide Wire Insulation Repair System is a kit consisting of thin film...
Briefs: Materials
CHIEFS (Convective Heating Im provement for Emergency Fire Shelters) is being developed by NASA’s Langley Research Center to potentially improve the performance of emergency...
Briefs: Mechanical & Fluid Systems
Airfoil-Shaped Fluid Flow Tool for Use in Making Differential Measurements
Researchers at NASA’s Marshall Space Flight Center have developed a suite of adaptable flow measurement devices that can be easily installed without compromising the structural integrity of existing conduits. With their simple installation procedures, the devices can be...
Briefs: Mechanical & Fluid Systems
Piezo-Actuated, Fast-Acting Control Valve
High-power electric propulsion systems have the potential to revolutionize space propulsion due to their extremely high performance. This can result in significant propellant savings on space vehicles, allowing the overall mass to shrink for launch on a less expensive vehicle, or to allow the space vehicle...
Briefs: Mechanical & Fluid Systems
Interface Between STAR-CCM+ and 42 for Enhanced Fuel Slosh Analysis
Fuel slosh is excited during spacecraft maneuvers. The forces and torques exerted on the spacecraft by the slosh must be controlled by the attitude control system to maintain correct pointing and spacecraft orbit. In some rare cases, the attitude control system may excite the slosh...
Briefs: Motion Control
Mechanisms for Achieving Non-Sinusoidal Waveforms on Stirling Engines
The current state-of-the-art Stirling engines use sinusoidal piston and displacer motion to drive the thermodynamic cycle and produce power. Research performed at NASA Glenn has shown that non-sinusoidal waveforms have the potential to increase Stirling engine power density, and...
Briefs: Mechanical & Fluid Systems
RFID Cavity
This technology provides a method for interrogating collections of items with radio-frequency identification (RFID) tags. It increases the read accuracy, meaning that more of the item tags will be successfully read. It also permits smaller tag antennas than would otherwise be necessary.
Briefs: Aerospace
Method for Asteroid Volatile Extraction in Space
Some meteorites representative of certain classes of asteroids are 25% or more water by weight. This is consistent with infrared spectra of some asteroids, indicating hydrated minerals are abundant in some varieties of carbonaceous chondrite asteroids. Since water is very valuable in space, it would...
Briefs: Mechanical & Fluid Systems
Improving Stirling Engine Performance Through Optimized Piston and Displacer Motion
Stirling engines typically achieve high efficiency, but lack power density. Low power density prevents them from being used in many applications where internal combustion engines are viable competitors, and increases system costs in applications that require...
Briefs: Sensors/Data Acquisition
Biomarker Sensor System and Method for Multi-Color Imaging and Processing of Single-Molecule Life Signatures
NASA’s Jet Propulsion Laboratory offers a method to manufacture biomarker sensor arrays with nanoscale resolution and active regions on the order of 1 micron by applying nanolithographic direct-write techniques to the fabrication of Silane...
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