Results 21 to 30 of about 149,179 (315)
Study of a Flexible UAV Proprotor [PDF]
, 2013 This paper is concerned with the evaluation of design techniques, both for the propulsive performance and for the structural behavior of a composite flexible proprotor.
Bénard, Emmanuel +5 more
core +2 more sources
Impacts of tires on aerodynamic performance of a Formula Student electric vehicle: A high-resolution three-dimensional Reynolds-averaged Navier–Stokes study [PDF]
AIP AdvancesOptimizing aerodynamic performance is paramount for enhancing the energy efficiency of electric vehicles. Reducing aerodynamic drag directly extends driving range and lowers battery consumption, making aerodynamics a fundamental element in modern ...
Junbiao He +3 more
doaj +1 more source
Aerospace, 2023 To study the influence of the tilt-back design of a vertical tail on its aerodynamic stealth characteristics, an optimization method based on a quantitative weight coefficient and a two-particle search algorithm is presented.
Zeyang Zhou, Jun Huang
doaj +1 more source
Flight Performance and Competitive Displacement of Hummingbirds across Elevational Gradients [PDF]
, 2006 Hummingbirds, with their impressive flight ability and competitive aerial contests, make ideal candidates for applying a mechanistic approach to studying community structure.
Altshuler, Douglas L.
core +1 more source
Numerical Study of the Aerodynamic Effect of Ski Suit Surface Roughness on Ski Jumping Athletes During the Flight Phase [PDF]
Journal of Applied Fluid MechanicsSurface roughness of ski suits can have a significant effect on the aerodynamic performance of ski jumping athletes. Herein, several typical surface roughness configurations are examined through numerical simulations.
K. Liu, Z. Wang, Q. Liu
doaj +1 more source
Estimating Cycling Aerodynamic Performance Using Anthropometric Measures [PDF]
Applied Sciences, 2020 Aerodynamic drag force and projected frontal area (A) are commonly used indicators of aerodynamic cycling efficiency. This study investigated the accuracy of estimating these quantities using easy-to-acquire anthropometric and pose measures. In the first part, computational fluid dynamics (CFD) drag force calculations and A (m2) values from ...
Raman Garimella +6 more
openaire +5 more sources
Energies, 2020 For a wind turbine to extract as much energy as possible from the wind, blade geometry optimization to maximize the aerodynamic performance is important.
Kyoungboo Yang
doaj +1 more source
Surrogate Approaches for Aerodynamic Section Performance Modeling [PDF]
AIAA Journal, 2020 The use of surrogate models (response surface models, curve fits) of various types (radial basis functions, Gaussian process models, neural networks, support vector machines, etc.) is now an accept...
Keane, Andrew, Voutchkov, Ivan
openaire +3 more sources
Shock and Vibration, 2021 Analyzing the propeller aerodynamic performance is of vital importance for research and improvement of unmanned aerial vehicles. This paper presents the design requirements for a propeller for rotorcraft unmanned aerial vehicles and an analysis of a ...
Hang Zhu +5 more
doaj +1 more source
Aerodynamic Performances of Paper Planes
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 2020 Paper plane has a high potential to be upgraded as a Micro Air Vehicle (MAV). Due to its simplicity, paper plane offers easier design option compared to the biological inspired designs as shown in recent MAV development. However, researchers have underestimate and overlook the basic aerodynamic performance induced by these paper planes.
Ismail, Noor Iswadi +4 more
openaire +3 more sources