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Surface Acoustic Wave Devices as Chemical Vapor Sensors
The objective of this research is to develop a transducer for recognition of molecular changes in t
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Evaluation of Beef Cattle Feedlot Waste Management Alternatives
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Computational Fluid Dynamics Investigation of Vortex Breakdown for a Delta Wing at High Angle of Attack
Using the commercially available FLUENT 3-D flow field solver, this research effort investigated vo
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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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Cooperative Unmanned Aerial Surveillance Control System Architecture
Intelligence, surveillance and reconnaissance (ISR) is a high-demand Department of Defense mission
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Fuel Composition Analysis of Endothermically Heated JP-8 Fuel for use in a Pulse Detonation Engine
Waste heat from a pulse detonation engine (PDE) was extracted via zeolite catalyst coated concentri
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Skylab 1 Mission Commentary
Several series from the NASA Headquarters Historical Reference Collection have been digitizedand ma
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Detonation Branching in a PDE With Liquid Hydrocarbon Fuel
Pulse detonation engines (PDE) capitalize on the large mass flux and pressure rise a detonation has
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Modern Airships
Modern airships by design are capable of short-take off and landings (STOL), and vertical take-off
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Intermediate Aircraft Maintenance
Most combat aircraft systems today utilize three levels of repair capability; organizational, inter
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The Aerodynamic Performance of the Houck Configuration Flow Guides
In an effort to explore efficient wing designs for UAV's, the Air Force is investigating the patent
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Concepts of Operations for a Reusable Launch Space Vehicle
The US military must be prepared to take advantage of reusable launch vehicles should the NASA-led
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Detection, Control, and Correction of Hydrogen Sulfide Corrosion in Existing Wastewater Systems
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Image Dependent Relative Formation Navigation for Autonomous Aerial Refueling
This research tests the feasibility, accuracy, and reliability of a predictive rendering and holist
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Evaluation of the Thermo Scientific?(R) FirstDefender RM璽[ Raman Spectrometer - Technology Evaluation
The National Institute of Justice (NIJ) is the research, development and evaluationagency of the US
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A Study of a Skirtless Hovercraft Design
Three proposed skirtless hovercraft designs were analyzed via computational fluid dynamics to ascer
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Should the Air Force Consider Investments in Renewable Energy a Weapon System?
The world is faced with an energy supply and demand challenge that greatly impacts the U.S. Air For
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Is It Time for Space Debris Reduction Capabilities?
For over 50 years, space-faring nations have launched objects into space, resulting in the signific
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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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Water
Water: Vital to Life, Vulnerable to Terrorism The safety of US water systems took on new meaning as
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Rockets and People, Volume 2
Much has been written in the West on the history of the Soviet space program but few Westerners hav
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Characterizing the Effect of Chlorine and Chloramines on the US EPA Office of Research and Development Formation of Biofilm in a Simulated Drinking Water Distribution System
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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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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Cereal Grains
CRC Press 出版Cereal grains are a major part of the global diet, but their nutritional benefits depend on how the
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Exfit Flight Design and Structural Modeling for Falcon LAUNCH VIII Sounding Rocket
This research effort furthers the Air Force's study of reusable launch vehicles and hypersonic airf
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An Evaluation of U.S. Air Force Aviation Fuel Consumption Factors to Accurately Predict Aviation Fuel Costs by Aircraft Mission, Design, and Series
The purpose of this research was to evaluate the ability of Air Force published fuel factors to acc
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Anaerobic Sludge Digestion
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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A Laboratory Study to Investigate Gaseous Emissions and Solids Decomposition During Composting of Municipal Solid Wastes
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Spacecraft Proximity Operations Used to Estimate the Dynamical and Physical Properties of a Resident Space Object
When conducting a space proximity operation, developing high-fidelity estimates of the dynamical an
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USAF Pilot Perceptions of Workload Assessment in a Combat or High-Threat Environment
This study analyzed the self-reported survey responses of 219 Air Force Pilots concerning their per
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Space Launch Operations and the Lean Aerospace Initiative
The lean concepts of right thing, right place, and at the right time can be applied to current and
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Description and Sampling of Contaminated Soils
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Comparative Analysis of a High Bypass Turbofan Using a Pulsed Detonation Combustor
It has been proposed that the implementation of a pulsed detonation combustor in a high-bypass turb
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Input Shaping to Reduce Solar Array Structural Vibrations
Structural vibrations induced by actuators can be minimized using input shaping. Input shaping is a
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A Systems Engineering Approach to the Design of a Spacecraft Dynamics and Control Testbed
A systems engineering team used an innovative process to develop a new frictionless air bearing sat
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Air Pollution in the Coffee Roasting Industry
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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Unmanned Aircraft Systems
Routine UAS access to the NAS poses a variety of technological, regulatory, workload, and coordinat
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Application of Functionally Graded Materials in Aircraft Structures
A Functionally Graded Material (FGM) is a material which has a continuous variation of material pro
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Field Manual for Performance Evaluation and Troubleshooting at Municipal Wastewater Treatment Facilities
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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Controlling Sideslip Angle to Reduce the Radar Exposure of a Tactical, Rotary Winged UAV
This work investigates another way of contributing to the radar minimization solution for air vehic
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A Metagenomic Analysis of Microbial Contamination in Aviation Fuels
Microbial contamination in aviation fuel arises due to the impracticality of keeping fuel tanks ste
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Integral Twist Actuation of Helicopter Rotor Blades for Vibration Reduction
Active integral twist control for vibration reduction of helicopter rotors during forward flight is
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Costs of Arsenic Removal Technologies for Small Water Systems
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Rich
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A Systems Engineering Approach to Integrated Structural Health Monitoring for Aging Aircraft
The United States Air Force and many of its Coalition partners have extended the original service l
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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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A Robust Rotorcraft Flight Control System Design Methodology Utilizing Quantitative Feedback Theory
Rotorcraft flight control systems present design challenges which often exceed those associated wit
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Investigation of the Performance Characteristics of Re-Entry Vehicles
When a non-US spacecraft reenters the Earth's atmosphere, having the ability to accurately determin