Keyword: Production

Briefs: Energy
Grid-Tied Photovoltaic Power System

A grid-tied photovoltaic (PV) power system is connected directly to the utility distribution grid. Facility power can be obtained from the utility system as normal. The PV system is synchronized with the utility system to provide power for the facility, and excess power is provided to the utility.

Briefs: Semiconductors & ICs
Source-Coupled, N-Channel, JFET-Based Digital Logic Gate Structure Using Resistive Level Shifters

A circuit topography is used to create usable, digital logic gates using N (negatively doped) channel junction field effect transistors (JFETs), load resistors, level shifting resistors, and supply rails whose values are based on the DC parametric...

Briefs: Physical Sciences

This miniature or micro-sized semi-conductor sensor design provides direct, nonintrusive measurement of skin friction or wall shear stress in fluid flow situations in a...

Briefs: Medical
Hydrofocusing Bioreactor Produces Anti-Cancer Alkaloids

A methodology for growing three-dimensional plant tissue models in a hydrodynamic focusing bioreactor (HFB) has been developed. The methodology is expected to be widely applicable, both on Earth and in outer space, as a means of growing plant cells and aggregates thereof under controlled...

Application Briefs: Motion Control

In the general construction industry, many different parts are cut from sheet metal and then welded together on a large machine or vehicle. The trouble arises when the sheets are...

Briefs: Energy

An enhanced thin-film silicon photovoltaic device with improved efficiency has been developed. Thin-film silicon solar cells suffer from low material absorption...

Articles: Automotive

Hours before most commuters start their engines and head to work, James Hughes is already calling the other side of the world from his office in Dearborn, MI. Because of a...

Products: Lighting

The K1 Kyropoulos Crystal Grower from Thermal Technology (Santa Rosa, CA) is suitable for LED substrate production. The 90 kg crystal grower features multiple, independently-controlled heating elements, weight sensors...

Products: Lighting

Monocrystal (Stavropol, Russia) has introduced ultra-large 10-inch c-plane epi-ready sapphire substrates. The LED industry continues shifting to larger diameter substrates as it strives to achieve higher cost...

Application Briefs: Information Technology
IT Services Support NASA Scientists and Engineers
Information technology services
DB Consulting Group
Silver Spring, MD
301-589-4020
www.dbconsultinggroup.com

DB Consulting Group provides NASA’s Glenn Research Center (GRC) in Cleveland, OH with a variety of professional, administrative, computational, and engineering...

Application Briefs: Sensors/Data Acquisition
Motion Components Optimize Performance of Liquid Chromatography System

Pricing pressures, intense competition, and strict regulatory demands are challenging scientists and researchers in the fast-growing, highly-regulated pharmaceutical, life science, biochemical, industrial, and environmental industries to make important breakthroughs faster...

Briefs: Software
Astronaut Health Participant Summary Application

The Longitudinal Study of Astronaut Health (LSAH) Participant Summary software captures data based on a custom information model designed to gather all relevant, discrete medical events for its study participants. This software provides a summarized view of the study participant’s entire medical...

Briefs: Information Technology
Comparison of Aircraft Icing Growth Assessment Software

A research project is underway to produce computer software that can accurately predict ice growth under any meteorological conditions for any aircraft surface. An extensive comparison of the results in a quantifiable manner against the database of ice shapes that have been generated in the...

Application Briefs: Sensors/Data Acquisition

Food manufacturers are held to strict agency regulations regarding product quality and consistency. Repeatable visual inspections are critical to ensure consumers receive a consistent...

Application Briefs: Imaging

Food manufacturers are held to strict agency regulations regarding product quality and consistency. Repeatable visual inspections are critical to ensure consumers receive a consistent...

Briefs: Information Technology
Salience Assignment for Multiple-Instance Data and Its Application to Crop Yield Prediction

An algorithm was developed to generate crop yield predictions from orbital remote sensing observations, by analyzing thousands of pixels per county and the associated historical crop yield data for those counties. The algorithm determines which pixels...

Articles: Manufacturing & Prototyping
2010 Create the Future Design Contest Meet the Judges

COMSOL, PTC, and Tech Briefs Media Group thank the following judges for their participation.

Articles: Electronics & Computers

Automated industrial control systems are an integral part of today’s manufacturing facilities. As these systems’ capabilities advance, the engineer shifts from someone who oversees...

Products: Lighting

Bayer MaterialScience (Leverkusen, Germany) has developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting...

Articles: Motion Control

In dozens of industries and in millions of applications around the world, dangerous chemicals are transferred from their original shipping containers...

Briefs: Physical Sciences
Aerogel-Positronium Technology for the Detection of Small Quantities of Organic and/or Toxic Materials

The Ps-aerogel system [Ps is positronium (an electron-positron-hydrogen-like atom)] has been evaluated and optimized as a potential tool for planetary exploration missions. Different configurations of use were assessed, and the results provide...

Articles: Manufacturing & Prototyping

Over the past 20 years, additive manufacturing technology has migrated from use in rapid prototyping to a full-fledged manufacturing solution, which is referred to as “direct digital...

Application Briefs: Photonics/Optics

Organic photovoltaic (OPV) materials are an emerging alternative technology for converting sunlight into electricity. OPVs are potentially inexpensive to...

Briefs: Software
Real-Time Feature Tracking Using Homography

This software finds feature point correspondences in sequences of images. It is designed for feature matching in aerial imagery. Feature matching is a fundamental step in a number of important image processing operations: calibrating the cameras in a camera array, stabilizing images in aerial movies,...

Briefs: Physical Sciences
Instrument for Measuring Thermal Conductivity of Materials at Low Temperatures

With the advance of polymer and other non-metallic material sciences, whole new series of polymeric materials and composites are being created. These materials are being optimized for many different applications including cryogenic and low-temperature industrial...

Briefs: Software
Comet Gas and Dust Dynamics Modeling

This software models the gas and dust dynamics of comet coma (the head region of a comet) in order to support the Microwave Instrument for Rosetta Orbiter (MIRO) project. MIRO will study the evolution of the comet

67P/Churyumov-Gerasimenko’s coma system. The instrument will measure surface...

Briefs: Physical Sciences

Leak detection and location remain a common problem in NASA and industry, where gas leaks can create hazardous conditions if not quickly detected and corrected. In order to...

Articles: Sensors/Data Acquisition

The ability to make real-time decisions based on pressure, temperature, or flow measurements while a process is running can provide significant advantages in a measurement and control...

Briefs: Materials
Exfoliated Graphite Nano-Reinforcements With Surface Modifications to Improve Dispersability

Exfoliated graphite nanoflakes are a potential low-cost source of nano-reinforcement for making polymer composites with unique properties. The chemical nature of the graphitic surface leads to a low-surface energy as produced. This makes the nanoflakes...