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Briefs: Aerospace
Autonomous Leading-Edge Slat Device for Reduction of Aeroacoustic Noise Associated with Aircraft Wings
Conventional transport aircraft wing design is driven mainly by cruise efficiency, i.e., adequate lift is generated at high speed for level flight with minimal drag. Conventional high-lift systems (leading edge slats and trailing edge flaps) were...
Briefs: Aerospace
StormGen Weather Editor
Experiments that take into account the impact of convective weather on airspace operations, future concepts, and flight deck tools require a source of weather data that is readily available, of predictable quality, and tailorable to experimental objectives. Real-world weather data is sparse, highly random, and disorganized....
Briefs: Aerospace
Pair-wise Trajectory Management (PTM) Airborne Human Machine Interface (HMI) Display Design
Pair-wise Trajectory Management (PTM) is a concept that utilizes airborne and ground-based capabilities to enable airborne spacing operations in oceanic regions. The goal of PTM is to use enhanced surveillance, along with airborne tools, to manage the...
Briefs: Aerospace
Airframe noise is a significant part of the overall noise of typical transport aircraft during the approach and landing phases of flight. Airframe noise reduction is...
Briefs: Aerospace
Aircraft Engine Exhaust Nozzle System for Jet Noise Reduction
Conventional aircraft typically include propulsion engines that are under the wing or tail surfaces. Each propulsion engine system includes an engine housed in a nacelle with an inlet and a nozzle system. Primary component noise sources from the engine system include the noise associated...
Briefs: Aerospace
Rotorcraft Noise Model (RNM)
The Rotorcraft Noise Model (RNM) is a suite of computer models that predicts far-field noise for single or multiple flight vehicle operations. RNM calculates the effects of sound propagation over varying ground terrain for acoustic sources using geometrical theory of diffraction algorithms, and through a horizontally...
Briefs: Aerospace
Airframe noise, produced by unsteady flow around aircraft structures, is an important source of aircraft noise during approach and landing. Sound radiating from the undercarriage is a major contributor...
Briefs: Medical
Relativistic Ion Tracks (RITRACKS)
Once astronauts venture beyond Earth’s protective atmosphere, they are exposed to the high-energy charged particles of galactic cosmic rays (GCR) and solar particle events (SPE), and secondary protons and neutrons. GCR are composed of ions, the great majority of which are protons (≈87%) and helium nuclei...
Briefs: Medical
Medical Oxygen Concentrator for Microgravity Operation
Supplemental oxygen delivery systems are vital to provide a critical life support respiratory function. Whether they are used for patients suffering from lung diseases or other illnesses, or astronauts donning an oxygen mask during a toxic spill or fire on a spacecraft, lightweight and portable...
Briefs: Medical
Lateral Displacement Device for Blood Cell Separation
Separation of particles based on size is one of the essential components in biochemical analysis, environmental assays, and industrial and biomedical applications. Filtration is one of the most frequently used techniques to separate particles. A mechanical filter can be used to remove, filter,...
Briefs: Medical
Using a Blood Clot in Microfluidic Valving Applications
The lack of reliable microvalves impedes many lab-on-a-chip applications for blood analysis. On the other hand, blood clotting — the formation of solid blood aggregate to stop bleeding — provides a natural valving mechanism. It is therefore very attractive to use this mechanism for...
Briefs: Medical
Drug-Encapsulated Prosthetic Enhancement
This invention places a drug delivery system inside a prosthetic implant to circumvent the physical issues encountered after fitting the implant. Implants being relatively large in size would be able to house the drug-carrying device inside them without compromising the structural integrity or the...
Briefs: Medical
Portable Resting State Detection System Using Functional Near-Infrared Spectroscopy
The ability to distinguish between high and low levels of task engagement is important for detecting and preventing performance decrements during safety-critical operational tasks in the real world. Examples of such tasks include commercial aviation, monitoring for...
Briefs: Software
BALFIT Version 3.1 Multivariate Regression Analysis and Regression Model Optimization Software
The software package BALFIT was developed for both the processing of wind tunnel strain-gage balance data and the analysis of more general multivariate experimental data sets. The software uses automatically generated regression models for the analysis....
Briefs: Information Technology
Mariana Text Classification System
Support Vector Machines (SVM) can be used as a binary classifier for a wide range of data and problems. For text, it is often used to determine automatically if a document belongs to a given topic category. Automatic and reliable classification of documents can be an invaluable tool for industries that monitor...
Briefs: Information Technology
Marshall MRMS Mosaic Python Toolkit (MMM-Py)
This Python script will allow the user to read, analyze, and display National Oceanic and Atmospheric Administration (NOAA) Multi-Radar/Multi-Sensor(MRMS) mosaic tile files containing mosaic radar reflectivities on a national 3D grid. Simple diagnostics and plotting, as well as computation of composite...
Briefs: Information Technology
Data Encoding and Parallelization Porting Techniques to Transform Binary Data Formats to Hadoop/MapReduce
The objective of this invention is to transform applications that process big data in arbitrary formats using the MapReduce parallel programming model and executed on the open-source Hadoop platform. Many legacy data-intensive applications do...
Briefs: Imaging
Characterizing Richness of Previously Unmapped Terrain and Estimating its Impact on Navigation Performance using 3D Range Sensors in Flight
Landers to large planetary bodies such as Mars typically use a secondary reconnaissance spacecraft to generate high-fidelity 3D terrain maps that are subsequently used for landing site selection and creating...
Briefs: Sensors/Data Acquisition
SEA5: Space Environment Automated Alerts & Anomaly Analysis Assistant
The Community Coordinated Modeling Center (CCMC) provides a wide range of space weather tools and services for the general scientific community. One such product that facilitates space weather situational awareness is collectively known as the Integrated Space Weather Analysis...
Briefs: Sensors/Data Acquisition
Extensible Data Gateway Environment (EDGE)
The NASA Physical Oceanography Distributed Active Archive Center (PO.DAAC) is NASA’s designated data center for information relevant to the physical state of the ocean. Its core datamanagement and workflow system, Data Management and Archive System (DMAS), is responsible for processing hundreds of...
Briefs: Sensors/Data Acquisition
Flight Test Maneuvers for Efficient Aerodynamic Modeling
Flight testing is expensive. It is therefore important that necessary flight data be collected in the most efficient manner possible. Inputs traditionally used for flight test maneuvers to collect aircraft stability and control data include doublets, impulses (stick raps), multisteps, and...
Briefs: Sensors/Data Acquisition
JPL CO2 Virtual Science Data Environment (VSDE)
The JPL CO2 Virtual Science Data Environment (VSDE) (http://co2.jpl.nasa.gov) is a comprehensive effort to bring together the models, data, and tools necessary for atmospheric CO2 research. The VSDE site is designed to provide streamlined Web-based discovery and access to multiple global and regional...
Briefs: Sensors/Data Acquisition
Python Advanced Microwave Precipitation Radiometer Data Toolkit (PyAMPR)
Advanced Microwave Precipitation Radiometer (AMPR) brightness temperature data from NASA field projects are in ASCII format. This Python script defines a class that will read in a single file from an individual aircraft flight and pull out timing, brightness temperatures from...
Briefs: Sensors/Data Acquisition
Data Ordering Genetic Optimization (DOGO) System
Observations in modern datasets have a continuum of quality that can be hard to quantify. For example, satellite observations are subject to often-subtle mixtures of confounding forces that distort the observation’s utility to a varying extent. For the Orbiting Carbon Observatory-2 (OCO-2)...
Briefs: Sensors/Data Acquisition
Advanced Rapid Imaging and Analysis for Earthquakes
Advanced Rapid Imaging and Analysis for Earthquakes (ARIA-EQ) will be the first coordinated effort to automate geodetic imaging capabilities so they can be used for hazard response. The innovation is an automatic geodetic imaging data system that is the foundation for an operational hazard...
Briefs: Sensors/Data Acquisition
Saliva is an easily accessible body fluid containing important biological markers of physiological regulation in the body. The ability to use saliva to monitor the health and...
Briefs: Sensors/Data Acquisition
Cryogenic Propellant Feed System Analytical Tool
The Propellant Feed System Analytical Tool (PFSAT) predicts heat leak based on insulation type, installation technique, line supports, penetrations, and instrumentation. It also determines the optimum orifice diameter for an optional thermodynamic vent system (TVS) to counteract heat leak into the...
Briefs: Electronics & Computers
Radiation-Hardened, High-Voltage, Quad-Channel Amplifier
Aradiation-hard, 130-Volt, 100-KHz capable, quad-channel operational amplifier with corresponding power supply and 6th-order Bessel filter circuitry has been designed, fabricated, and successfully tested. To control two-axis microelectromechanical systems (MEMS)-based mirrors, a differential...
Briefs: Electronics & Computers
Microwave spectroscopy is an invaluable tool for studying the structure, dynamics, and even the handedness of gas phase species. In...
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