Bimodal Nuclear Thermal Rocket Propulsion Investigated for Power-Rich, Artificial-Gravity Human Exploration Missions to Mars
OTIS 3.2 Software Released
Photochemically Etched Construction Technology Developed for Digital Zenon Feed Systems
Options Studied for Managing Space Station Solar Array Electrical Hazards for Sequential Shunt Unit Replacement
Probabilistic Analysis Techniques Applied to Complex Spacecraft Power System Modeling
Capillary Flow Experiments Began on the International Space Station
Fundamental Research Applied to Enable Hardware Performance in Microgravity
Milestones Achieved for the Fluids and Combustion Facility
Glenn's Telescience Support Center Provided Around-the-Clock Operations Support for Space Experiments on the International Space Station
Flight Hardware Fabricated for Combustion Science in Space
Low-Speed Active Flow Control Laboratory Developed
Intelligent Life-Extending Controls for Aircraft Engines Studied
Enhanced Bank of Kalman Filters Developed and Demonstrated for In-Flight Aircraft Engine Sensor Fault Diagnostics
Innovative Adaptive Control Method Demonstrated for Active Suppression of Instabilities in Engine Combustors
Discrete Event Supervisory Control Applied to Propulsion Systems
Control Algorithms and Simulated Environment Developed and Tested for Multiagent Robotics for Autonomous Inspection of Propulsion Systems
Nanorod Material Development for Use as an Optical Sensor Platform
Forward Technology Solar Cell Experiment (FTSCE) for MISSE-5 Verified and Readied for Flight on STS-114
Quantum Sensing and Communications Being Developed for Nanotechnology
Nondestructive Evaluation Tests Performed on Space Shuttle Leading-Edge Materials Subjected to Impact
Molecular Rayleigh Scattering Techniques Developed for Measuring Gas Flow Velocity, Density, Temperature, and Turbulence
Megahertz Frame-Rate Imaging System Developed for Quantitative Velocimetry Measurements in Unsteady High-Speed Flows
Ultrasonic Guided-Wave-Scan System Used to Characterize C-Enhanced Silicon Carbide Composite During Creep-Rupture Tests
Ability of Impedance-Based Health Monitoring To Detect Structural Damage of Propulsion System Components Assessed
Optical Tweezers and Optical Trapping Improved for Future Automated Micromanipulation and Characterization
New Deep Reactive Ion Etching Process Developed for the Microfabrication of Silicon Carbide
High-Temperature, Thin-Film Ceramic Thermocouples Developed
Sonoluminescence: A Galaxy of Nanostars Created in a Beaker
As-Fabricated Reinforced Carbon/Carbon Characterized
Followup to Columbia Investigation: Reinforced Carbon/Carbon From the Breach Location in the Wing Leading Edge Studied
Flexible Metallic Overwrap Concept Developed for On-Orbit Repair of Space Shuttle Orbiter Leading Edges
Glenn Refractory Adhesive for Bonding and Exterior Repair (GRABER) Developed for Repairing Shuttle Damage
Properties of PMR Polyimides Improved by Preparation of Polyhedral Oligomeric Silsesquioxane (POSS) Nanocomposites
Nonhumidified High-Temperature Membranes Developed for Proton Exchange Membrane Fuel Cells
Fluorescent “On-Off” Sensors Studied for Chemical Warfare Agents
Mechanical and Electrical Properties of a Polyimide Film Significantly Enhanced by the Addition of Single-Wall Carbon Nanotubes
Novel Elastomeric Membranes Developed for Polymer Electrolytes in Lithium Batteries
High-Temperature Polymer Composites Tested for Hypersonic Rocket Combustor Backup Structure
Mechanically Strong, Lightweight Porous Materials Developed (X-Aerogels)
Effects of High-Temperature Exposures on Fatigue life of Disk Superalloys Examined
Potential High-Temperature Shape-Memory Alloy Actuator Material identified
Processing of Ni30Pt20Ti50 High-Temperature Shape-Memory Alloy Into Thin Rod Demonstrated
Candidate Materials Evaluated for a High-Temperature Stirling Convertor Heater Head
Full-Scale GRCop-84 Combustion Chamber Liner Preform Fabricated Successfully
Quick Access Rocket Exhaust Rig Testing of Coated GRCop-84 Sheets Used to Aid Coating Selection for Reusable Launch Vehicles
Thermodynamics of Volatile Species in the Silicon-Oxygen-Hydrogen System Studied
Very Tough, Erosion-Resistant Turbine Airfoil Thermal Barrier Coatings Developed
Low-Thermal-Conductivity Pyrochlore Oxide Materials Developed for Advanced Thermal Barrier Coatings
Strong, Tough Glass Composites Developed for Solid Oxide Fuel Cell Seals
Process Developed for Generating Ceramic Interconnects With Low Sintering Temperatures for Solid Oxide Fuel Cells
Process Developed for Fabricating Engineered Pore Structures for High-Fuel-Utilization Solid Oxide Fuel Cells
Cooled Ceramic Matrix Composite Propulsion Structures Demonstrated
Permeability of Candidate Stirling Heater Head Materials Measured
SiC/SiC Ceramic Matrix Composites Developed for High-Temperature Space Transportation Applications
High-Temperature Piezoelectric Ceramic Developed
Structures Self-Assembled Through Directional Solidification
High-Temperature Proton-Conducting Ceramics Developed
Proton-Exchange-Membrane Fuel Cell Powerplants Developed and Tested for Exploration Missions
Lithium-Ion Batteries Being Evaluated for Low-Earth-Orbit Applications
Lithium-Ion Cell Charge-Control Unit Developed
Integrated Power and Attitude Control System Demonstrated With Flywheels G2 and D1
Testing Done for Lorentz Force Accelerators and Electrodeless Propulsion Technology Development
Advanced Controller Developed for the Free-Piston Stirling Convertor
Brayton-Ion Power-Conversion Unit Tested With Ion Thruster
Closed-Cycle Engine Program Used to Study Brayton Power Conversion
Stirling Convertor System Dynamic Model Developed
Stirling Power Convertors Demonstrated in Extended Operation
Reliability of the SRG 110 Stirling Convertor Quantified
Work Began on Contracts for Radioisotope Power Conversion Technology Research and Development
Low-Temperature Chalcopyrite Thin-Film Solar Cells Developed for Space Photovoltaic Applications
Ground-Laboratory to In-Space Effective Atomic-Oxygen Fluence Determined for DC93–500 Silicone
Vacuum Ultraviolet Radiation Effects of DC93–500 Silicone Film Studied
Conductive Composites Made Less Expensively
Concept Developed for an Implanted Stimulated Muscle-Powered Piezoelectric Generator
Ozone Exposure System Designed and Used to Test High-Altitude Airship Materials
Microsystem Cooler Developed and Being Fabricated
Reliability of Electronics for Cryogenic Space Applications Being Assessed
Structural Benchmark Tests of Composite Combustion Chamber Support Completed
Benchmark Calibration Tests Completed for Stirling Convertor Heater Head Life Assessment
Titanium Aluminide Scramjet Inlet Flap Subelement Benchmark Tested
Stainless-Steel-Foam Structures Evaluated for Fan and Rotor Blades
Integrity of Polymethylmethacrylate (PMMA) Chemically Welded Joints Examined
Life Predicted in a Probabilistic Design Space for Brittle Materials With Transient Loads
Liquid-Hydrogen-Cooled 450-hp Electric Motor Test Stand Being Developed
Ironless High-Power-Density Permanent Magnet Electric Motors Designed for Emissionless Aircraft Propulsion
High-Temperature (1000 °F) Magnetic Thrust Bearing Test Rig Completed and Operational
G2 Flywheel Module Operated at 41,000 rpm
Fuel-Cell-Powered Electric Motor Drive Analyzed for a Large Airplane
Damage-Tolerant, Affordable Composite Engine Cases Designed and Fabricated
Prototype Variable-Area Exhaust Nozzle Designed
Switched-Reluctance Cryogenic Motor Tested and Upgraded
Analytical Micromechanics Modeling Technique Developed for Ceramic Matrix Composites Analysis
Design Sensitivity for a Subsonic Aircraft Predicted by Neural Network and Regression Models
Advanced Vibration Analysis Tool Developed for Robust Engine Rotor Designs
System Developed for Real-Time Blade-Flutter Monitoring in the Wind Tunnel
Power Requirements Determined for High-Power-Density Electric Motors for Electric Aircraft Propulsion
Flutter Stability Verified for Trailing Edge Blowing Fan
Fundamental Mistuning Model for Probabilistic Analysis Studied Experimentally
NESTEM Probabilistic Analysis Used to Study Mistuned Bladed Disks and Blisks With Aerodynamic and Structural Coupling
Primal and Dual Integrated Force Methods Used for Stochastic Analysis
Spur Gear Wear Investigated in Support of Space Shuttle Return-To-Flight Efforts
High-Temperature Knitted Spring Tubes Improved for Structural Seal Applications
Advanced Ceramic Wafer Seals Demonstrated at 2000 °F
Software Developed for Analyzing High-Speed Rolling-Element Bearings
Oxide Ceramic Films Grown on 60 Nitinol for NASA and Department of Defense Applications
Ambient Pressure Test Rig Developed for Testing Oil-Free Bearings in Alternate Gases and Variable Pressures
Tribological Behavior of Nano-Onions in Krytox 143AB Evaluated
Journal Bearing Analysis Suite Released for Planetary Gear System Evaluation
Benchmark Problems Used to Assess Computational Aeroacoustics Codes
Turbofan Noise Reduction Associated With Increased Bypass Nozzle Flow
National Combustion Code Used to Study the Hydrogen Injector Design for Gas Turbines
Transferable Calibration Standard Developed for Quantitative Raman Scattering Diagnostics in High-Pressure Flames
Emissions Measured in the Exhaust of a CFM–56 Engine on a DC–8
Adaptive Technologies Developed and Demonstrated for Extending the Stable Operating Range of Compressors
SmaggIce 2D Version 1.8: Software Toolkit Developed for Aerodynamic Simulation Over Iced Airfoils
Piloted Flight Simulator Developed for Icing Effects Training
Subsonic Scarf Inlets Investigated
Parametric Inlet Tested in Glenn’s 10- by 10-Foot Supersonic Wind Tunnel
Wind-US 1.0 Released by NPARC Alliance
Directional Attenuation of Jet Noise With Eccentric Coannular Nozzle Investigated
Pressure Control for Low Earth Orbit Investigated
Synthetic Vortex Generator Jets Used to Control Separation on Low-Pressure Turbine Airfoils
Object-Oriented Version of Glenn-HT Code Released: Glenn-HT2000
New Species of Fire Discovered: Fingering Flamelets Form a Dynamic Population
Soldering Tested in Reduced Gravity
Flow-Boiling Critical Heat Flux Experiments Performed in Reduced Gravity
Condensing Heat Exchanger Concept Developed for Space Systems
Binary Colloidal Alloy Test–3 (BCAT–3) Tabletop Space Station Experiment Continues
Two-Phase Flow Technology Developed and Demonstrated for the Vision for Exploration
Hybrid Power Management Program Evaluated Ultracapacitors for the Next Generation Launch Transportation Project
System Developed for Bulk Flow Imaging of a Two-Phase Fluid in a Cylindrical Couette
Acoustic Liquid Manipulation Used to Enhance Electrochemical Processes
Theoretical and Experimental Unsteady Aerodynamics Compared for a Linear Oscillating Cascade With a Supersonic Leading-Edge Locus
Model-Based, Multiscale Self-Tuning Controller Developed for Active Combustion Control
NASA Headquarters Program Offices
Programs and Projects
Index of Authors and Contacts
NASA Glenn Organizational Chart
Last updated: July 15, 2005
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