Keyword: Test facilities

Who's Who: Aerospace

After a brief career teaching at University College London in the U.K., Dr. Robert Youngquist returned to the U.S. and went to work as a contractor...

Briefs: Manufacturing & Prototyping

An involute-foil regenerator was designed, microfabricated, and tested in an oscillating-flow test rig. The concept consists of stacked involute-foil nickel disks (see...

Application Briefs: Sensors/Data Acquisition
Eddy-current displacement sensors
Lion Precision
St. Paul, MN
651-484-6544
www.lionprecision.com

Stennis Space Center, NASA’s...

Application Briefs: Robotics, Automation & Control

A unique cavitating pump dynamics test facility has been developed at Concepts NREC (CN, White River Junction, VT) in cooperation with engineers at NASA Marshall...

Articles: Photonics/Optics

The basic function of a photovoltaic cell is to convert input — sunlight energy expressed in irradiance (W/m2) — into output — useable electrical power — with as little loss as possible. To...

Application Briefs: Sensors/Data Acquisition
Data acquisition and distribution systems
G Systems
Richardson, TX
972-234-6000
www.gsystems.com

G Systems has delivered a Data Acquisition System...

Briefs: Materials

Products and manufacturing processes can be sensitive to outgassed chemical compounds, resulting in the use of adhesives, encapsulants, and sealants that have been specially formulated for low-outgassing performance....

Briefs: Photonics/Optics
Qualification and Selection of Flight Diode Lasers for Space Applications

The reliability and lifetime of laser diodes is critical to space missions. The Nuclear Spectroscopic Telescope Array (NuSTAR) mission includes a metrology system that is based upon laser diodes. An operational test facility has been developed to qualify and select, by...

Briefs: Electronics & Computers
Portable Health Algorithms Test System

A document discusses the Portable Health Algorithms Test (PHALT) System, which has been designed as a means for evolving the maturity and credibility of algorithms developed to assess the health of aerospace systems. Comprising an integrated hardware-software environment, the PHALT system allows systems...

Briefs: Mechanical & Fluid Systems

The planned Mars Science Laboratory mission requires inlet funnels for channeling unconsolidated powdered samples from the sampling and sieving...

Briefs: Photonics/Optics
Large Telescope Segmented Primary Mirror Alignment

A document discusses a broadband (white light) point source, located at the telescope Cassegrain focus, which generates a cone of light limited by the hole in the secondary mirror (SM). It propagates to the aspheric null-mirror, which is optimized to make all the reflected rays to be normal to...

Articles: Green Design & Manufacturing

Fluorescent lamps are a popular lighting option for businesses and consumers that are looking for ways to conserve energy and cut down on...

Products: Lighting

The Jaz™ Modular Measuring Suite from Ocean Optics, Dunedin, FL, is now available for radiometric analysis of LEDs, flat panel displays, lamps, and other radiant sources. The Jaz Light Meter is a pre-configured,...

Briefs: Mechanical & Fluid Systems
Investigating Dynamics of Eccentricity in Turbomachine

A methodology (and hardware and software to implement the methodology) has been developed as a means of investigating coupling between certain rotordynamic and hydrodynamic phenomena in turbomachines. Originally, the methodology was intended for application in an investigation of coupled...

Who's Who: Materials

Dr. Luz Marina Calle earned her Ph.D. in chemistry from Ohio University and shortly thereafter became a professor of...

Briefs: Physical Sciences
Pyrotechnic Simulator/Stray-Voltage Detector

The concept for a dual test item has been developed for use in simulating live initiators/detonators during ground testing to verify the proper operation of the safing and firing circuitry for ground and flight systems ordnance as well as continuous monitoring for any stray voltages. Previous ordnance...

Eye on Innovation: Imaging

For many years, infrared vision was limited to government and laboratory applications, but the picture is rapidly changing. With the cost of thermal cameras decreasing, military, aerospace, and...

Who's Who: Aerospace

Jeff Ding introduced friction stir welding (FSW) to NASA in 1995. He currently holds 6 U.S. patents for FSW, including one for an automatic retractable pin tool that...

Briefs: Test & Measurement
Cryogenic Chamber for Servo-Hydraulic Materials Testing

A compact cryogenic test chamber can be cooled to approximately 5 to 6 Kelvin for materials testing. The system includes a temperature controller and multiple sensors to measure specimen temperature at different locations. The testing chamber provides a fast and easy method to perform...

Application Briefs: Software
FiberSIM® composites engineering software
Vistagy
Waltham, MA
781-250-6800
www.vistagy.com

When NASA originally considered employing composites in...

Briefs: Information Technology
Guaranteeing Failsafe Operation of Extended-Scene Shack-Hartmann Wavefront Sensor Algorithm

A Shack-Hartmann sensor (SHS) is an optical instrument consisting of a lenslet array and a camera. It is widely used for wavefront sensing in optical testing and astronomical adaptive optics. The camera is placed at the focal point of the lenslet array...

Briefs: Software
XVD Image Display Program

The XVD [X-Windows VICAR (video image communication and retrieval) Display] computer program offers an interactive display of VICAR and PDS (planetary data systems) images. It is designed to efficiently display multiple-GB images and runs on Solaris, Linux, or Mac OS X systems using X-Windows. XVD is the de facto...

Briefs: Software
MSLICE Science Activity Planner for the Mars Science Laboratory Mission

MSLICE (Mars Science Laboratory InterfaCE) is the tool used by scientists and engineers on the Mars Science Laboratory rover mission to visualize the data returned by the rover and collaboratively plan its activities. It enables users to efficiently and effectively search...

Briefs: Information Technology
Extreme Programming: Maestro Style

“Extreme Programming: Maestro Style” is the name of a computer-programming methodology that has evolved as a custom version of a methodology, called “extreme programming” that has been practiced in the software industry since the late 1990s. The name of this version reflects its origin in the work of...

Articles: Energy

Renewable energy will be the world’s fastest-growing source of electricity generation over the next two decades, although it will still make up a relatively minor portion...

Who's Who: Aerospace

Dr. Scott Barthelmy is the principal investigator for the Burst Alert Telescope (BAT), a sophisticated instrument...

Briefs: Mechanical & Fluid Systems
Cryogenic Feedthrough Test Rig

The cryogenic feedthrough test rig (CFTR) allows testing of instrumentation feedthroughs at liquid oxygen and liquid hydrogen temperature and pressure extremes (dangerous process fluid) without actually exposing the feedthrough to a combustible or explosive process fluid. In addition, the helium used (inert gas),...

Briefs: Mechanical & Fluid Systems

An experimental combination of an off-the-shelf valved pulsejet combustor and an aerodynamically optimized ejector has shown promise as a prototype of improved combustors for gas turbine...

Application Briefs: Robotics, Automation & Control

There’s a science to testing metal structures for rigidity and performance under stress. The development of new testing methodologies is continuing at a fast pace, aided...

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Articles: Electronics & Computers

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