Keyword: Fire

Briefs: Mechanical & Fluid Systems

Fluorocarbon-based fire extinguishing agents are environmentally harmful since they cause depletion of the Earth's ozone layer. Fine Water Mist (FWM)-type systems have very favorable characteristics as...

Who's Who: Communications

In outdoor locations, firefighters and emergency responders can use GPS technology to track one another. Indoor environments like high-rises and...

Technology Leaders: Imaging

Although camera components like CCD and infrared sensors have reached a level of maturity, imaging features continue to evolve. Analysts from the San Francisco, CA-based business consulting firm...

Briefs: Test & Measurement

Research at The University of Nottingham (UK) and the University at Ningbo (China) has found that laser scanning is a viable structural safety technique to detect the damaging...

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...

Briefs: Sensors/Data Acquisition

Innovators at NASA’s Glenn Research Center have developed advanced hydrogen and hydrocarbon gas sensors capable of detecting leaks, monitoring emissions, and providing in situ...

Briefs: Materials
Approach for Achieving Flame Retardancy While Retaining Physical Properties in a Compatible Polymer Matrix

NASA’s Kennedy Space Center (KSC) seeks to license its Advanced Fire Retardant Materials to industry. KSC’s scientists have developed processes and know-how to impart fire retardancy to common polymers such as nylons, polyesters, and...

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...

Briefs: Medical
Medical Oxygen Concentrator for Microgravity Operation

Supplemental oxygen delivery systems are vital to provide a critical life support respiratory function. Whether they are used for patients suffering from lung diseases or other illnesses, or astronauts donning an oxygen mask during a toxic spill or fire on a spacecraft, lightweight and...

NASA Spinoff: Aerospace
NASA Technology

Idaho is a nature-lover’s dream. Forests there blanket swaths of terrain, from the glassy lake regions of the northern Panhandle to the famous trout-fishing streams of the...

Briefs: Mechanical & Fluid Systems

The largest supersonic parachute ever developed is one of the test articles on the Supersonic Flight Dynamics Test (SFDT) vehicle of the Low Density Supersonic Decelerator (LDSD)...

Application Briefs: Sensors/Data Acquisition

As more connected devices enter the market and see wider adoption by an ever increasing number of industries, the Internet of Things (IoT) is rapidly expanding.

Articles: Imaging

Scientists, researchers, automation specialists, electrical and building professionals, and security specialists use thermal imaging cameras (TICs) to discover hidden heat patterns and gain new...

INSIDER: Electronics & Computers

Space is cold, dark, and lonely. Deadly, too, if any one of a million things goes wrong on your spaceship. It’s certainly no place for a computer chip to fail, which can happen due to the...

Who's Who: Materials
Briefs: Imaging
CubeSat-Compatible, High-Resolution, Thermal Infrared Imager

A small, adaptable, and stable thermal imaging system was developed that can be flown on an aircraft, deployed on the International Space Station as an attached payload, launched on a ride-share as an entirely self-contained 3U CubeSat, flown on a small satellite, or be a co-manifested...

Application Briefs: Imaging

In a propellant fire, large molten aluminum drops form at the burning surface. The drops are lofted into the environment and can severely damage anything that they fall on. Liquid breakup must...

Briefs: Data Acquisition

Sample return missions have the ability to vastly increase scientific understanding of the origin, history, current status, and resource potential of solar system objects including...

Briefs: Photonics/Optics

Type-II interband cascade lasers (ICLs) based on the GaSb material system represent an enabling technology for laser absorption spectroscopy in the 3-to-5-μm...

Articles: Physical Sciences

Most of us cannot comprehend the task of building something to withstand temperatures over 4,000 °F, but NASA can. The space shuttles endured such temperatures when returning to...

Articles: Lighting

Approximately 25 percent of global energy consumption goes to lighting applications, so making lighting more energy-efficient could have a dramatic impact on overall energy usage or make more...

Briefs: Sensors/Data Acquisition
Miniaturized Schottky Diode Sensors for Hydrogen and Hydrocarbon Detection at High Temperatures

A miniaturized Schottky diode hydrogen and hydrocarbon sensor with the structure of catalytic metal-metal oxide-silicon carbide (SiC) has been developed. The major innovation of this work is the use of the metal oxide, palladium oxide...

Briefs: Physical Sciences

A miniaturized amperometric electro-chemical (solid electrolyte) carbon dioxide (CO2) sensor using a novel and robust sensor design has been...

Briefs: Physical Sciences

Wildfires that start in backcountry areas sometimes burn for hours before being detected and reported. Satellites offer a vantage point from which infrared sensors can detect fires. Individual satellites...

Briefs: Test & Measurement
Video Acuity Measurement System

There is a widely acknowledged need for metrics to quantify the performance of video systems. Existing metrics are either difficult to measure or are largely theoretical. They do not reflect the full range of effects to which video may be subject, or do not relate easily to video performance in real-world tasks....

Briefs: Physical Sciences
Intensity-Calibrated Hydrogen Flame Spectrum

The National Aeronautics and Space Administration (NASA) uses large quantities of liquid hydrogen and has expended significant effort in the development, testing, installation, and maintenance of hydrogen fire detectors based on ultraviolet, near-infrared, mid-infrared, and/or far-infrared flame...

Briefs: Mechanical & Fluid Systems
Compact Regenerative Blower

The regenerative blower provides air flow through structures or systems that have relatively high flow resistance. Specifically, the regenerative blower was designed to provide a flow of ventilation gas through a spacesuit and its portable life support system (PLSS). Since the ventilation gas is primarily oxygen, fire...

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: 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...

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Briefs: Aerospace

Self-Healing, Recyclable, Shape Memory Polymers

NASA Spinoff: Materials

Nanotechnology Repairs Engine Damage in Cars

INSIDER: Robotics, Automation & Control

Autonomous Robot Opens Doors, Finds Wall Outlets

Application Briefs: Sensors/Data Acquisition

Sensing Hazardous Gases Can Save Lives

INSIDER: Semiconductors & ICs

Smaller, Cheaper, and More Dynamic Computer Chips

INSIDER: Motion Control

Non-Contact Tip/Tilt Sensor