Techs for License
Co-Extrusion Process Prevents Ingredient Co-Mingling

This co-extrusion process helps turn a batch process into a continuous production process, thus speeding the production line and enabling production of materials that otherwise might be difficult or impossible to produce using conventional extrusion and post-extrusion processing.

Techs for License
Shape-Memory Diaphragm Shutter Valve for Fluid Flow Interception and Icing Prevention

This valve for gases, liquids, or powdery materials has an extremely simple and low-cost structure. Opening and closing functions are generated by using shape-memory wires, which move a diaphragm shutter element. The shape memory can reshape the diaphragm to...

NASA’s long-duration human missions far from Earth and operation of closed-loop life support systems have critical needs for monitoring and control for environmental quality and...

The increasing cost of fuel and U.S. dependency on foreign fuel supplies has renewed interest in conserving energy and in generating electric power using...

Application Briefs: Electronics & Computers
Design Data Management Keeps Rover Circuit Boards in Check
Design data management system
DKB Resources
Santa Barbara, CA
805-963-8709
www.dkbresources.com

NASA’s Jet Propulsion Laboratory (JPL) contracted DKB...

Application Briefs: Sensors/Data Acquisition
Lightning Monitoring System Helps Protect Shuttle
Genesis HighSpeed data acquisition products
HBM
Marlborough, MA
800-578-4260
www.hbm.com/highspeed

In order to protect the space shuttle from lightning strikes...

The Centennial Challenges are NASA’s prizes for the citizen inventor. Through open competitions, we seek novel solutions from diverse sources in technology...

Determination of neutral winds and ion drifts in low-Earth-orbit missions requires measurements of the angular and energy distributions of the flux of neutrals and...

Briefs: Physical Sciences
Three Methods of Detection of Hydrazines

Three proposed methods for measuring trace quantities of hydrazines involve ionization and detection of hydrazine derivatives. These methods are intended to overcome the limitations of prior...

Briefs: Physical Sciences
Cryogenic Moisture Apparatus

The Cryogenic Moisture Apparatus (CMA) is designed for quantifying the amount of moisture from the surrounding air that is taken up by cryogenic-tank-insulating material specimens while under typical conditions...

A transportable atom interferometer-based gravity gradiometer has been developed at JPL to carry out measurements of Earth’s gravity field at ever finer spatial resolutions,...

Briefs: Mechanical & Fluid Systems
Instrument for Analysis of Greenland’s Glacier Mills

A new instrument is used to study the inner workings of Greenland’s glacier mills by riding the currents inside a glacier’s moulin. The West Greenland Moulin Explorer instrument was deployed into a tubular shaft to autonomously record temperature, pressure, 3D acceleration, and location....

Briefs: Electronics & Computers
Wavefront Correction for Large, Flexible Antenna Reflector

A wavefront-correction system has been proposed as part of an outer-space radio communication system that would include a large, somewhat flexible main reflector antenna, a smaller subreflector antenna, and a small array feed at the focal plane of these two reflector antennas. Part of...

Previous microstrip-to-waveguide transitions either required a hermetically sealed waveguide configuration, or a balun that needed to be tuned according to the frequency band...

Briefs: Electronics & Computers
Thin-Film Ferroelectric-Coupled Microstripline Phase Shifters With Reduced Device Hysteresis

This work deals with the performance of coupled microstripline phase shifters (CMPS) fabricated using BaxSr1-xTiO3 (BST) ferroelectric thin films. The CMPS were fabricated using commercially available pulsed laser...

Briefs: Electronics & Computers
Two-Stage, 90-GHz, Low-Noise Amplifier

A device has been developed for coherent detection of the polarization of the cosmic microwave background (CMB). A two-stage amplifier has been designed that covers 75–110 GHz. The device uses the emerging 35-nm InP HEMT technology recently developed at Northrop Grumman Corporation primarily for use at...

Briefs: Electronics & Computers
A 311-GHz Fundamental Oscillator Using InP HBT Technology

This oscillator uses a single-emitter 0.3-μm InP heterojunction bipolar transistor (HBT) device with maximum frequency of oscillation (fmax) greater than 500 GHz. Due to high conductor and substrate losses at submillimeter-wave frequencies, a primary challenge is to...

Briefs: Electronics & Computers
FPGA Coprocessor Design for an Onboard Multi-angle Spectro-Polarimetric Imager

A multi-angle spectro-polarimetric imager (MSPI) is an advanced camera system currently under development at JPL for possible future consideration on a satellite-based Aerosol-Cloud-Environment (ACE) interaction study. The light in the optical system is subjected to a...

Briefs: Software
Integrated Budget Office Toolbox

The Integrated Budget Office Toolbox (IBOT) combines budgeting, resource allocation, organizational funding, and reporting features in an automated, integrated tool that provides data from a single source for Johnson Space Center (JSC) personnel. Using a common interface, concurrent users can utilize the data...

Briefs: Software
PLOT3D Export Tool for Tecplot

The PLOT3D export tool for Tecplot solves the problem of modified data being impossible to output for use by another computational science solver. The PLOT3D Exporter add-on enables the use of the most commonly available visualization tools to engineers for output of a standard format. The exportation of PLOT3D...

Briefs: Software
Math Description Engine Software Development Kit

The Math Description Engine Software Development Kit (MDE SDK) can be used by software developers to make computer-rendered graphs more accessible to blind and visually-impaired users. The MDE SDK generates alternative graph descriptions in two forms: textual descriptions and non-verbal sound...

Briefs: Software
Astronaut Office Scheduling System Software

AOSS is a highly efficient scheduling application that uses various tools to schedule astronauts’ weekly appointment information. This program represents an integration of many technologies into a single application to facilitate schedule sharing and management. It is a Windows-based application...

Briefs: Software
ISS Solar Array Management

The International Space Station (ISS) Solar Array Management (SAM) software toolset provides the capabilities necessary to operate a spacecraft with complex solar array constraints. It monitors spacecraft telemetry and provides interpretations of solar array constraint data in an intuitive manner. The toolset provides...

Briefs: Software
Probabilistic Structural Analysis Program

NASA/NESSUS 6.2c is a general-purpose, probabilistic analysis program that computes probability of failure and probabilistic sensitivity measures of engineered systems. Because NASA/NESSUS uses highly computationally efficient and accurate analysis techniques, probabilistic solutions can be obtained even...

Briefs: Software
SPOT Program

A Spacecraft Position Optimal Tracking (SPOT) program was developed to process Global Positioning System (GPS) data, sent via telemetry from a spacecraft, to generate accurate navigation estimates of the vehicle position and velocity (state vector) using a Kalman filter. This program uses the GPS onboard receiver measurements to...

Briefs: Software
Integrated Hybrid System Architecture for Risk Analysis

A conceptual design has been announced of an expert-system computer program, and the development of a prototype of the program, intended for use as a project-management tool. The program integrates schedule and risk data for the purpose of determining the schedule applications of safety...

Proposed special-purpose turbomolecular pumps denoted turbotraps would be designed, along with mating open containers, to prevent the escape of relatively slowly (thermal) moving gas...

A method of ensuring the complete transfer of liquid droplets from nozzles in microfluidic devices to nearby surfaces involves relatively simple geometric modification of the nozzle...

Briefs: Manufacturing & Prototyping
Triaxial Swirl Injector Element for Liquid-Fueled Engines

A triaxial injector is a single bi-propellant injection element located at the center of the injector body. The injector element consists of three nested, hydraulic swirl injectors. A small portion of the total fuel is injected through the central hydraulic injector, all of the oxidizer...

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