Stories
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Briefs: RF & Microwave Electronics
Microwave Regenerative Sorbent-based Hydrogen Purifier (MRSHP)
The Microwave Regenerative Sorbent-based Hydrogen Purifier (MRSHP) is a unique microwave power-based technology demonstrator created for the purification of a hydrogen product stream produced by the Plasma Pyrolysis Assembly (PPA). The MRSHP prototype uses 2.45-GHz microwave power to...
Briefs: RF & Microwave Electronics
Low-Power Wireless Body Area Network (WBAN) Communication System
NASA seeks semi-passive, RFIDenabled wearable tags for inventory tracking and astronaut body area network applications. Wearable sensor tags can be printed on astronaut clothing or suits, and are powered by printed thin film batteries and/or via energy harvesting. Energy is harvested...
Briefs: RF & Microwave Electronics
RF System MATLAB Model Simulation Using a Variety of Data Sources
During the development of the Soil Moisture Active-Passive (SMAP) High-Power Amplifier (HPA), a power glitch was observed with the characteristic of producing small 0.1-0.3 dB jumps in power across temperature. In order to troubleshoot this glitch behavior, a nonlinear model that...
Briefs: Mechanical & Fluid Systems
Lightweight, Reusable Payload Launch and Transportation Latch
This innovation addresses the problem of automatic engagement and disengagement of payloads from their transport vehicle when lifted by a crane or other material handling device. The prior state-of-the-art is in material handling devices that require personnel to activate the latch, or...
Briefs: Mechanical & Fluid Systems
Structural Assembly Incorporating Integral Thermal Heat Spreader for Cold Plate Cooling
In a structural cold plate, typically there is a structural member such as a honeycomb panel or a brazed sandwich assembly that provides the structural strength, and at least one cold plate that cools equipment attached to the structural member. The cold plate...
Briefs: Mechanical & Fluid Systems
Advanced Magnetostrictive Regulator, Valve, and Force-to-Angle Sensor
Typical aerospace rocket engines use valves to control the flow and pressures of propellant and pressurants. These typical valves are designed to operate with a mechanical, electromechanical, or pneumatic operator. They all have at least one, and often multiple, penetrations from...
Briefs: Mechanical & Fluid Systems
To date, there are solutions that can collect samples by being deployed from a distance from a low-gravity body or using a touch-and-go approach. To increase precision collection of samples...
Briefs: Mechanical & Fluid Systems
The Clamshell mechanism, with one quick action, acquires and retains a sample from a small body surface while minimizing sampling energy. The sampler has two quarter-sphere buckets that are driven into the small body surface....
Briefs: Mechanical & Fluid Systems
A working prototype of a non-explosive, static rock splitter for space exploration using shape memory alloys (SMAs) as the driving member also has terrestrial applications. The static, compact, non-explosive...
Briefs: Mechanical & Fluid Systems
Passive, Low-Insertion-Force/High-Retention-Force Cam Plug Design for Sample Tube Sample Caging
AMars “sample caching rover” mission designed to collect, document, and package samples for future collection and return to Earth was recommended as the highest-priority mission for 2013–2022 by the 2011 Planetary Decadal Survey. A key premise of...
Briefs: Mechanical & Fluid Systems
Design Support and Analysis Tool for Pyrotechnically Actuated Valves
This software predicts flow through the initiator of a Primer Chamber Assembly Valve. These valves exhibited a potential failure mode for specific operating conditions where dual simultaneous firings of the initiator occurred. The software tool was able to identify a fluid dynamic...
Briefs: Mechanical & Fluid Systems
The Deployable Extra-Vehicular Activity Platform (DEVAP) is a staging platform for egress and ingress attached to a lunar, Mars, or planetary surface habitat airlock,...
Briefs: Mechanical & Fluid Systems
There is a wide range of spacecraft thermal management applications that require variable conductance devices such as thermal switches. These switches are used to help maintain the heat source (electronics) temperature...
Briefs: Electronics & Computers
High-Bandwidth, Wide Field-of-View, Ultra-Sensitive, Radiation-Hardened, Short-Wave Infrared (SWIR) Receiver
Every LiDAR design faces the classic balancing act of signal versus noise. In order to maximize the range of a LiDAR, a receiver must amplify fractions of a micro-amp of photo current into a usable range for signal processing to occur, but...
Briefs: Electronics & Computers
The proposed technology involves the sensitive detection of magnetic fields using the zero-field, spin-dependent...
Briefs: Electronics & Computers
The International Space Station (ISS) uses a fiber optic High Rate Data Link (HRDL) standard for transferring data. ISS experiments, however, may prefer an Ethernet interface. This design allows ISS...
Briefs: Electronics & Computers
Flash LIDAR Emulator
The Flash LIDAR Emulator is a computer system designed to be functionally equivalent to a Flash LIDAR sensor camera. The system has the same hardware interfaces as the sensor, and produces images of comparable quality to the flash LIDAR sensor in real time (30 frames per second). The emulator is then used as a substitute for...
Briefs: Electronics & Computers
Nanotube-Based Device Cooling System
Carbon nanotubes (CNTs) are being studied for use in high-strength/lowweight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. Carbon nano tubes have attracted much attention due to their...
Briefs: Electronics & Computers
Architecture for an Intermediate-Frequency Digital Downconversion and Data Distribution Network
NASA’s Deep Space Network (DSN) is looking to modernize aging downlink receivers for telemetry, tracking, and radio science. It is looking to replace multiple types of custom-built, special-purpose receivers with a unified receiver architecture that...
Briefs: Electronics & Computers
Reliability Assessment of CCGA 1752 Advanced Interconnect Kyocera Packages for Extreme Thermal Environments
Ceramic Column Grid Array (CCGA) packages have been increasing in use based on advantages such as high interconnect density, very good thermal and electrical performance, compatibility with standard surface-mount packaging assembly processes,...
Briefs: Sensors/Data Acquisition
A pressure sensor was developed based on a piezoelectric bending resonator. The resonator is covered and mechanically coupled with a sealed enclosure. The impedance spectrum of the...
Briefs: Sensors/Data Acquisition
Using a Ubiquitous Conductor to Power and Interrogate Wireless Passive Sensors and Construct a Sensor Network
Many methods have been developed for interrogation of wireless passive sensors. Surface acoustic wave (SAW) sensors and RF reflection sensors can receive and reflect electronic magnetic waves that are broadcast and received by the antennas....
Briefs: Sensors/Data Acquisition
Full-Field Inverse Finite Element Method for Deformed Shape- and Stress-Sensing of Plate and Shell Structures
Structural health management systems that, by way of real-time monitoring, help mitigate accidents due to structural failures, will become integral technologies of the next-generation aerospace vehicles. Advanced sensor arrays and signal...
Briefs: Sensors/Data Acquisition
Pressure-Optimized Optical Breath Gas Analyzer for Portable Life Support Systems
Optical detection of gaseous carbon dioxide, water vapor (humidity), and oxygen is desired in Portable Life Support Systems (PLSS) incorporating state-of-the-art CO2 scrubbing architectures. Earlier broadband detectors are nearing their end of life, and recent advances...
Briefs: Sensors/Data Acquisition
Lightweight Metal Rubber Textile Sensor for In-Situ Lunar Health Monitoring
Extravehicular activities (EVAs) are dangerous to astronauts for a number of reasons, including high levels of physical exertion, potential for impacts by space debris particulates that could puncture the spacesuit and cause depressurization, Moon dust exposure that is...
Briefs: Aerospace
Autonomous Leading-Edge Slat Device for Reduction of Aeroacoustic Noise Associated with Aircraft Wings
Conventional transport aircraft wing design is driven mainly by cruise efficiency, i.e., adequate lift is generated at high speed for level flight with minimal drag. Conventional high-lift systems (leading edge slats and trailing edge flaps) were...
Briefs: Aerospace
StormGen Weather Editor
Experiments that take into account the impact of convective weather on airspace operations, future concepts, and flight deck tools require a source of weather data that is readily available, of predictable quality, and tailorable to experimental objectives. Real-world weather data is sparse, highly random, and disorganized....
Briefs: Aerospace
Pair-wise Trajectory Management (PTM) Airborne Human Machine Interface (HMI) Display Design
Pair-wise Trajectory Management (PTM) is a concept that utilizes airborne and ground-based capabilities to enable airborne spacing operations in oceanic regions. The goal of PTM is to use enhanced surveillance, along with airborne tools, to manage the...
Briefs: Aerospace
Airframe noise is a significant part of the overall noise of typical transport aircraft during the approach and landing phases of flight. Airframe noise reduction is...
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Webcasts
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