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...

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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...

Briefs: Green Design & Manufacturing
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.
News: Green Design & Manufacturing
May Issue of Lighting Technology Now Available

This issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, and research news - all on the latest advances in LEDs and solid-state lighting.

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,...

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
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
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...

Briefs: Green Design & Manufacturing

This innovation from Goddard Space Flight Center is an antibacterial, anti-contamination, and self-cleaning coating that...

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...

Briefs: Physical Sciences
Method to Estimate the Dissolved Air Content in Hydraulic Fluid

In order to verify the air content in hydraulic fluid, an instrument was needed to measure the dissolved air content before the fluid was loaded into the system. The instrument also needed to measure the dissolved air content in situ and in real time during the de-aeration process....

Briefs: Physical Sciences
Method for Measuring Collimator-Pointing Sensitivity to Temperature Changes

For a variety of applications, it is important to measure the sensitivity of the pointing of a beam emerging from a collimator, as a function of temperature changes. A straightforward method for carrying out this measurement is based on using interferometry for...

Briefs: Physical Sciences
Metrology Arrangement for Measuring the Positions of Mirrors of a Submillimeter Telescope

The position of the secondary mirror of a submillimeter telescope with respect to the primary mirror needs to be known ≈0.03 mm in three dimensions. At the time of this reporting, no convenient, reasonably priced arrangement that offers this capability...

Briefs: Electronics & Computers
On-Wafer S-Parameter Measurements in the 325-508-GHz Band

New circuits have been designed and fabricated with operating frequencies over 325 GHz. In order to measure S-parameters of these circuits, an extensive process of wafer dicing and packaging, and waveguide transition design, fabrication, and packaging would be required. This is a costly...

Briefs: Electronics & Computers
Reconfigurable Microwave Phase Delay Element for Frequency Reference and Phase-Shifter Applications

A technique was developed to provide a reconfigurable high-precision microwave electrical phase delay for resonators and phase shifters. The invention employs multiple branches of transmission lines with open-ended or ground-ended terminations as...

Briefs: Electronics & Computers
High-Throughput, Adaptive FFT Architecture for FPGA-Based Spaceborne Data Processors

Exponential growth in microelectronics technology such as field-programmable gate arrays (FPGAs) has enabled high-performance spaceborne instruments with increasing onboard data processing capabilities. As a commonly used digital signal processing (DSP) building...

Briefs: Electronics & Computers
High-Speed Isolation Board for Flight Hardware Testing

There is a need to provide a portable and cost-effective galvanic isolation between ground support equipment and flight hardware such that any unforeseen voltage differential between ground and power supplies is eliminated. An interface board was designed for use between the ground support...

Briefs: Software
3D Orbit Visualization for Earth-Observing Missions

This software visualizes orbit paths for the Orbiting Carbon Observatory (OCO), but was designed to be general and applicable to any Earth-observing mission. The software uses the Google Earth user interface to provide a visual mechanism to explore spacecraft orbit paths, ground footprint...

Briefs: Software
MaROS: Web Visualization of Mars Orbiting and Landed Assets

Mars Relay operations currently involve several e-mails and phone calls between lander and orbiter teams in order to settle on an agreed time for performing a communication pass between the landed asset (i.e. rover or lander) and orbiter, then back to Earth. This new application aims to...

Briefs: Software
RAPID: Collaborative Commanding and Monitoring of Lunar Assets

RAPID (Robot Application Programming Interface Delegate) software utilizes highly robust technology to facilitate command-ing and monitoring of lunar assets. RAPID provides the ability for intercenter communication, since these assets are developed in multiple NASA centers.

Briefs: Software
Image Segmentation, Registration, Compression, and Matching

A novel computational framework was developed of a 2D affine invariant matching exploiting a parameter space. Named as affine invariant parameter space (AIPS), the technique can be applied to many image-processing and computer-vision problems, including image registration, template...

Briefs: Software
Image Calibration

Calibrate_Image calibrates images obtained from focal plane arrays so that the output image more accurately represents the observed scene. The function takes as input a degraded image along with a flat field image and a dark frame image produced by the focal plane array and outputs a corrected image. The three most prominent...

Briefs: Software
Rapid ISS Power Availability Simulator

The ISS (International Space Station) Power Resource Officers (PROs) needed a tool to automate the calculation of thousands of ISS power availability simulations used to generate power constraint matrices. Each matrix contains 864 cells, and each cell represents a single power simulation that must be run....

Briefs: Manufacturing & Prototyping
Optimization of Indium Bump Morphology for Improved Flip Chip Devices

Flip-chip hybridization, also known as bump bonding, is a packaging technique for microelectronic devices that directly connects an active element or detector to a substrate readout face-to-face, eliminating the need for wire bonding. In order to make conductive links between...

Briefs: Manufacturing & Prototyping
Pre-Finishing of SiC for Optical Applications

A method is based on two unique processing steps that are both based on deterministic machining processes using a single-point diamond turning (SPDT) machine. In the first step, a high-MRR (material removal rate) process is used to machine the part within several microns of the final geometry. In the...

Briefs: Manufacturing & Prototyping

The term “tape setback method” denotes a method of designing and fabricating bonded joints between (1) box beams or other structural members made of laminated composite (matrix/ fiber)...

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