Research & Technology 2000

Aeronautics
Ultra-Efficient Engine Technology
Ultra-Efficient Engine Technology (UEET) Program
Propulsion Systems Analysis
Probabilistic Risk-Based Approach to Aeropropulsion System Assessment Developed
Computing and Interdisciplinary Systems
EngineSim: Turbojet Engine Simulator Adapted for High School Classroom Use
Numerical Propulsion System Simulation--A Common Tool for Aerospace Propulsion Being Developed
Onyx-Advanced Aeropropulsion Simulation Framework Created
Cost/Performance Ratio Achieved by Using a Commodity-Based Cluster
NASA Research Being Shared Through Live, Interactive Video Tours
Coupled-Flow Simulation of HPLP Turbines Has Resulted in Significant Fuel Savings
Research and Technology
Materials
Software Package Completed for Alloy Design at the Atomic Level
Thermodynamics of Titanium-Aluminum-Oxygen Alloys Studied
Laser High-Cycle Thermal Fatigue of Pulse Detonation Engine Combustor Materials Tested
Improved Method Being Developed for Surface Enhancement of Metallic Materials
GRCop-84 Developed for Rocket Engines
High-Flow PMR-Polymide Composites Developed With Mechanical Properties Comparable to Other High-Temperature Systems
Long-Term Durability of a Matrix for High-Temperature Composites Predicted
PMR Extended Shelf Life Technology Given 2000 R&D 100 Award
Thermodynamics of Volatile Silicon Hydroxides Studied
Remote, Noncontact Strain Sensing by Laser Diffraction Developed
Creep/Rupture Behavior of Melt-Infiltrated SiC/SiC Composites Being Investigated
Environment-Conscious Ceramics (Ecoceramics)
Feasibility of Actively Cooled Silicon Nitride Airfoil for Turbine Applications Demonstrated
Upper Temperature Limit of Environmental Barrier Coatings for Enabling Propulsion Materials Established
Cooled Ceramic Matrix Composite Panel Successfully Tested in Rocket Exhaust
Power and On-Board Propulsion Technology
DART: Instrument Package Developed for Investigating Atmospheric Dust on Mars
Mars Array Technology Experiment Developed to Test Solar Arrays on Mars
Lightweight Sun Position Sensor Developed
High-Power Magnetoplasmadynamic Thruster Being Developed
1000 Hours of Testing Completed on 10-kW Hall Thruster
Lightweight Radiators Being Developed for Advanced Stirling Radioisotope Power Systems
MEMS Device Being Developed for Active Cooling and Temperature Control
Flywheel Energy Storage Technology Being Developed
Atomic Oxygen Interactions With Silicone Contamination on Spacecraft in Low Earth Orbit Studied
Specimens Prepared for Materials International Space Station Experiment
Effect of Air and Vacuum Storage on the Degradation of X-Ray-Exposed Aluminized-Teflon Investigated
Effects of Vacuum Ultraviolet Radiation on Thin Polyimide Films Evaluated
Chemical State of Surface Oxygen on Carbon and Its Effects on the Capacity of the Carbon Anode in a Lithium-Ion Battery Investigated
Surface Texturing Investigated for a High Solar Absorptance Low Infrared Emittance Solar Collector
International Test Program for Synergistic Atomic Oxygen and Vacuum Ultraviolet Radiation Exposure of Spacecraft Materials
Electronics for Low-Temperature Space Operation Being Evaluated
Assessment of Stirling Technology Has Provided Critical Data Leading Toward Flight Readiness of the Stirling Converter
High-Efficiency Solar Thermal Vacuum Demonstration Completed for Refractive Secondary Concentrator
Instrumentation and Controls
Packaging Technology Developed for High-Temperature Silicon Carbide Microsystems
Thermally Stable Ohmic Contacts on Silicon Carbide Developed for High-Temperature Sensors and Electronics
Atomically Flat Surfaces Developed for Improved Semiconductor Devices
Borescope Imaging System Developed for Luminescent Paint Measurements
Training Data Optimized and Conditioned to Learn Characteristic Patterns of Vibrating Blisks and Fan Blades
Active Control of Rotating Stall Demonstrated for a Multistage Compressor With Inlet Distortion
Pulse Detonation Engine Modeled
Communications Technology
Accurate Time-Dependent Traveling-Wave Tube Model Developed for Computational Bit-Error-Rate Testing
Power and Efficiency Optimized in Traveling-Wave Tubes Over a Broad Frequency Bandwidth
Ferroelectric/Semiconductor Tunable Microstrip Patch Antenna Developed
High-Efficiency Wide-Band Suspended Patch Antenna Array Demonstrated
Microelectromechanical Systems MEMS) Actuator for Reconfigurable Patch Antenna Demonstrated
Turbomachinery and Propulsion Systems
Complex Flow Separation Pattern on Transonic Fan Airfoils Revealed by Flow Visualization
Flow Range of Centrifugal Compressor Being Extended
Compressor Stall Recovery Through Tip Injection Assessed
One-Dimensional Spontaneous Raman Measurements Made in a Gas Turbine Combustor
Optical Diagnosis of Gas Turbine Combustors Being Conducted
Laser Absorption Measurements of Equivalence Ratios Studied Along With Their Coupling to Pressure Fluctuations in Lean Premixed Prevaporized (LPP) Combustion
Solid Hydrogen Particles Analyzed for Atomic Fuels
Safer Aircraft Possible With Nitrogen Generation
Safer Aviation Materials Tested
Hydrogen/Air Fuel Nozzle Emissions Experiments
Wind Tunnel Tests Conducted to Develop an Icing Flight Simulator
Icing Effects on a Full-Scale Business Jet Empennage
Thermocouple Rakes for Measuring Boundary Layer Flows Extremely Close to Surface
Dynamic Pressure Probes Developed for Supersonic Flow-Field Measurements
Development of a Hybrid RANS/LES Method for Turbulent Mixing Layers
Restraint of Liquid Jets by Surface Tension in Microgravity Modeled
Zero-Boiloff Cryogenic Storage Cryocooler Integration Test
Structures and Acoustics
Damage Assessment of Creep Tested and Thermally Aged Metallic Alloys Using Acousto-Ultrasonics
Rapid Prototyping Integrated With Nondestructive Evaluation and Finite Element Analysis
Silicon Nitride Plates for Turbine Blade Application: FEA and NDE Assessment
Local Debonding and Fiber Breakage in Composite Materials Modeled Accurately
Micromechanics-Based Inelastic Finite Element Analysis Accomplished Via Seamless Integration of MAC/GMC With ABAQUS
Higher-Order Theory for Functionally Graded Materials
General Multimechanism Reversible-Irreversible Time-Dependent Constitutive Deformation Model Being Developed
Nondestructive Evaluation Approaches Developed for Material Characterization in Aeronautics and Space Applications
Nondestructive Evaluation Methodologies Developed for Certifying Composite Flywheels
Ceramic Inclusions in Powder Metallurgy Disk Alloys: Characterization and Modeling
Test Standard Developed for Determining the Life Prediction Parameters of Advanced Structural Monolithic Ceramics at Elevated Temperatures
High Strain Rate Behavior of Polymer Matrix Composites Analyzed
Biaxial Testing of High-Strength Fabric Improves Design of Inflatable Radar Domes
NASA Software of the Year, GENOAPFA, Given 2000 R&D 100 Award
Uncertainties in the Thermal and Mechanical Properties of Particulate Composites Quantified
Transient Reliability Analysis Capability Developed for CARES/
Life
High-Frequency Focused Water-Coupled Ultrasound Used for Three-Dimensional Surface Depression Profiling
Ultrasonic Data Display and Analysis System Developed (Including Fuzzy Logic Analysis) for the Windows-Based PC
Fan Flutter Analysis Capability Enhanced
Cross-Axis Proportional Gains Used to Control Gyroscopic Effects in a Magnetic-Bearing-Supported Flywheel
DC Control Effort Minimized for Magnetic-Bearing-Supported Shaft
Synchronous Control Effort Minimized for Magnetic-Bearing-Supported Shaft
Fail-Safe Magnetic Bearing Controller Demonstrated Successfully
Engine With Regression and Neural Network Approximators Designed
Turbofan Noise Studied in Unique Model Research Program in NASA Glenn's 9- by 15-Foot Low-Speed Wind Tunnel
New High-Temperature Turbine Seal Rig Installed
Rudder/Fin Seals Investigated for the X38 Re-Entry Vehicle
Vapor/Mist Used to Lubricate Gears After Loss of Primary Lubrication System
New Gear Transmission Error Measurement System Designed
Oil-Free Turbomachinery Being Developed
Space
Space Communications
Phased-Array Satcom Antennas Developed for Aeronautical Applications
Status of the Direct Data Distribution (D3) Experiment
Aeronautical-Satellite-Assisted Process Being Developed for Information Exchange Through Network Technologies (Aero-SAPIENT)
Microgravity Science
Technology Being Developed at Lawrence Berkeley National Laboratory: Ultra-Low-Emission Combustion Technologies for Heat and Power Generation
Microscale Particulate Classifiers (MiPAC) Being Developed
Ceiling Fires Studied to Simulate Low-Gravity Fires
TIGER Burned Brightly in JAMIC
Spread Across Liquids Continues to Fly
Flame Synthesis Used to Create Metal-Catalyzed Carbon Nanotubes
Applications in Bioastronautics and Bioinformatics: Early Radiation Cataracts Detected by Noninvasive, Quantitative, and Remote Means
Novel Shapes of Miscible Interfaces Observed
Gas-Liquid Two-Phase Flows Through Packed Bed Reactors in Microgravity
How Does a Liquid Wet a Solid? Hydrodynamics of Dynamic Contact Angles
Diffusivity Measurements Made Instant and Easy
Growth and Morphology of Supercritical Fluids, a Fluid Physics Experiment Conducted on Mir, Complete
Light Microscopy Module: An On-Orbit Microscope Planned for the Fluids and Combustion Facility on the International Space Station
Coarsening Experiment Being Prepared for Flight
Physics of Colloids in Space (PCS) Flight Hardware Developed
Extensional Rheology Experiment Developed to Investigate the Rheology of Dilute Polymer Solutions in Microgravity
Compact Microscope Imaging System Developed
Multiuser Droplet Combustion Apparatus Developed to Conduct Combustion Experiments
Combustion Module-2 Preparations Completed for SPACEHAB Mission Including the Addition of a New Major Experiment
Experiments Developed to Study Microgravity Smoldering Combustion
Engineering and Technical Services
Computer Services
Virtual Reality Used to Serve the Glenn Engineering Community
Facilities and Test Engineering
Multimillion Dollar Construction Project Completed in Glenn's Icing Research Tunnel
Abe Silverstein 10- by 10-Foot Supersonic Wind Tunnel Validated for Low-Speed (Subsonic) Operation
Engineering Design and Analysis
Sub-Nyquist Distortions in Sampled One- and Two-Dimensional Signals Studied
High-Voltage Droplet Dispenser Developed
Acoustical Testing Laboratory Developed to Support the Low-Noise Design of Microgravity Space Flight Hardware
Microgravity Emissions Laboratory Developed
Vibration Test Demonstrated Dynamic Capability of an Operating Stirling Convertor
CM-2 Environmental/Modal Testing of Spacehab Racks
Commercial Technology
Microarthroscopy System With Image Processing Technology Developed for Minimally Invasive Surgery
Dynamic Light Scattering Developed to Look Through the Eye's Window Into the Body
Computer Model Used to Help Customize Medicine
Affordable, Robust Ceramic Joining Technology (ARCJoint) Developed
LIFT Tenant Is Off and Running
Appendixes
Definitions of NASA Headquarters Program Offices
Definitions of Programs and Projects
Index of Authors and Contacts
Organizational Chart of NASA Glenn Research Center
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