Results 241 to 250 of about 5,447,507 (295)
Some of the next articles are maybe not open access.
Design and assessment of octocopter drones with improved aerodynamic efficiency and performance
, 2020This paper summarizes the development of a hybrid approach that integrates textbook methods, computational fluid dynamics (CFD), and verification experiments to optimize the aerodynamic efficiency and performance of octocopter drones, which can operate ...
He Zhu +4 more
semanticscholar +1 more source
Efficient optimization of integrated aerodynamic–structural design
International Journal for Numerical Methods in Engineering, 1989AbstractThe introduction of composite materials is having a profound effect on the design process. Because these materials permit the designer to tailor material properties to improve structural, aerodynamic and acoustic performance, they require a more integrated multidisciplinary design process.
Haftka, R. T. +4 more
openaire +2 more sources
Effect of Chordwise Slots on Aerodynamic Efficiency
2018 AIAA Aerospace Sciences Meeting, 2018Sidaard Gunasekaran, Tim Gerham
openaire +2 more sources
Aerodynamic efficiency and performance enhancement of fixed-wing UAVs
, 2020The present work aims in providing guidelines for the aerodynamic and performance optimization of fixed-wing Unmanned Aerial Vehicles (UAVs) that operate in the low-speed subsonic regime.
P. Panagiotou, K. Yakinthos
semanticscholar +1 more source
Efficient Newton-Krylov Solver for Aerodynamic Computations
AIAA Journal, 1998An efficient inexact Newton-Krylov algorithm is presented for the computation of steady two-dimensional aerodynamic flows. The algorithm uses the preconditioned, restarted generalized minimal residual method in matrix-free form to solve the linear system arising at each Newton iteration.
Alberto Pueyo, David W. Zingg
openaire +1 more source
Vocal Efficiency and Aerodynamic Aspects in Voice Disorders
Annals of Otology, Rhinology & Laryngology, 1985The variation of vocal efficiency for the mean values for normal subjects was investigated in patients with laryngeal disease. The relative contributions of mean flow rate and intrapulmonic pressure to the variation of efficiency were explored to explain aerodynamic aspects in voice disorders.
S, Tanaka, W J, Gould
openaire +2 more sources
Energy cost and efficiency of riding aerodynamic bicycles
European Journal of Applied Physiology and Occupational Physiology, 1993Traction resistance (Rt) was determined by towing two cyclists in fully dropped posture on bicycles with an aerodynamic frame with lenticular wheels (AL), an aerodynamic frame with traditional wheels (AT), or a traditional frame with lenticular wheels (TL) in calm air on a flat wooden track at constant speed (8.6-14.6 m.s-1).
FERRETTI, Guido +5 more
openaire +5 more sources
Development of an efficient aerodynamic shape optimization framework
Mathematics and Computers in Simulation, 2009zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jong-Eun Kim +5 more
openaire +2 more sources
Evaluation of traditional and slotted winglets for enhanced aerodynamic efficiency
The Physics of FluidsMinimizing drag is a critical focus in aviation, significantly influencing energy efficiency and performance. Lift-induced drag accounts for approximately 40% of total drag during cruise flight and 80%–90% during takeoff phase.
D. P. Babu +3 more
semanticscholar +1 more source
Journal of Mines, Metals and Fuels
This study explores the aerodynamic properties of different aerofoil shapes and their performance under varying flow conditions to identify the most efficient design based on lift-to-drag ratio, stall behaviour, and overall aerodynamic efficiency.
A. Kurhade +7 more
semanticscholar +1 more source
This study explores the aerodynamic properties of different aerofoil shapes and their performance under varying flow conditions to identify the most efficient design based on lift-to-drag ratio, stall behaviour, and overall aerodynamic efficiency.
A. Kurhade +7 more
semanticscholar +1 more source