Results 11 to 20 of about 16,581 (251)

Augmenting the Standard Operating Procedures of Health and Air Quality Stakeholders With NASA Resources

open access: yesGeoHealth, 2021
The combination of air quality (AQ) data from satellites and low‐cost sensor systems, along with output from AQ models, have the potential to augment high‐quality, regulatory‐grade data in countries with in situ monitoring networks and provide much ...
Bryan N. Duncan   +8 more
doaj   +1 more source

Satellite and In Situ Observations for Advancing Global Earth Surface Modelling: A Review

open access: yesRemote Sensing, 2018
In this paper, we review the use of satellite-based remote sensing in combination with in situ data to inform Earth surface modelling. This involves verification and optimization methods that can handle both random and systematic errors and result in ...
Gianpaolo Balsamo   +44 more
doaj   +1 more source

Three-Dimensional Simulation of New Car Profile

open access: yesFluids, 2020
Aerodynamics has identified remarkable development in the improvement of fuel efficiency, reducing wind noise and increasing engine cooling. Moving body profile controls fuel the consumption rate.
Hamdy Mansour, Rola Afify, Omar Kassem
doaj   +1 more source

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   +1 more source

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   +1 more source

The relationship between mental workload and nurse stress levels in hospitals

open access: yesHealthcare in Low-resource Settings, 2023
High mental workload implies significant mental resources and can lead to increased cognitive stress and fatigue. Nurses have the responsibility of managing a wide range of nursing care tasks, which frequently involve addressing anxiety, handling ...
Zahid Fikri   +4 more
doaj   +1 more source

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   +1 more source

Airborne Transducer Integrity under Operational Environment for Structural Health Monitoring

open access: yesSensors, 2016
This paper investigates the robustness of permanently mounted transducers used in airborne structural health monitoring systems, when exposed to the operational environment.
Mohammad Saleh Salmanpour   +2 more
doaj   +1 more source

Uniaxial attitude control of uncrewed aerial vehicle with thrust vectoring under model variations by deep reinforcement learning and domain randomization

open access: yesROBOMECH Journal, 2023
The application of neural networks for nonlinear control has been actively studied in the field of aeronautics. Successful techniques have been demonstrated to achieve improved control performance in simulation using deep-reinforcement learning.
Atsushi Osedo   +2 more
doaj   +1 more source

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