Results 51 to 60 of about 8,757,591 (356)
Medium-Scale UAVs: A Practical Control System Considering Aerodynamics Analysis
Drones, 2022 Unmanned aerial vehicles (UAVs) have drawn significant attention from researchers over the last decade due to their wide range of possible uses. Carrying massive payloads concurrent with light UAVs has broadened the aeronautics context, which is feasible
Mohammad Sadeq Ale Isaac +7 more
doaj +1 more source
Investigation of the aerodynamic characteristics of a lifting body in ground proximity [PDF]
, 2016 The use of cambered hull shapes in the next generation of lighter-than-air vehicles to enhance aerodynamic performance, together with optimized take-off manoeuvre profiles, will require a more detailed understanding of ground proximity effects for such
Garry, Kevin P. +2 more
core +1 more source
Aeronautics composite material inspection with a terahertz time-domain spectroscopy system
, 2013 . The usability of pulsed broadband terahertz radiation for the inspection of composite materials from the aeronautics industry is investigated, with the goal of developing a mobile time-domain spectroscopy system that operates in reflection geometry.
F. Ospald +14 more
semanticscholar +1 more source
Comparison of airborne hyperspectral data and EO-1 Hyperion for mineral mapping
IEEE Transactions on Geoscience and Remote Sensing, 2003 Airborne hyperspectral data have been available to researchers since the early 1980s and their use for geologic applications is well documented. The launch of the National Aeronautics and Space Administration Earth Observing 1 Hyperion sensor in November
F. Kruse, J. Boardman, J. Huntington
semanticscholar +1 more source
Frontiers in Marine Science, 2019 Developments in observing system technologies and ocean data assimilation (DA) are symbiotic. New observation types lead to new DA methods and new DA methods, such as coupled DA, can change the value of existing observations or indicate where new ...
Stephen G. Penny +30 more
doaj +1 more source
Evaluating the Rationale for Folding Wing Tips Comparing the Exergy and Breguet Approaches [PDF]
, 2017 The design and development processes for future aircraft aims to address the environmental and efficiency challenges needed to facilitate the engineering of concepts that are far more integrated and require a multidisciplinary approach.
Hayes, D. +2 more
core +1 more source
Environment 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
Flow-Control Effectiveness of Convergent Surface Indentations on an Aerofoil at Low Reynolds Numbers [PDF]
, 2017 Passive flow control on aerofoils has largely been achieved through the use of protrusions such as vane-type vortex generators. Consequently, innovative flow-control concepts should be explored in an effort to improve current component performance ...
Kontis, Konstantinos, Shah, Neel K.
core +1 more source
An Ensemble Mean and Evaluation of Third Generation Global Climate Reanalysis Models
Atmosphere, 2018 We have produced a global ensemble mean of the four third-generation climate reanalysis models for the years 1981–2010. The reanalysis system models used in this study are National Centers for Environmental Prediction (NCEP) Climate Forecast System
Jeffrey D. Auger +4 more
doaj +1 more source
Virtual Integration Platforms (VIP) –A Concept for Integrated and Interdisciplinary Air Transportation Research and Assessment [PDF]
, 2011 The paper descibes a new methodology for a holistic development of air transportation concepts. The Virtual Integration Plattform (VIP) concept is based on an IT tool chain as well as human collaborative methods to deal with complex systems.
Gollnick, Volker +3 more
core +1 more source