Results 1 to 10 of about 8,583,864 (289)

Aeronautics Application of Direct-Detection Doppler Wind Lidar: An Adapted Design Based on a Fringe-Imaging Michelson Interferometer as Spectral Analyzer

open access: yesRemote Sensing, 2022
We report on the development of a novel direct-detection Doppler wind lidar (DD-DWL) within the strong requirements of an aeronautic feed-forward control application for gust load alleviation (GLA).
Patrick Vrancken, Jonas Herbst
doaj   +2 more sources

Customized Nanostructured Ceramics via Microphase Separation 3D Printing

open access: yesAdvanced Science, 2023
To date, the restricted capability to fabricate ceramics with independently tailored nano‐ and macroscopic features has hindered their implementation in a wide range of crucial technological areas, including aeronautics, defense, and microelectronics. In
Valentin A. Bobrin   +6 more
doaj   +2 more sources

Alloys for Aeronautic Applications: State of the Art and Perspectives

open access: yesMetals, 2019
In recent years, a great effort has been devoted to developing a new generation of materials for aeronautic applications. The driving force behind this effort is the reduction of costs, by extending the service life of aircraft parts (structural and ...
Antonio Gloria   +3 more
doaj   +2 more sources

Drag Reduction by Laminar Flow Control

open access: yesEnergies, 2018
The Energy System Transition in Aviation research project of the Aeronautics Research Center Niedersachsen (NFL) searches for potentially game-changing technologies to reduce the carbon footprint of aviation by promoting and enabling new propulsion and ...
Nils Beck   +5 more
doaj   +2 more sources

Forecasting Chemical Characteristics of Aircraft Fuel Using Artificial Neural Networks [PDF]

open access: yesJournal of Aerospace Technology and Management, 2021
Aircraft fuels, called jet propulsion, are used in several areas of activity within aeronautics. There are jet fuels based on kerosene, that is, those obtained commercially, and there are synthetics produced in the laboratory.
Felipe Valverde Rocha   +2 more
doaj   +2 more sources

Two global data sets of daily fire emission injection heights since 2003 [PDF]

open access: yesAtmospheric Chemistry and Physics, 2017
The Global Fire Assimilation System (GFAS) assimilates fire radiative power (FRP) observations from satellite-based sensors to produce daily estimates of biomass burning emissions.
S. Rémy   +10 more
doaj   +1 more source

Artificial light at night and social vulnerability: An environmental justice analysis in the U.S. 2012–2019

open access: yesEnvironment International, 2023
Background: Artificial Light at Night (ALAN) is an emerging health risk factor that has been linked to a wide range of adverse health effects. Recent study suggested that disadvantaged neighborhoods may be exposed to higher levels of ALAN.
Qian Xiao   +6 more
doaj   +1 more source

Development and Test of a Fringe-Imaging Direct-Detection Doppler Wind Lidar for Aeronautics

open access: yesEPJ Web of Conferences, 2020
DLR currently investigates the use of Doppler wind lidar as sensor within feedforward gust alleviation control loops on fast-flying fixed-wing aircraft.
P. Vrancken, J. Herbst
semanticscholar   +1 more source

Reinforced quantum-behaved particle swarm-optimized neural network for cross-sectional distortion prediction of novel variable-diameter-die-formed metal bent tubes

open access: yesJournal of Computational Design and Engineering, 2023
With lightweight, high strength, and high performance, metal bent tubes have attracted increasing applications in aeronautics. However, the growing demand for customized tubular parts has led to a significant increase in the cost of conventional tube ...
Caicheng Wang   +4 more
semanticscholar   +1 more source

Air Quality in the Northern Colorado Front Range Metro Area: The Front Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ)

open access: yesJournal of Geophysical Research: Atmospheres, 2020
We describe the resources used, the deployment strategy, and the outcomes of the Front Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ) experiment, which took place in the summer of 2014 in the Front Range of Colorado.
F. Flocke   +6 more
semanticscholar   +1 more source

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