Results 21 to 30 of about 789,979 (292)

Numerical study on aerodynamics of banked wing in ground effect

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2016
Unlike conventional airplane, a WIG craft experiences righting moment and adverse yaw moment in banked turning in ground effect. Numerical simulations are carried out to study the aerodynamics of banked wing in ground effect.
Qing Jia, Wei Yang, Zhigang Yang
doaj   +1 more source

Aerodynamic improvement of a delta wing in combination with leading edge flaps

open access: yesTheoretical and Applied Mechanics Letters, 2017
Recently, various studies of micro air vehicle (MAV) and unmanned air vehicle (UAV) have been reported from wide range points of view. The aim of this study is to research the aerodynamic improvement of delta wing in low Reynold’s number region to ...
Tadateru Ishide, Mao Itazawa
doaj   +1 more source

Numerical Investigation of the Aerodynamic Properties of a Flying Wing Configuration [PDF]

open access: yes, 2012
The numerical investigations of a generic UCAV configuration are presented. These investigations are part of the DLR internal project UCAV-2010. Compressible speed conditions are considered and presented.
Andreas Schutte   +5 more
core   +1 more source

Aerodynamics of Reverse Delta Wing

open access: yesInternational Journal for Research in Applied Science and Engineering Technology, 2021
Delta wings are mostly used in supersonic jets and fighter aircrafts. A delta wing is naturally stable and produces vortex lift, so the flow separation can be made into increasing lift. This augmented lift comes at an expense of high drag. A reverse delta wing is nothing but an inverted delta wing, the forward swept wings were inspired from this design.
openaire   +1 more source

IMPROVING THE AERODYNAMICS OF A TRANSPORT AIRCRAFT WING USING A DELTA PLANFORM WINGTIP LEADING EDGE EXTENSION

open access: yesНаучный вестник МГТУ ГА, 2018
The article explores the possibility of improving the aerodynamic properties of a supercritical-airfoil wing, typical for a modern passenger aircraft, using delta planform passive devices of large relative areas, installed along the leading edge at the ...
D. Gueraiche, S. А. Popov
doaj   +1 more source

Implicit Large-Eddy Simulations of Wall-Bounded Turbulent Flows. [PDF]

open access: yes, 2007
The paper presents application of Implicit Large Eddy Simulation(ILES)to wall- bounded turbulent flows. A characteristics-based scheme in conjunction with total variation diminishing(TVD)Runge-Kutta time stepping and slope-limiting variants,for the com ...
Malick, Zeshan   +3 more
core   +4 more sources

From Swept Wings to Forward-Swept Wings: A Review of Planform Evolution and Auxiliary Aerodynamic Surfaces [PDF]

open access: yesMATEC Web of Conferences
To meet increasing flight speeds and diverse mission requirements, the wing planform of fixed-wing aircraft has continuously evolved. Different wing configurations have inherent shortcomings that require auxiliary devices to compensate.
Shen Mo
doaj   +1 more source

Unsteady CFD Analysis of a Delta Wing Fighter Configuration by Delayed Detached Eddy Simulation [PDF]

open access: yes, 2008
While the flow physics of generic delta wings with sharp leading edges are largely understood, realistic configurations with rounded leading edges and canards are still of scientific and industrial interest.
Leicher, S., Lüdeke, H.
core  

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

open access: yesAdvanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone   +11 more
wiley   +1 more source

Optimizing NiMo Electrocatalyst Coatings for Hydrogen Evolution in Alkaline Electrolysis With The Machine Learning‐Guided Autonomous Platform CatBot

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a closed‐loop optimization workflow integrating CatBot, an automated synthesis and testing system, to discover NiMo hydrogen‐evolution catalysts. CatBot synthesised and evaluated 228 unique samples, identifying the best performing catalysts for transfer to nickel‐foam electrodes. The best candidate is highly active, reaching 1 Acm−2${
Paolo Vincenzo Freiesleben de Blasio   +7 more
wiley   +1 more source

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