Keyword: Aerodynamics

Briefs: Aerospace
Improvements to the Functional Beamforming Formula

The purpose of this work is to improve the signal-to-noise ratio of acoustic measurements made in a wind tunnel with a microphone phased array. The functional beamforming method is improved to compensate for effects of acoustic propagation through turbulence, and to correct for inaccurate...

Briefs: Materials

Aerofoam is a unique foam composite insulation with improved thermal and acoustic insulation properties. The novelty of this invention comes from combining a polymer foam with a unique inorganic filler in a way that maximizes...

Briefs: Test & Measurement

A key goal of NASA’s aeronautics research is to help the aircraft industry transition to low-carbon propulsion. Many potential power architectures for electric...

Briefs: Materials

Future-generation materials for use on space transportation vehicles require substantial improvements in material properties leading to increased...

Briefs: Materials

NASA’s Langley Research Center has developed composite elastic skins for covering shape-changing (morphable) structures. These skins are intended especially for use on advanced aircraft that change shapes in...

Briefs: Aerospace

NASA’s Langley Research Center has created novel flow effector technology for separation control and enhanced mixing. The technology allows for variable shape control of aircraft structure through...

Briefs: Mechanical & Fluid Systems
Eddy-Current-Minimizing Flow Plug for Use in Flow Conditioning and Flow Metering

Innovators at NASA’s Marshall Space Flight Center have developed a suite of prototype fluid plug technologies with an array of capabilities for fluid flow metering, mixing, and conditioning. Each innovation within this suite is based upon a core technology that...

Briefs: Mechanical & Fluid Systems

NASA’s Langley Research Center develops innovative technologies to control fluid flow in ways that will ultimately result in improved performance and fuel efficiency....

Articles: Aerospace

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft...

Briefs: Mechanical & Fluid Systems
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for applications in high-strength/low-weight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. NASA has developed a method for cooling a device,...

Briefs: Mechanical & Fluid Systems
Transformable and Reconfigurable Entry, Descent, and Landing Systems and Methods

The Adaptable, Deployable Entry Placement Technology (ADEPT) concept is a mechanically deployable, semi-rigid aeroshell entry system capable of achieving low ballistic coefficient during entry for planetary or Earth return missions. The decelerator system offers a...

Briefs: Materials

NASA has developed a class of low-density, flexible ablators that can be fabricated into heat-shields capable of being packaged, stowed, and deployed in space. The key characteristics of this new...

Briefs: Aerospace
The Integrated Minimum Drag Solution: New Wing Design Exponentially Increases Total Aircraft Efficiency

Innovators at NASA’s Armstrong Flight Research Center are experimenting with a new wing design that removes adverse yaw and dramatically increases aircraft efficiency by reducing drag. The technology has the potential to significantly...

Briefs: Manufacturing & Prototyping
Lattice Structures Coating Concept for Efficient Thermal Linking Beds

Conventional air revitalization technology for removal of CO2, moisture, and trace organic contaminants usually involves a packed bed of sorbent pellets that can be regenerated using a concept similar to that of pressure swing adsorption (PSA). Additional heat input...

Briefs: Mechanical & Fluid Systems
Self-Latching Piezocomposite Actuator

NASA’s Langley Research Center has developed a self-latching piezocomposite actuator. The self-latching nature of this invention allows for piezo actuators that do not require constant power draw. Among other applications, the invention is well suited for use in aerodynamic control surfaces and engine...

Briefs: Test & Measurement

NASA’s Langley Research Center has developed a system to detect and locate atmospheric clear air turbulence (CAT) by means of a ground-based infrasonic array to serve as an early warning...

Briefs: Test & Measurement
Flight Test System for Accurately Predicting Flutter

Traditional methods of flight flutter testing analyze system parameters such as damping levels that vary with flight conditions to monitor aircraft stability. In the past, the actual flight envelope developed for aircraft operation was essentially determined only by flight testing. The edges...

Briefs: Aerospace
Achieving a Realistic Model of Flight Dynamics and Aeroelasticity of Flexible Aircraft

Researchers at NASA’s Armstrong Flight Research Center have developed a method that allows for the translation of frequency-domain aerodynamics from commercial code (e.g., ZAERO™ or NASTRAN®) to a time-domain formulation that can be easily understood by...

Briefs: Robotics, Automation & Control

NASA’s Langley Research Center has developed three techniques and systems to calibrate and validate...

Briefs: Materials
Aromatic Thermosetting coPolyester (ATSP) Composites for High-Temperature and Cryogenic Applications

Advanced composite materials processable by cost-effective manufacturing play an important role in developing lightweight structures for future space and planetary exploration missions. With the growing demand for improved performance in the...

Briefs: Medical
Probiotic Therapy for Astronauts, and During Radiation Therapy

A new method to screen the gastrointestinal (GI) tract for radiation sensitivity and radiation-induced gene damage has a number of applications. This technology could be used to assess radiation susceptibility in individuals, such as astronauts, nuclear reactor workers, those...

Briefs: Software
MATTC Method for Efficient Prediction of Boundary Layer Transition

The objective of the current innovation was to develop a simple but accurate method for predicting boundary layer transition that would include the growth characteristics of laminar boundary layer disturbances while requiring only the pressure distribution over an aerodynamic...

Briefs: Electronics & Computers
Reliability Assessment of CCGA 1752 Advanced Interconnect Kyocera Packages for Extreme Thermal Environments

Ceramic Column Grid Array (CCGA) packages have been increasing in use based on advantages such as high interconnect density, very good thermal and electrical performance, compatibility with standard surface-mount packaging assembly...

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)...

Briefs: Information Technology
Python Turbulence Detection Algorithm (PyTDA)

This software, written in the Python programming language, estimates turbulence from Doppler radar data. It ingests radar data using the Department of Energy’s Py-ART open-source radar software toolkit.

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: Aerospace
Soil Remediation with Plant-Fungal Combinations

This work applies to remediation and restoration of soil contaminated by fuel, polychlorinated biphenyl (PCB) wastes, etc. While there can be a beneficial effect of microbial communities, individual plant-fungus combinations can vary in their efficacy in removing pollutants from the environment....

Briefs: Photonics/Optics
SCaN Optical Link Assessment Tool Version 2

In response to the requirements of the Space-Based Relay Study (SBRS) undertaken by NASA in 2013, as well as the Integrated Radio and Optical Communications (iROC) project being conducted by NASA Glenn Research Center (GRC) beginning in 2012, a calculation procedure was required to rapidly assess the...

Briefs: Medical
Technique for Reversible Permeabilization of Live Cells for Intracellular Delivery of Quantum Dots

Nanomaterials are comparable in size to various biomolecules (1 to 100 nm), and have unique properties such as enhanced electrical conductivity, increased chemical reactivity, and novel optical properties that make them attractive candidates for...