Briefs: Photonics/Optics
Briefs: Sensors/Data Acquisition
Briefs: Photonics/Optics
One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...
Briefs: Imaging
NASA's Langley Research Center has developed an aircraft-based turbulence and vortex detection system. Turbulence and vortices in the front-flight path are very dangerous for...
Articles: Aerospace
Aviation safety is a fundamental concern for all stakeholders. The traveling public demands the highest safety standards, but also wants convenience and reliability at a low price with minimal...
Briefs: Photonics/Optics
This work explored the concept of creating a partially coherent laser beam consisting of an array of spatially overlapping or separated Gaussian beams with possible individual...
Briefs: Physical Sciences
The Holloman High Speed Test Track (HHSTT) facility at Holloman Air Force Base (HAFB), NM, has a test section of 1.8 km that contains an artificial rain field...
Briefs: Physical Sciences
Mixing and Combustion in Turbulent, High-Speed Flows
A collection of reports presents a detailed description of a research program that focused on fundamental investigations of mixing and combustion in turbulent subsonic and supersonic flows like those encountered in high-speed air-breathing aircraft engines. The research included close...
Briefs: Physical Sciences
A three-dimensional (3D) defocusing liquid-crystal-particle thermometry and velocimetry (3DDLCPTV) system has been designed and constructed (but not yet operated) for use in...
Briefs: Physical Sciences
Asystem of scientific instrumentation and data-processing equipment has been assembled for research and education in turbulence, mixing, and chemical reactions (especially combustion) in...
Briefs: Mechanical & Fluid Systems
Theoretical and computational research has yielded some advances in the art of designing active feedforward and feedback controllers to suppress thermal convection and reduce drag (by...
Briefs: Information Technology
In an application of computational fluid dynamics (CFD), flow fields about a slender-bodied finned projectile and the resulting aerodynamic forces and moments on the projectile were...
Briefs: Mechanical & Fluid Systems
AFRL engineers, collaborating with aerospace manufacturers and other Air Force groups, recently demonstrated the first-ever airborne active flow control system when they...
Top Stories
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Autonomous Freight Aircraft Achieves Design/Development Milestones
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Anti-Radiation Guided Missile Completes Successful Live Fire Test
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How to Store Liquid Hydrogen for Zero-Emission Flight
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Army Special Operations Forces Train with Robotic Combat Vehicles
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Airbus’ High-Voltage Battery Technology Prepares for Flight Test
Webcasts
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