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Hybrid Airships for Lift
With its reduced operating costs and point-of-need (PON) delivery ability, the hybrid airship is on
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Wind Tunnel Investigation of the Static Stability and Control Effectiveness of a Rotary Tail in a Portable UAV
The Air Force Research Lab, Munitions Directorate, Flight Vehicles Integration Branch (AFRL/MNAV) d
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Development of a Comprehensive Digital Avionics Curriculum for the Aeronautical Engineer
The purpose of this research was to develop a comprehensive digital avionics curriculum that will s
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Critical Design Parameters for Pylon-Aided Gaseous Fuel Injection Upstream of a Flameholding Cavity
The Air Force Institute of Technology and the AFRL are investigating means to increase the efficien
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Chromate Content Bias as a Function of Particle Size in Aircraft Primer Paint Overspray
Spray painting operations using chromate-containing primer paints produce particles which may expos
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Meeting U.S. Defense Needs in Space
U.S. defense industrial base (DIB) deterioration and increased DOD interest in space exploitation h
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An Investigation Into Robust Wind Correction Algorithms for Off-the-Shelf Unmanned Aerial Vehicle Autopilots
This research effort focuses on developing methods to design efficient wind correction algorithms t
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Characterization of Binary Offset Carrier Systems Coexisting With Other Wideband Signals
Results for the modeling, simulation, and analysis of interference effects that modern wideband sig
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USAF Aircraft Mishap Safety Investigation Boards
The United States Air Force (USAF) has a formal process for conducting investigations of its aircra
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An Approach to the Constrained Design of Natural Laminar Flow Airfoils
A design method has been developed by which an airfoil with a substantial amount of natural laminar
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The Canning of Foods
"The Canning of Foods," originally published in 1912, offers a detailed look into the methods emplo
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Biological Concepts for Design and Operation of the Activated Sludge Process
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Computer-Assisted Procedure for the Design and Evaluation of Wastewater Treatment System Users Guide
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Performance Characterization of a Novel Plasma Thruster to Provide a Revolutionary Operationally Responsive Space Capability With Micro- and Nano-Satellites
Few options currently exist to provide propulsion for extremely small satellites due to design cons
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Satellite Capabilities Mapping
The cost and schedule advantages small satellites have over larger legacy systems have been studied
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Experimental Methods to Characterize Nonlinear Vibration of Flapping Wing Micro Air Vehicles
For urban combat reconnaissance, the flapping wing micro air vehicle concept is ideal because of it
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A Nonlinear Pre-Filter to Prevent Departure And/or Pilot-Induced Oscillations Due to Actuator Rate Limiting
Closed loop instability caused by excess phase lag induced by actuator rate limiting has been suspe
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High Altitude Airship Station-Keeping Analysis
Lighter-than-air vehicles were once widely utilized by most major militaries. The airship's extende
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The Need for Speed
Transformation to the next level of technology is a pressing issue for the Air Force's strategic pl
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Satellite-Based Fusion of Image/Inertial Sensors for Precise Geolocation
The ability to produce high-resolution images of the Earth's surface from space has flourished in r
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Design Manual
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Whole Spacecraft Vibration Isolation
The Department of Defense has identified launch vibration isolation as a major research interest. R
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Sizing Analysis for Aircraft Utilizing Hybrid-Electric Propulsion Systems
Current conceptual aircraft design methods use historical data to predict and evaluate the size and
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Design and Performance Calculations of a Propeller for Very High Altitude Flight
Reported here is a design study of a propeller for a vehicle capable of subsonic flight in Earth's
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Thermal Characterization of a Hall Effect Thruster
The thermal characteristics of a Hall thruster directly influence thruster and spacecraft design. H
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Design of a Space-Borne Autonomous Infrared Tracking System
Complete characterization of the space environment in support of the United States' goal of Space S
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Identifying and Mitigating the Risks of Cockpit Automation
Cockpit automation has delivered many promised benefits such as improved system safety and efficien
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The Need for a Global Space-Traffic-Control Service
Losing a satellite to an accidental on-orbit collision is no longer hypothetical, but real and incr
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Attitude Model of a Reaction Wheel/Fixed Thruster Based Satellite Using Telemetry Data
Attitude determination of satellites is normally the job of inertial instruments, such as gyroscope
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Technology Transfer
Everyday within United States Air Forces' research laboratories there are hundreds of scientists an
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System Identification of an on Orbit Spacecraft's Antenna Dynamics
The research presented here is a follow on to previous efforts [Pachter, Barba, 2007] in which a ti
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Common Aero Vehicle Autonomous Reentry Trajectory Optimization Satisfying Waypoint and No-Fly Zone Constraints
To support the Global Strike mission, an autonomous trajectory optimization technique is presented
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Handbook for Stabilization/Solidification of Hazardous Wastes
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Comparison of High Aspect Ratio Cooling Channel Designs for a Rocket Combustion Chamber With Development of an Optimized Design
An analytical investigation on the effect of high aspect ratio (height/width) cooling channels, con
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Application of Sliding Mode Methods to the Design of Reconfigurable Flight Control Systems
Observer-based sliding mode control is investigated for application to aircraft reconfigurable flig
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Detonation Propagation Through Ducts in a Pulsed Detonation Engine
Development of a continuously operating pulsed detonation engine (PDE) without a high energy igniti
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Design Manual
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Water
Water: Vital to Life, Vulnerable to Terrorism The safety of US water systems took on new meaning as
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Economic Feasibility of Installing an Anaerobic Digester on a Department of Defense Installation
Improving technology has made anaerobic digestion a viable method for disposing of organic waste an
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Unmanned Aircraft Systems in a Forward Air Controller (Airborne) Role
The ability to deliver weapons systems and the increased capabilities of unmanned aircraft systems
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A Novel Communications Protocol Using Geographic Routing for Swarming UAVs Performing a Search Mission
This research develops the UAV Search Mission Protocol (USMP) for swarming UAVs and determines the
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Long Term Quadrotor Stabilization
The work of this thesis focuses on the IMU and getting the best performance possible out of the IMU
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Aeroelastic Analysis of a Joined-Wing Sensorcraft
This study performed an aeroelastic analysis of a joined-wing SensorCraft. The analysis was complet
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Building a Better Aircraft Maintenance Officer
Several changes have occurred in the maintenance operating environment and in aircraft maintenance
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Multimission Aircraft Design Study
In the most recent years, the Command, Control and Communications, Counter Measures, Intelligence,
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A Systems Architecture and Advanced Sensors Application for Real-Time Aircraft Structural Health Monitoring
Aircraft are being pushed beyond their original service life, increasing the potential for structur
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A Comparative Analysis of the Cost Estimating Error Risk Associated With Flyaway Costs Versus Individual Components of Aircraft
A shrinking workforce, unstable budgets, and rapidly changing objectives under stricter time constr
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Vacuum Chamber Construction and Contamination Study of a Micro Pulsed Plasma Thruster
The micro pulsed plasma thruster (micro-PPT) is a simple and versatile electric thruster capable of