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Briefs Software
Medical Information Network Decision Support System
In order to facilitate a more rapid and systematic transfer of new medical knowledge and capabilities into mainstream clinical practice, a new Medical Information Network Decision Support (MINDS) system has been proposed. This system is intended to be a platform for storing and fusing medical data...
Briefs Software
Software Suite for a Large Defense System
A suite of software tools was developed to enable networks composed of many hundreds, thousands, or even millions of commodity computers to protect themselves against a variety of security threats. These tools include Anagram, a content-based anomaly detection (AD) tool; ASSURE, which provides automatic...
Briefs Software
Virtual Network Computing Software for DataWall Remote Display
VNC (Virtual Network Computing) is open-source software that allows a user to view and interact with a remote computer (known as the VNC server) from a local computer (known as the VNC viewer/client). VNC is used to display multiple remote desktops on the DataWall. The original VNC...
Briefs Manufacturing & Prototyping
Manufacturing Cylindrical Parts Using Deep Draw Technology
In applications where product performance is mission critical, commercial, military, and aerospace companies require technology to manufacture deep- drawn cylindrical product...
Briefs Mechanical & Fluid Systems
Using a Steering Shaping Function to Improve Human Performance in By-Wire Vehicles
Currently, there is a performance issue regarding vehicle control at higher speeds for some indirect-vision, by-wire military vehicles; that is, those vehicles...
Briefs Materials
Wettability Tests of Polymer Films and Fabrics
High-strength polymer materials are useful components in many multifunctional materials applications. However, because of low reactivity, their use is inhibited in many processing techniques....
Briefs Sensors/Data Acquisition
Microfabrication and Testing of a Thermoelectric Device for Generating Mobile Electrical Power
Several attractive features of thermo-electric (TE) technology include no moving parts, light weight, modularity, covertness, silence, high power...
Briefs Physical Sciences
Considerations of Aeroacoustics in Turbojet-Engine Testing
A study of the aeroacoustics of a turbojet-engine test cell has been performed as one step in the development of a computational aeroacoustics capability (CAA) that could provide...
Briefs Manufacturing & Prototyping
Fabricating Biologically Inspired Artificial Haircell Sensors
As electronics packaging and equipment have decreased in size and weight, so have the potential dimensions of unmanned aircraft. Specifically, a classification of micro air vehicles...
Briefs Mechanical & Fluid Systems
Sensing for Controls and Propulsion Health Management in Turbine Engines
Advances in engine performance and reliability require sensor components that operate reliably under extreme engine operating conditions (e.g., takeoff, max thrust) and in...
Tech Transfer Reports Manufacturing & Prototyping
Ceramic Manufacturing Technique Opens New Markets
Traditionally, ceramics have been thought of as hard and brittle, yet able to tolerate high temperatures. Now, Advanced Ceramics Research (ACR) of Tucson, AZ has developed a method of...
Briefs Mechanical & Fluid Systems
Axial Field Electric Motor
An axial field electric motor comprises one or more elements such as a rotor mounted for rotation and multiple axial flux permanent magnets carried by the rotor. The axial flux permanent magnets are oriented such that...
Briefs Mechanical & Fluid Systems
Water Mist System for Shipboard Machinery Space Fires
Water mist has been determined to be a preferred alternative to Halon 1301 total flooding to extinguish fires occurring in ship machinery spaces and pump rooms, because it is toxicologically...
Briefs Materials
Novel Conductive Coatings of Carbon Nanotubes
Carbon nanotubes (CNTs) are the material of ever-increasing concern due to their excellent electronic and physicochemical properties. Currently, research has been focused towards their applications for use in chemical and biological sensors as well as their use in optoelectronic devices. One of the...
Briefs Materials
Mechanical Response of an Al-PTFE Composite to Uniaxial Compression Over a Range of Strain Rates and Temperatures
Reactive materials can be loosely categorized as composites of inert solid materials which, when subjected to a violent mechanical...
Briefs Materials
Polymer Matrix Composite Materials for a Structural Multifunctional Fuel Cell
A structural multifunctional fuel cell design enables material elements participating in power or energy processes to also carry significant structural loads. Power...
Briefs Sensors/Data Acquisition
Characterization of a MEMS Directional Sound Sensor
There is a wide range of potential military applications in which ambiguity in bearing occurs with respect to sound. For example, autonomous unmanned aerial vehicles (UAVs) could employ a...
Briefs Materials
Fluidic Flexible Matrix Composites for Autonomous Structural Tailoring
In previous research, a high-mechanical- advantage actuator system inspired by the fibrillar networks in plant cell walls was developed. One of the basic elements in the...
Briefs Software
Software Optimizes Multi-Core Platforms
Perseus is a suite of tools that allows existing x86-based software (in binary form) to be optimized for commodity multi-core platforms. Optimizations are made with respect to both performance (e.g., by avoiding undesirable cache effects) and power consumption (e.g., by modulating frequency and voltage of...
Briefs Materials
Cluster-Assembled Soft Magnets for Power Electronics Applications
This technique uses nanocluster assembly to produce model soft magnetic materials with simpler chemical composition than existing materials and well-controlled nanostructure, and...
Briefs Photonics/Optics
Robot Vision System for Precise Object Retrieval in Unmanned Systems
Automating large-scale material handling systems that involve picking up or retrieving items via cranes or robot arms can yield big benefits, particularly in harsh or...
Briefs Manufacturing & Prototyping
Patterning of Polycrystalline Bi2Te3 Thin Films on Silicon
Experiments in patterning of thin films of polycrystalline bismuth telluride (Bi2Te3) on silicon substrates have been performed. Bi2Te3 is representative of a family of thermoelectric...
Briefs Manufacturing & Prototyping
Improvements in Manufacturing BMI/Fiber Composites Using AFP
A program now in progress is dedicated to making improvements in automated fiber placement (AFP) for the manufacture of advanced composite-material (matrix/fiber) structural...
Briefs Mechanical & Fluid Systems
Prototype Rocket Engine for a Nanosat Launch Vehicle
A paper discusses a prototype rocket engine for a suborbital Reusable Nanosat Launch Vehicle (RNLV). The engine must operate with thrust levels from 3,000 to 5,000 lbf. The engine is comprised of three major subassemblies: the injector, igniter, and the combustion chamber nozzle. Propellants are...
Briefs Mechanical & Fluid Systems
Stability of Rotors Supported by Hydrodynamic Film Bearings
The document, "Hydrodynamic Fluid Film Bearings and Their Effect on the Stability of Rotating Machinery" represents a lecture in a series "Design and Analysis of High-Speed Pumps," held in 2006 under the auspices of the North Atlantic Treaty Organization. The document introduces the basic...
Briefs Mechanical & Fluid Systems
SparkJet Actuators for Controlling Flows
SparkJet actuators are under investigation as means of controlling flows — especially supersonic and hypersonic flows. In one important class of potential applications, SparkJet actuators would be...
Briefs Materials
Thermal Characterization of Thin Films for MEMS Applications
Dielectric thin films play a very important role in the development of microelectromechanical systems (MEMS). These dielectric materials often are used as insulating layers in...
Briefs Materials
Lubrication Considerations for Military Equipment
Military equipment is subject to increasingly harsh environmental conditions and performance requirements. Simultaneously, engineers and equipment operators are demanding longer service life and less maintenance. The proper approach to lubrication is critical to minimizing equipment failures and...
Briefs Materials
Barium Ferrite Materials for Microwave Circulators
Barium ferrite thick disks have been fabricated for incorporation in self-biased microwave devices. The process uses barium ferrite nanopowder mixed with epoxy. The mix is placed on alumina substrates to fabricate 500 μm thick disks of BaM to achieve good magnetic properties such as magnetic...
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