NASA Tech Briefs - November 2010 - Vol. 34 No. 11

Features

• Eye on Innovation

  Back to Edison, Back to Innovation

• Application Briefs

  Displacement Sensors to Monitor Valve Health and Prevent Rocket Engine Test Failures

  NASA Satellite System Ground Segment to Receive Update

• Who's Who

  Terry Hill, Engineering Project Manager, Constellation Spacesuit System, Johnson Space Center, Houston, TX

• Articles

  Industry Update: Analysis & Simulation Software

  2010 Create the Future Design Contest

  2010 Create the Future Design Contest Grand Prize Winner

  2010 Create the Future Design Contest Consumer Products Category Winner

  2010 Create the Future Design Contest Machinery and Equipment Category Winner

  2010 Create the Future Design Contest Medical Category Winner

  2010 Create the Future Design Contest Safety and Security Category Winner

  2010 Create the Future Design Contest Transportation Category Winner

  2010 Create the Future Design Contest Sustainable Technologies Category Winner

  2010 Create the Future Design Contest Meet the Judges

  2010 Create the Future Design Contest Contest Sponsors

Tech Briefs

• Physical Sciences

  Portable Handheld Optical Window Inspection Device

  Speech Acquisition and Automatic Speech Recognition for Integrated Spacesuit Audio Systems

  Analysis of Nozzle Jet Plume Effects on Sonic Boom Signature

  Handheld White Light Interferometer for Measuring Defect Depth in Windows

• Manufacturing & Prototyping

  Optimal Flow Control Design

  Microfabricated Segmented-Involute-Foil Regenerator for Stirling Engines

  Reducing Seal Adhesion in Low Impact Docking Systems

  Corrosion-Resistant Container for Molten-Material Processing

  Process To Produce Iron Nanoparticle Lunar Dust Simulant Composite

• Materials

  Fabrication of Lanthanum Telluride 14-1-11 Zintl High-Temperature Thermoelectric Couple

  Modeling of Alkane Oxidation Using Constituents and Species

  A Computer Model for Analyzing Volatile Removal Assembly

• Information Sciences

  Predicting Long-Range Traversability From Short-Range Stereo-Derived Geometry

  Salience Assignment for Multiple-Instance Data and Its Application to Crop Yield Prediction

  Browser-Based Application for Telemetry Monitoring of Robotic Assets

  Decomposition Algorithm for Global Reachability on a Time-Varying Graph

  Autonomous GN&C for Spacecraft Exploration of Comets and Asteroids

  Efficient Web Services Policy Combination

  Using CTX Image Features to Predict HiRISE-Equivalent Rock Density

  Inversion Method for Early Detection of ARES-1 Case Breach Failure

  Evaluating Descent and Ascent Trajectories Near Non-Spherical Bodies

• Mechanics & Machinery

  Deployment of a Curved Truss

  Reusable Hot-Wire Cable Cutter

  High-Volume Airborne Fluids Handling Technologies To Fight Wildfires

  Use of ILTV Control Laws for LaNCETS Flight Research

• Electronics & Computers

  Methods of Using a Magnetic Field Response Sensor Within Closed, Electrically Conductive Containers

  Miniature Low-Noise G-Band I-Q Receiver

  Differential Resonant Ring YIG Tuned Oscillator

Products

• SolidWorks® 2011 3D Design Software

• Briefs

  Optical Sidebands Multiplier

  Maximum Likelihood Time-of-Arrival Estimation of Optical Pulses via Photon-Counting Photodetectors

  Single Spatial-Mode Room-Temperature-Operated 3.0 to 3.4 μm Diode Lasers

  Portable Dew Point Mass Spectrometry System for Real-Time Gas and Moisture Analysis

  Self-Nulling Beam Combiner Using No External Phase Inverter

• Products

  12V Front-End Distributed Power Supply

  Replacement End-Of-Life Semiconductors

  Universal Injection Transformer

  PCB Design-Tool

  UPS With Long-Life Batteries

  DC Power Converter Module

• Applications

  Implementing Rack-Level I/O Consolidation

• Articles

  Using Parallel Processing on GPUs to Accelerate Finite-Difference Time-Domain Algorithms for Electromagnetic and Seismic Applications

  Using Multiprocessing in Industrial Automation Systems

  Using FPGAs for Automated Design Validation

• Briefs

  LED Lighting for Maintenance and Construction Vehicles

  Demonstration Assessment of LED Freezer Case Lighting

• Applications

  LEDs Illuminate Major Bridge in China

  All Aboard: Making (Light) Waves

• Articles

  Dimming LEDs, Without the Flicker

  Enhanced Protection for LEDs: Parylene Offers a Clear View into the Future

  Optical Feasibility of a True LED MR16 Lamp

• Products

  Online LED Design Tool

  DC LED Lighting Fixture

  LED Power Supply

  Dichroic Color Changing Fixture

  LED Wallpack Luminaire

  Polyurethane Casting Compound

  LED-Based Backlighting

  LED Dot Matrix Driver

  LED Circuit Protection Device

• Tech for License

  LEDs Based on Lattice-Mismatched GaInP Alloys

  Phosphor Materials for UV-LED-Based Lighting Device

• Research News

  New Facility Aims to Make LED Lighting More Natural