Aeronautics
High Speed Systems
High Speed
Research--Propulsion Project Accomplishments
Propulsion Systems Analysis
Minimum Climb to Cruise
Noise Trajectories for the High Speed Civil Transport
Inlet Performance Analysis
Code Developed
Conceptual Design
Method Developed for Advanced Propulsion Nozzles
Computing and Interdisciplinary Systems
Multiphysics Code Demonstrated
for Propulsion Applications
Flow of a Gas
Turbine Engine Low-Pressure Subsystem Simulated
Materials
Assessing the Resistance
of g-Ti-47Al-2Nb-2Cr (at.%) to Foreign Object Damage
Strengthening Precipitate
Morphologies Fully Quantified in Advanced Disk Superalloys
High-Temperature Compressor
Material Development
Method Developed for the
High-Temperature Nondestructive Evaluation of Fiber-Reinforced
Silicon Carbide Ceramic Matrix Composites
Interfacial Thickness
Guidelines for SiCFiber/SiCMatrix Composites
Stable Boron Nitride
Interphases for Ceramic Matrix Composites
Cyclic Fiber Push-In
Test Monitors Evolution of Interfacial Behavior in Ceramic
Matrix Composites
Tribometer for Lubrication
Studies in Vacuum
Computational Chemistry and
Lubrication
"Green"
High-Temperature Polymers
Low-Cost Manufacturing of
High-Temperature Polymer Composites
Residual Stresses Modeled
in Thermal Barrier Coatings
Oxidation of Boron Nitride
in Composites
Carbon-13 Labeling Used to
Probe Cure and Degradation Reactions of High-Temperature Polymers
Thermal High- and Low-Cycle
Fatigue Behavior of Thick Thermal Barrier Coating Systems
Power and On-Board Propulsion
Technology
Wheel Abrasion
Experiment Conducted on Mars
Results From Mars Show
Electrostatic Charging of the Mars Pathfinder Sojourner Rover
Measuring Dust on Mars
Lightweight Nickel Electrode
Development Program
Systems Analysis in Support
of the NASA Fuel Cell Upgrade Program for the Space Shuttle Orbiter
Bipolar Nickel-Metal Hydride
Battery Being Developed
Electrolysis Propulsion
Provides High-Performance, Inexpensive, Clean Spacecraft Propulsion
"Green"
Monopropellant Developed for Spacecraft
Power Management and
Distribution System Developed for Thermionic Power Converters
Advanced Electric Distribution,
Switching, and Conversion Technology for Power Control
Soft X-Ray Exposure Testing of
FEP Teflon for the Hubble Space Telescope
Evaluation of Low-Earth-Orbit
Environmental Effects on International Space Station Thermal
Control Materials
Integrated Solar Upper
Stage Technical Support
High-Voltage 1-kW dc/dc
Converter Developed for Low-Temperature Operation
Atomic Oxygen Cleaning
Shown to Remove Organic Contaminants at Atmospheric Pressure
Refractive Secondary Solar
Concentrator Being Designed and Developed
Aerospace Power Systems Design
and Analysis (APSDA) Tool
Instrumentation and Controls
Drag Force Anemometer
Used in Supersonic Flow
Attachment of Free Filament
Thermocouples for Temperature Measurements on Ceramic Matrix
Composites
Silicon Carbide Mixers
Demonstrated to Improve the Interference Immunity of
Radio-Based Aircraft Avionics
Silicon Carbide Junction
Field Effect Transistor Digital Logic Gates Demonstrated at 600 °C
Chemical Mechanical Polishing
of Silicon Carbide
Model-Trained Neural Networks
and Electronic Holography Demonstrated to Detect Damage in Blades
Particle Imaging Velocimetry
Used in a Transonic Compressor Facility
Jet Injection Used to Control
Rotating Stall in a High-Speed Compressor
Distortion Tolerant Control
Demonstrated in Flight
Active Pattern Factor Control for
Gas Turbine Engines
Real-Time Sensor Validation
System Developed
Communications Technology
Asynchronous Transfer Mode
Quality-of-Service Testing
Satellite-Terrestrial Network
Interoperability
High-Temperature
Superconducting/Ferroelectric, Tunable, Thin-Film Microwave
Components
Reflectarray Demonstrated to
Transform Spherical Waves Into Plane Waves
Turbomachinery and Propulsion
Systems
Wave Rotor Research and
Technology Development
Low-Pressure Turbine Flow
Physics Program
LSPRAY: Lagrangian Spray
Solver for Applications With Parallel Computing and Unstructured
Gas-Phase Flow Solvers
EUPDF: Eulerian Monte Carlo
Probability Density Function Solver for Applications With Parallel
Computing, Unstructured Grids, and Sprays
Three-Dimensional Measurements
of Fuel Distribution in High-Pressure, High-Temperature,
Next-Generation Aviation Gas Turbine Combustors
Mixing of Multiple Jets With
a Confined Subsonic Crossflow
Advanced Subsonic Combustion Rig
Time-Resolved Optical Measurements
of Fuel-Air Mixedness in
Windowless
High Speed Research
Combustors
Advanced Fuels Can Reduce
the Cost of Getting Into Space
Metallized Gelled
Propellants: Heat Transfer of a Rocket Engine Fueled by
Oxygen/RP-1/Aluminum Was Measured by a Calorimeter
F100 Engine Emissions Tested in
NASA Lewis' Propulsion System Laboratory
Microblowing Technique
Demonstrated to Reduce Skin Friction
Effect of Installation of
Mixer/Ejector Nozzles on the Core Flow Exhaust of High-Bypass-Ratio
Turbofan Engines
Forebody/Inlet of Joint Strike
Fighter Tested at Low Speeds
Lift Fan Nozzle for Joint Strike
Fighter Tested in NASA Lewis' Powered Lift Rig
New Nozzle Test Rig Developed
Resonance of Twin Jet Plumes
Studied
Design Concepts Studied for the
Hydrogen On-Orbit Storage and Supply Experiment
Vented Tank Resupply Experiment
Demonstrated Vane Propellant Management Device for Fluid Transfer
Recent Advancements in
Propellant Densification
Parametric Study Conducted of
Rocket-Based, Combined-Cycle Nozzles
Structures and Acoustics
Design Process for High
Speed Civil Transport Aircraft Improved by Neural Network and
Regression Methods
Thermal Effects Modeling Developed
for Smart Structures
Procedure Developed for Ballistic
Impact Testing of Composite Fan Containment Concepts
Mechanical Characterization of
the Thermomechanical Matrix Residual Stresses Incurred During
MMC Processing
Test Standard Developed for
Determining the Slow Crack Growth of Advanced Ceramics at Ambient
Temperature
Accelerated Testing Methodology
Developed for Determining the Slow Crack Growth of Advanced Ceramics
Constitutive Theory Developed
for Monolithics Ceramic Materials
Noncontact Determination of
Antisymmetric Plate Wave Velocity in Ceramic Matrix Composites
Experimental Techniques Verified
for Determining Yield and Flow Surfaces
Cares/
Life
Ceramics
Durability Evaluation Software Used for Mars Microprobe Aeroshell
Continuum Damage Mechanics Used
to Predict the Creep Life of Monolithic Ceramics
Single-Transducer, Ultrasonic
Imaging Method for High-Temperature Structural Materials Eliminates
the Effect of Thickness Variation in the Image
Neural Network Control of a
Magnetically Suspended Rotor System
Feasibility of Using Neural
Network Models to Accelerate the Testing of Mechanical Systems
Magnetic Suspension for Dynamic
Spin Rig
High-Temperature Magnetic Bearings
Being Developed for Gas Turbine Engines
Integrated Fiber-Optic Light
Probe: Measurement of Static Deflections in Rotating Turbomachinery
Damping Experiment of Spinning
Composite Plates With Embedded Viscoelastic Material
Lewis-Developed Seal Is a Key
Technology for High-Performance Engines
Microgravity Science
Droplet Combustion
Experiment
Fiber-Supported Droplet
Combustion Experiment-2
Laminar Soot Processes Experiment
Is Shedding Light on Flame Radiation
Structure of Flame Balls at
Low Lewis-Number
Physics of Hard Spheres Experiment
(PhaSE) or "Making Jello in Space"
Liquid-Vapor Interface
Configurations Investigated in Low Gravity
NASA Lewis' Telescience Support
Center Supports Orbiting Microgravity Experiments
Capillary-Driven Heat Transfer
Experiment: Keeping It Cool in Space
Ground-Based Reduced-Gravity
Facilities
Power and Propulsion
Pulsed Plasma Thruster
Technology Development and Flight Demonstration Program
Liquid Motion Experiment Flown
on STS-84
Closed Cycle Engine Program
Used in Solar Dynamic Power Testing Effort
Dark Forward Electrical Test
Techniques Developed for Large-Area Photovoltaic Arrays
On-Orbit Electrical Performance
of a Mir Space Station Photovoltaic Array Predicted
Radiation Heat Transfer Modeling
Improved for Phase-Change, Thermal Energy Storage Systems
High-Temperature, High-Flux
Multifoil Shield Developed for Space Applications
Solar Electric Propulsion for
Mars Exploration
Space Station Radiator Test
Hosted by NASA Lewis at Plum Brook Station
Improving Safety and
Reliability of Space Auxiliary Power Units
Engineering and Technical Services
Computer Services
Antiterrorist Software
Worldwide Research, Worldwide
Participation: Web-Based Test Logger
Real-Time, Interactive
Echocardiography Over High-Speed Networks: Feasibility and
Functional Requirements
Manufacturing Engineering
Electron Beam Welder Used to
Braze Sapphire to Platinum
Facilities and Test Engineering
New Spray Bar System Installed
in NASA Lewis' Icing Research Tunnel
Luminescent Paints Used for
Rotating Temperature and Pressure Measurements on Scale-Model
High-Bypass-Ratio Fans
New Model Exhaust System Supports
Testing in NASA Lewis' 10- by 10-Foot Supersonic Wind Tunnel
Process Developed for Forming
Urethane Ice Models
Engineering Design and Analysis
Manipulating Liquids With
Acoustic Radiation Pressure Phased Arrays
Statistical Treatment of Earth
Observing System Pyroshock Separation Test Data
New Test Section Installed in
NASA Lewis' 1- by 1-Foot Supersonic Wind Tunnel
Embedded Web Technology: Internet
Technology Applied to Real-Time System Control
Commercial Technology
NASA Lewis Helps Company With New
Single-Engine Business Turbojet
NASA Lewis Helps Develop
Advanced Saw Blades for the Lumber Industry
Modeling Code Is Helping Cleveland
Develop New Products
Electronics Manufacturer Provided
With Testing and Evaluation Data Necessary to Obtain Additional
Orders
NASA Lewis' Icing Research Tunnel
Works With Small Local Company to Test Coatings
NASA Lewis and Ohio Company
Hit Hole in One
New Research Methods Developed
for Studing Diabetic Foot Ulceration
Lewis' Quality Council
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