Keyword: Hazards and emergency operations

Briefs: Manufacturing & Prototyping

There is a need to develop an efficient method for processing lunar regolith in support of future missions to colonize the Moon. A system for heating lunar regolith (“moon soil”) using...

Briefs: Physical Sciences

There is a need to advance the development of high energy density batteries, along with other efficient alternative energy sources. The need for batteries having a higher energy...

Application Briefs: Manufacturing & Prototyping
Oxygen shipping containers
Americase
Waxahachie, TX
800-972-2737
www.americase.biz

Americase designed, developed, and completed the first HM224B/DOT31FP shipping...

Briefs: Semiconductors & ICs
Sub-Nanosecond, Compact, Low-Power Time-Interval Measurement

This innovation is a sub-nanosecond time-interval measurement that is compact and inexpensive, implemented in a field-programmable gate array (FPGA). Currently, high-speed count ers or semi-custom or custom ASICs (application specific integrated circuits) are used for time-interval...

Briefs: Software
Simulation of Charge Carrier Mobility in Conducting Polymers

Electric conduction in polymers is one of the key elements in avoiding catastrophic internal electrostatic discharge in dielectrics during space missions. This software package enables the simulation of carrier mobility for any given site concentration, which is a material design...

Articles: Sensors/Data Acquisition

NASA runs and partners in many missions dedicated to monitoring the Earth, and the tools used in these missions continuously return data on everything from shifts in temperature, to cloud...

Briefs: Electronics & Computers
Methods for Mitigating Space Radiation Effects, Fault Detection and Correction, and Processing Sensor Data

The Integrated Modular Avionics (IMA) architecture being developed for space applications requires that sensor data be autonomously sampled and transmitted to the system network. This transmission needs to occur on a predetermined, fixed...

Briefs: Electronics & Computers
Compact Ka-Band Antenna Feed with Double Circularly Polarized Capability

NASA has an interest in utilizing the Ka-band frequency allocation. One of the main reasons for migrating to Kaband is the need for higher frequency bandwidth to enable higher data rates. A dual circular polarized wideband antenna for Ka-band communications applications was...

Briefs: Materials
Touch Temperature Coating for Electrical Equipment on Spacecraft

A coating has been developed that can be applied to spacecraft equipment to significantly increase the allowable touch temperature limit, while only marginally degrading the heat transfer to the environment.

Briefs: Electronics & Computers
Sensor for Spatial Detection of Single- Event Effects in Semiconductor-Based Electronics

Ionizing radiation has a detrimental effect on digital electronics that need to operate in extraterrestrial environments. As space missions become longer and more complex, there is a need for flight computers that can withstand harsh radiation environments...

Briefs: Electronics & Computers
Using a Commercial Ethernet PHY Device in a Radiation Environment

This work involved placing a commercial Ethernet PHY on its own power boundary, with limited current supply, and providing detection methods to determine when the device is not operating and when it needs either a reset or power-cycle. The device must be radiation- tested and free...

Briefs: Physical Sciences
Transition-Edge Hot-Electron Microbolometers for Millimeter and Submillimeter Astrophysics

The millimeter and the submillimeter wavelengths of the electromagnetic spectrum hold a wealth of information about the evolution of the universe. In particular, cosmic microwave background (CMB) radiation and its polarization carry the oldest information...

Briefs: Physical Sciences

Deployable Fresnel rings (DFRs) significantly enhance the realizable gain of an antenna. This innovation is intended to be used in combination with another antenna element, as the DFR itself acts as a focusing or...

Articles: Imaging

Aging aircraft are an increasing concern. Commercial and government vehicles are being flown past their originally intended service life in order to save money. The answer, however, isn’t merely...

Articles: Energy
The Paradigm Shift in Wind Turbine Technology Glen Lux
Lux Wind Power Ltd., Saskatoon, Saskatchewan, Canada

Imagine a renewable energy source that can produce...

Research News: Lighting

Researchers in Japan have developed a new type of photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful...

Briefs: Information Technology
Development of the Code RITRACKS

A document discusses the code RITRACKS (Relativistic Ion Tracks), which was developed to simulate heavy ion track structure at the microscopic and nanoscopic scales. It is a Monte- Carlo code that simulates the production of radiolytic species in water, event-by-event, and which may be used to simulate tracks and...

Briefs: Physical Sciences

Due to limited resources available for power and space for payloads, miniaturizing and integrating instrumentation is a high priority for addressing the challenges...

Articles: Lighting

The key circuit elements in an LED lamp are the LEDs, the optics, the casing (including heat-sinking) and the driver. The driver now represents anywhere from 10% to 40% of total bulb cost, so selecting the...

Briefs: Electronics & Computers
High-Speed, High-Resolution Time-to-Digital Conversion

This innovation is a series of time-tag pulses from a photomultiplier tube, featuring short time interval between pulses (e.g., 2.5 ns). Using the previous art, dead time between pulses is too long, or too much hardware is required, including a very-high-speed demultiplexer. A faster method...

Briefs: Software

Increasing demand for more advanced wireless systems necessitates the introduction of novel designs that are capable of simultaneously fulfilling multiple operating and performance criteria. The...

Briefs: Lighting

Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.

Briefs: Software
radEq Add-On Module for CFD Solver Loci-CHEM

The radEq software module allows Loci-CHEM to be applied to flow velocities where surface radiation due to heating from compression and friction becomes significant. The module adds a radiation equilibrium boundary condition to the computational fluid dynamics (CFD) code to produce accurate results....

Briefs: Information Technology
Automated Planning of Science Products Based on Nadir Overflights and Alerts for Onboard and Ground Processing

A set of automated planning algorithms is the current operations baseline approach for the Intelligent Payload Module (IPM) of the proposed Hyper spectral Infrared Imager (HyspIRI) mission. For this operations concept, there are only...

Articles: Imaging

The pixel-scale patterning of optical filters directly onto sensors has the potential to drastically simplify and scale down the cost of real-time multispectral imaging....

Briefs: Materials
Phase Change Material for Temperature Control of Imager or Sounder on GOES Type Satellites in GEO

An imager or sounder on satellites, such as the Geostationary Operational Environmental Satellite (GOES), in geostationary orbit (GEO) has a scan mirror and motor in the scan cavity. The GEO orbit is 24 hours long. During part of the orbit, direct...

Briefs: Mechanical & Fluid Systems
Piezoelectrically Initiated Pyrotechnic Igniter

This innovation consists of a pyrotechnic initiator and piezoelectric initiation system. The device will be capable of being initiated mechanically; resisting initiation by EMF, RF, and EMI (electromagnetic field, radio frequency, and electromagnetic interference, respectively); and initiating in...

Application Briefs: Propulsion

Turbines, Inc., a designer and manufacturer of turbine flow metering technology, has assisted NASA with its Morpheus Lander project. Project Morpheus, a vertical testbed, demonstrates new...

Briefs: Software
Galactic Cosmic Ray Event- Based Risk Model (GERM) Code

This software describes the transport and energy deposition of the passage of galactic cosmic rays in astronaut tissues during space travel, or heavy ion beams in patients in cancer therapy. Space radiation risk is a probability distribution, and time-dependent biological events must be...

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