News: Electronics & Computers
Amphenol Industrial Products Group’s ePower connectors series, rated at 800 to 1000 V dc, now includes right angle overmolded connectors for 200 A and 400 A connection systems. New designs for higher...
Briefs: Electronics & Computers
Efficient support of planetary surface missions typically requires an orbiting asset that acts as a relay point to/from Earth. Orbital relay passes are normally 5 to 15 minutes in duration over any specific landed site. When multiple landed assets are co-located or near-located in the...
Briefs: Electronics & Computers
Scientific imaging arrays need to have their individual imaging elements arranged in a close-spaced mosaic. The typical single imaging element is a silicon chip mounted on a larger support frame. This...
Briefs: Electronics & Computers
This effort ports the Core Flight Executive (cFE)/Core Flight System (CFS) flight software architecture to multicore processor platforms, and provides mission developers with a common, flightready, flexible software environment that supports single, multi-processor, and multicore systems. Currently the...
Briefs: Electronics & Computers
One of the most common causes of electronics failure is moisture. Because water and electronics do not mix well, several strategies exist to protect mission-critical components from...
Briefs: Sensors/Data Acquisition
The Advanced Spacecraft Navigation and Timing using Celestial Gamma-Ray Sources concept is a novel relative navigation technology for deep-space exploration using measurements of celestial gamma-ray sources. This new Gamma-ray source Localization-Induced Navigation and...
Briefs: Sensors/Data Acquisition
Frequency modulation of a single-frequency laser with a linear triangular waveform is of great interest to many laser remote sensing and interferometry applications. Linear frequency modulation of a continuous-wave (CW) laser beam can make target...
Briefs: Sensors/Data Acquisition
The Outlier Detection Via Estimating Clusters (ODVEC) software provides an efficient method for real-time or offline analysis of multivariate sensor data for use in anomaly detection, fault detection, and system health monitoring. ODVEC uses models automatically derived from archived system data to identify...
Briefs: Sensors/Data Acquisition
The microgravity conditions of space travel create unique physiological demands on the astronauts’ skeletal structures, resulting in a reduction in bone strength from restructuring of the micro-architecture and loss of key minerals. An ultrasound system was developed that is capable of...
Briefs: Manufacturing & Prototyping
This innovation integrates existing highperformance metallic materials and manufacturing technologies (all of which are now certified and used to produce thinner stiffened panels for launch vehicle structures) in a novel manner to allow fabrication of more structurally efficient...
Briefs: Manufacturing & Prototyping
Robust, high-temperature containment cartridges are needed for processing materials science experiments in microgravity. In general, the refractory metals (Nb, Ta, Mo, W, Re) possess the chemical inertness and high melting temperatures desired. Of these materials, niobium and tantalum...
Briefs: Manufacturing & Prototyping
Creation of a structural joint for a heat shield for extreme entry environments requires structural fibers penetrating through the thickness of the shield at joint locations. The structural fibers must be made of carbon to withstand extremely high temperatures,...
Briefs: Manufacturing & Prototyping
Precision shims are used as compensators to absorb tolerances between mating components. They significantly reduce manufacturing costs by eliminating the need for each component to be precision-machined in order to achieve the...
Briefs: Materials
The initiation and propagation of damage ultimately results in failure of aircraft structural components. Often, impact damage is difficult to identify in-service, and hence design of continuous carbon fiber reinforced polymer...
Briefs: Materials
NASA has a clear need to develop new technology in support of its future goals, including missions beyond low-Earth orbit, the possible development of lunar outposts, and the eventual exploration of Mars. As these missions develop, it is anticipated that crew members will...
Briefs: Materials
Ti-based bulk metallic glasses (BMGs) and matrix composites (BMGMCs) are a subset of the class of materials known synonymously as amorphous metals, liquid metals,...
Briefs: Materials
An experimental study was conducted in conjunction with the research and development program at the NASA Marshall Space Flight Center (MSFC) on thermal protection systems (TPS) for aerospace applications, a new...
Briefs: Materials
This suite of computer programs, called “tools,” is used to calculate local flow angles over damage sites in the Shuttle Orbiter Thermal Protection System (TPS). It provides a quick and easy way to compute cross flow angles over points of interest on the Shuttle Orbiter TPS.
Briefs: Mechanical & Fluid Systems
The area of research known as “Planetary Defense” is largely concerned with identifying and tracking asteroids that could impact Earth. The vast majority of asteroids that pose such a risk are known as “Near Earth Asteroids/Objects” or NEAs and NEOs. Some of them are unknown,...
Briefs: Mechanical & Fluid Systems
Multipath, multistage, erosion-resistant flow control valves have been developed that can sustain the extremely high pressure of deep oil wells. Fitting in the restricted...
Briefs: Mechanical & Fluid Systems
The current coring bit and percussive drilling style works very well for strong rocks; however, when coring into weak, crumbling rock, the core tends to break apart and simply fall...
Briefs: Mechanical & Fluid Systems
Cryogenic fluid control valves require actuation that controls the geometric position of the orifice in a thermally stable manner. Traditional actuator devices may have various materials used in their construction that have varying CTEs (coefficients of thermal expansion) and therefore may...
Briefs: Mechanical & Fluid Systems
The amine swingbed was in development for incorporation into Orion’s environmental control and life support system to remove metabolic carbon dioxide and humidity from the crew atmosphere. The compact, low-power...
Briefs: Medical
To ensure mission success, astronauts must maintain a high level of performance, even when work-rest schedules result in chronic sleep restriction and circadian misalignment, both of which can contribute to fatigue and performance deficits unless effective countermeasures are used. The overarching goal of this project is to...
Briefs: Medical
Nanomaterials are comparable in size to various biomolecules (1 to 100 nm), and have unique properties such as enhanced electrical conductivity, increased chemical reactivity, and novel optical properties that make them attractive candidates for...
Briefs: Medical
This invention relates to the general field of bio-chemical separations. Current methods for separating nucleic acids either lack sufficient selectivity or large-capacity production as required for gene therapy or DNA vaccines or other applications. There is a...
Briefs: Medical
Tissue engineering (TE) is an emerging field for tissue repair and regeneration compared to conventional techniques including autograft and allograft, through engineering functional implants created from living cells. TE is a highly interdisciplinary research area where material science,...