NASA Tech Briefs - April 2009 - Vol. 32 No. 4

Features

Feature Articles

• 2008 Create the Future Design Contest Grand Winner
• Consumer Products Category Winner
• Machinery & Equipment Category Winner
• Medical Category Winner
• Safety & Security Category Winner
• Sustainable Technologies Category Winner
• Transportation Category Winner
• Slip Clutches Solve Diverse Design Problems
• Taming Residual Bulk Image in CCDs

Who's Who

• Dr. Alexander Kashlinsky, Senior Staff Scientist, SSAI, Goddard Space Flight Center, Greenbelt, MD

Products of the Month

• P356 Low-Pressure Gage
• Optical Encoder
• Pillow Blocks
• Incremental Encoder
• Piezo Linear Actuator
• DC Gearmotors
• Speed Regulator
• Electric Actuator
• Linear Drive

UpFront

• 2008 Product of the Year Winners

Application Briefs

• Communications Systems Support NASA’s Unmanned Aircraft
• Handheld Labeler is Key to International Space Station’s Organizational System
• BEI Duncan’s Steer-by-Wire Technology Improves Fuel Efficiency for AGCO Challenger® Tractor
• Delta Motion Controller Helps ADI Improve Automotive Chassis Testing
• Heidenhain Encoders Help TRW Machine Ford SUV Parts
• Shortwave Infrared - The Latest Weapon in the War on Terror

Tech Briefs

Electronics & Computers

• Wireless Devices for Temperature Monitoring
• Interference-Detection Module in a Digital Radar Receiver

Mechanics & Machinery

• Parallel Hybrid Vehicle Optimal Storage System

Information Sciences

• Bounded-Angle Iterative Decoding of LDPC Codes
• Conversion From Tree to Graph Representation of Requirements

Materials

• Integrated Multilayer Insulation

Manufacturing & Prototyping

• Modal Vibration Analysis of Large Castings
• Structural/Radiation-Shielding Epoxies

Physical Sciences

• Wireless Fluid-Level Sensors for Harsh Environments
• Direct-Solve Image-Based Wavefront Sensing
• Use of UV Sources for Detection and Identification of Explosives
• Gradiometer Using Middle Loops as Sensing Elements in a Low-Field SQUID MRI System
• Volcano Monitor: Autonomous Triggering of In-Situ Sensors
• Determining Aliasing in Isolated Signal Conditioning Modules
• Apparatus for Screening Multiple Oxygen-Reduction Catalysts
• Spectrum Analyzers Incorporating Tunable WGM Resonators
• Composite Bipolar Plate for Unitized Fuel Cell/Electrolyzer Systems
• Quantum-Well Thermophotovoltaic Cells

Bio-Medical

• Using Fluorescent Viruses for Detecting Bacteria in Water
• Anaerobic Digestion in a Flooded Densified Leachbed

Tech Exchange

Tech Needs

• Generating Sodium Hydroxide from Sodium Sulfate and Calcium Hydroxide
• Manufacturing Method for Joining Elastic Materials

NASA Tech Needs

• Advanced Computational Fluid Dynamics - Mesh Generation

Tech for License

• Green Sewage Treatment and Water Purification Technology
• Odor Removal From Recycled Plastics