Physical Sciences
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INSIDER Test & Measurement
NASA Seeks Space Technologies for Suborbital and Orbital Flight Tests
NASA’s 2023 TechFlights solicitation is now open! Through TechFlights, researchers from U.S.-based industry, academia, and private research institutions can test...
Briefs Physical Sciences
Circuit Models for Robust, Adaptive Neural Control
This project seeks to reproduce the neural circuits used by the nematode Caenorhabditis elegans for locomotion. Caenorhabditis elegans is a small (~1.2 millimeter) nematode found in rotting...
Briefs Transportation
Space Debris Orbit and Attitude Prediction for Enhanced and Efficient Space Situational Awareness
This research deals with the problem of modelling the orbit and attitude motion of uncontrolled manmade objects in orbit about the Earth, which...
INSIDER Green Design & Manufacturing
New Grasses Neutralize Toxic Pollution From Bombs and Munitions
On military live fire training ranges, troops practice firing artillery shells, drop bombs on old tanks or derelict buildings and test the capacity of new weapons. But those...
Briefs Physical Sciences
Detecting Trace Levels of Explosives Using Vibrational Sum Frequency Spectroscopy
The threat of improvised explosive devices (IEDs) to human life is grave, and countering this threat is a high priority for force protection during military...
Briefs Defense
Next-Generation Spectrometers for Rapid Analysis of Complex Mixtures
Molecules have internal motions that are characteristic of their structure and identity. These motions can be studied by spectroscopy in different regions of the...
Briefs Defense
Analysis of an In-Ear Dosimeter for a Single Hearing Protection Device
US national and many international hearing conservation programs (HCPs) have adopted a noise exposure criterion of 85 dBA for a time-weighted average of 8 hours, with a 3...
Briefs Physical Sciences
Automatic-Alignment Fiber Optic Coupling System for Optimal Signal Transmission
Using the current method of characterizing waveguides manufactured for research in optical communications, it can take up to 8 hours to characterize the...
Briefs Physical Sciences
Detecting Maritime Radiological/Nuclear Threats with Hybrid Imaging
The SuperMISTI detection system is a hybrid detection, identification, and imaging system for sources of gamma-ray radiation at stand-off distances. The system is based on...
Briefs Physical Sciences
Testing Particle Counters for Detection of Fuel Contamination
Fuel quality assurance is accomplished by conducting periodic fuel sampling for the condition monitoring of aviation fuel by detecting, measuring, and reporting the levels of...
Briefs Physical Sciences
Simultaneous Vibration Suppression and Energy Harvesting
The goal of this work was to investigate the concept of using harvested energy to directly control the vibration response of flexible aerospace systems. Small, lightweight, flexible...
Briefs Physical Sciences
Cascading Failures in Coupled Distributed Power Grids and Communication Networks
Emerging distributed power grid systems will integrate tightly coupled networks, namely a power grid and a communication network, to provide distributed power monitoring and control. While distributing power monitoring and control away from a central site enhances...
Briefs Imaging
Confocal Imaging System for Ultra-Fast, Three-Dimensional Transport Studies in Thermal Management Applications
The objective of this work was to develop a high-speed, three-dimensional (3D) confocal imaging system to study coupled fluidic...
Briefs Physical Sciences
Evaluating a Data Clustering Approach for Lifecycle Facility Control
Given the current emphasis on sustainability, there is a growing interest in monitoring various facets of building resource consumption. Building monitoring and automation...
Briefs Physical Sciences
Portable Data Recorder for Measuring Sand Grain Fracture After Blasts
Abullet cannot penetrate through a sandbag while an arrow can, so understanding the behavior of granular materials such as sand and its energy absorption in a blast is...
Briefs Physical Sciences
Localization of Head-Mounted Vibrotactile Transducers
T he human sensory systems most frequently used in military displays (vision and audition) are sometimes overloaded. When soldiers rely on visual or auditory displays, their situation...
Briefs Physical Sciences
High-Resolution, Measurement-Based, Phase-Resolved Prediction of Ocean Wavefields
Given remote and direct physical measurements of a realistic ocean wavefield, the goal of this work was to obtain a high-resolution description of the...
Briefs Physical Sciences
Measuring Impact Damage to Toughened CFRP Laminates with Time Domain Reflectometry
Laminated Carbon Fiber Reinforced Polymer (CFRP) composites are very effective in weight saving in aeronautical structural components. For these laminated...
Briefs Physical Sciences
Testing Mechanical Properties of Polymer-Based Multi- Phase Particulate Composites
Polymer composites comprised of metallic particles distributed throughout a contiguous polymer matrix can often be modified to produce advanced composites...
Briefs Physical Sciences
Humanlike Articulated Robotic Headform for Respirator Fit Testing
The testing of individual respiratory protection (IRP) devices is now accomplished with panels of human wearers. Historical at tempts to simulate the human face and head have...
Briefs Physical Sciences
Bi-Axial Vibration Energy Harvesting
For air platforms, the installation of Structural Health Monitoring (SHM) systems is complicated by the fact that the majority of SHM devices need to be fitted on internal aircraft structure, underneath...
Briefs Physical Sciences
Quantitative Analysis of a Hybrid Electric Humvee for Fuel Economy Improvement
The Army has acquired several hybrid platforms to assess the applicability of hybrid technology for military missions. These hybrid platforms include both series...
Briefs Physical Sciences
Target Detection and Classification Using Seismic and PIR Sensors
Unattended ground sensors (UGS) are widely used in industrial monitoring and military operations. Such UGS systems are usually lightweight devices that automatically monitor...
Briefs Physical Sciences
Component Identification in Multi-Chemical Mixtures with Swept-Wavelength Resonant-Raman Spectroscopy
The utilization of ultraviolet resonance Raman spectroscopy for the detection and identification of chemical, biological, and nuclear hazards is of great interest due to the sensitivity and specificity afforded by this technique. Detection by...
Briefs Physical Sciences
Wheel Force Transducer for Field Testing
This project endeavors to develop, validate, and calibrate cost-effective field test equipment for measuring tire characteristics on vehicles while driving off-road. The four wheel force transducers...
Briefs Physical Sciences
Thermal Mechanical Fatigue Crack Growth Testing
Turbines in aircraft turbojet engines are being subject to increasingly higher temperatures to improve fuel efficiency. High turbine efficiency requires the ability of turbine blades to...
Briefs Physical Sciences
Evaluation of Three Extremity Armor Systems
The US Marine Corps and the US Army have been engaged in efforts to evaluate improved body armor, including armor to protect the extremities. These efforts are focused on both body armor...
Briefs Sensors/Data Acquisition
Development of High-Resolution Eddy Current Imaging Using an Electromechanical Sensor
An oscillating current flowing through a coil produces an oscillating magnetic field. When an electrically conducting material like a metal is brought...
Briefs Physical Sciences
Fuzzy Fiber Sensors for Structural Composite Health Monitoring
The onset of local damage in structures, such as delamination, cracking, and fastener loosening, can often be difficult to detect and has long-term implications on the...
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