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Briefs: Physical Sciences
Helium-Cooled Black Shroud for Subscale Cryogenic Testing
This shroud provides a deep-space simulating environment for testing scaled-down models of passively cooling systems for spaceflight optics and instruments. It is used inside a liquid-nitrogen-cooled vacuum chamber, and it is cooled by liquid helium to 5 K. It has an inside geometry of...
Briefs: Physical Sciences
Phase Retrieval for Radio Telescope and Antenna Control
Phase-retrieval is a general term used in optics to describe the estimation of optical imperfections or “aberrations.” The purpose of this innovation is to develop the application of phase retrieval to radio telescope and antenna control in the millimeter wave band.
Briefs: Information Technology
Receive Mode Analysis and Design of Microstrip Reflectarrays
Traditionally microstrip or printed reflectarrays are designed using the “transmit mode” technique. In this method, the size of each printed element is chosen so as to provide the required value of the reflection phase such that a collimated beam results along a given direction. The...
Briefs: Information Technology
Chance-Constrained Guidance With Non-Convex Constraints
Missions to small bodies, such as comets or asteroids, require autonomous guidance for descent to these small bodies. Such guidance is made challenging by uncertainty in the position and velocity of the spacecraft, as well as the uncertainty in the gravitational field around the small body. In...
News: Green Design & Manufacturing
Acoustics researchers at the University of Adelaide in Australia are developing a computer model to predict the noise output from wind farms so they can accurately and quickly assess the effectiveness of...
INSIDER Product: Electronics & Computers
The ZT8540 I/Q Digitizer from ZTEC Instruments (Albuquerque, NM) functions as a baseband Vector Signal Analyzer (VSA) from DC to 300 MHz. This new baseband VSA provides the signal fidelity and real-time processing capabilities...
INSIDER Product: Electronics & Computers
MathWorks (Natick, MA) has announced the availability of MATLAB Coder, which
enables design engineers to automatically generate readable, portable C and
C++ code directly from their MATLAB algorithms. This new product...
INSIDER Product: Electronics & Computers
Meggitt Sensing Systems (San Juan Capistrano, CA) has introduced the Endevco® model 133, a three-channel general purpose piezoelectric signal conditioner with a wide bandwidth of 100 KHz (-3 dB corner),...
INSIDER Product: Electronics & Computers
Allegro MicroSystems (Worcester, MA) has announced two new robust automotive grade buck regulators with high switching frequency and output current, each integrating a low resistance, high-side, N-channel MOSFET....
INSIDER Product: Electronics & Computers
Elan Digital System’s (Fareham, UK) USBHC869 USB interface chip now has a Demonstrator PCB including SDK driver code to help engineers simplify and speed up the development task of implementing the capability of the...
Supplements: Software
Comsol News - 2011
In the following user stories, nineteen diverse high-tech organizations showcase how their adoption of COMSOL Multiphysics has led to new product designs and research findings.
Table of Contents // COMSOL NEWS 2011
FEATURES
Multiphysics 4 Multiphysics Analysis of a Burning Candle 5 Capacitively Coupled Plasma Analysis ...
Briefs: Energy
A design of a highly efficient and lightweight space magnetic cooler has been developed at Goddard Space Flight Center that can continuously provide remote/distributed cooling at temperatures in the range of 2 K with a heat sink at about 15 K. The innovative design uses a cryogenic circulator that enables the cooler to operate at a high cycle frequency to achieve a large cooling capacity.
Briefs: Energy
Polymer nanofibers are nanoscale materials whose properties can be adjusted to provide desirable light management performance for high efficiency solid-state lighting...
News: Energy
An international team of scientists led by a team at Monash University of Melbourne, Australia has found that the key to the hydrogen economy could come from a very simple mineral -...
News: Energy
Advanced biofuels are highly touted as potential replacements for gasoline, diesel, and jet fuels. Equally touted is the synthesis of these fuels through the use of microbes. However, many...
Articles: Green Design & Manufacturing
Air conditioning is a ‘must-have’ for most new cars. But the fluorocarbon refrigerant HFC-134a – the global standard – is one of the ozone-depleting greenhouse gases causing global warming....
Briefs: Green Design & Manufacturing
A preliminary study has shown that the use of a high-strength composite fiber cloth material may greatly reduce fabrication and deployment costs of a subsea offshore pipeline. Above-water...
Blog: Aerospace
Behind the Mars Science Laboratory Design
I spent part of the week at the 2011 Siemens PLM Connection Americas Users Conference (in Las Vegas!). William Allen, senior engineer at the Jet Propulsion Laboratory and mechanical systems design lead on the Mars Science Laboratory (MSL), spoke to the crowd about how the JPL, based in Pasadena, CA,...
Blog: Medical
Innovation: A Game for All Ages
FIRST (For Inspiration and Recognition of Science and Technology) recently wrapped up its BODY FORWARD Challenge. Teams were asked to explore bio-engineering possibilities and discover innovative ways to improve and maximize the body's potential.
The winning team, known as the "Flying Monkeys," will receive up to...
Briefs: Green Design & Manufacturing
This innovation from Goddard Space Flight Center is an antibacterial, anti-contamination, and self-cleaning coating that...
Products: Lighting
Endicott Research Group, Inc. (ERG) (Endicott, NY) has updated its online LCD-LED Driver Cross- Reference Guide. The online guide has datasheets on over 200 drivers supporting more than 150 OEM panels. It...
Products: Lighting
At 6mm thick, the stacked flat type light guide panel from DynaScan Technology (Taipei, Taiwan) is an assembly of simple flat light guides, without any curvature or wedge angle, allowing over 90% light output...
Articles: Photonics/Optics
Proponents of laser beam welding (LBW) and electron beam (EBW) welding each pronounce the singular praises of their favored technology, but often the best solution for a...
Briefs: Physical Sciences
Custom fiber optic bundle array assemblies developed by the Photonics Group at NASA Goddard Space Flight Center were an enabling technology for both the Lunar...
Briefs: Photonics/Optics
Automated Cryocooler Monitor and Control System
A system was designed to automate cryogenically cooled low-noise amplifier systems used in the NASA Deep Space Network. It automates the entire operation of the system including cool-down, warm-up, and performance monitoring. The system is based on a single-board computer with custom software and...
Application Briefs: Photonics/Optics
Machine vision technology is used extensively throughout manufacturing to improve product quality, increase productivity and reduce costs. One of the reasons for that is a machine vision system will work...
Briefs: Photonics/Optics
Multi-Wavelength, Multi-Beam, and Polarization-Sensitive Laser Transmitter for Surface Mapping
A multi-beam, multi-color, polarized laser transmitter has been developed for mapping applications. It uses commercial off-the-shelf components for a low-cost approach for a ruggedized laser suitable for field deployment.
Briefs: Photonics/Optics
Optical Communications Link to Airborne Transceiver
An optical link from Earth to an aircraft demonstrates the ability to establish a link from a ground platform to a transceiver moving overhead. An airplane has a challenging disturbance environment including airframe vibrations and occasional abrupt changes in attitude during flight. These...
Briefs: Physical Sciences
High-Temperature Thermometer Using Cr-Doped GdAlO3 Broadband Luminescence
A new concept has been developed for a high-temperature luminescence-based optical thermometer that both shows the desired temperature sensitivity in the upper temperature range of present state-of-the-art luminescence thermometers (above 1,300 °C), while maintaining...
Top Stories
Blog: Power
My Opinion: We Need More Power Soon — Is Nuclear the Answer?
Blog: AR/AI
Aerial Microrobots That Can Match a Bumblebee's Speed
News: Energy
Blog: Electronics & Computers
Turning Edible Fungi into Organic Memristors
Blog: Robotics, Automation & Control
Microscopic Swimming Machines that Can Sense, Respond to Surroundings
INSIDER: Sensors/Data Acquisition
Webcasts
Upcoming Webinars: Power
Hydrogen Engines Are Heating Up for Heavy Duty
Upcoming Webinars: Automotive
Advantages of Smart Power Distribution Unit Design for Automotive...
Upcoming Webinars: Automotive
Quiet, Please: NVH Improvement Opportunities in the Early Design...
Upcoming Webinars: Test & Measurement
From Spreadsheets to Insights: Fast Data Analysis Without Complex...
Upcoming Webinars: Automotive
Battery Abuse Testing: Pushing to Failure
Upcoming Webinars: Connectivity
