Results 1 to 10 of about 12,166,029 (160)
Airfoil aerodynamic performance prediction using machine learning and surrogate modeling. [PDF]
HeliyonIn recent times, machine learning algorithms have gained significant traction in addressing aerodynamic challenges. These algorithms prove invaluable for predicting the aerodynamic performance, specifically the Lift-to-Drag ratio of airfoil datasets ...
Teimourian A +5 more
europepmc +2 more sources
Tandem-wing interactions on aerodynamic performance inspired by dragonfly hovering. [PDF]
R Soc Open Sci, 2021 Dragonflies possess two pairs of wings and the interactions between forewing (FW) and hindwing (HW) play an important role in dragonfly flight. The effects of tandem-wing (TW) interactions on the aerodynamic performance of dragonfly hovering have been ...
Peng L, Zheng M, Pan T, Su G, Li Q.
europepmc +2 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 +2 more sources
Effect of Ducted Multi-Propeller Configuration on Aerodynamic Performance in Quadrotor Drone
Drones, 2021 Motivated by a bioinspired optimal aerodynamic design of a multi-propeller configuration, here we propose a ducted multi-propeller design to explore the improvement of lift force production and FM efficiency in quadrotor drones through optimizing the ...
exaly +2 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 +2 more sources
Preparation and Evaluation of Inhalable Microparticles with Improved Aerodynamic Performance and Dispersibility Using L-Leucine and Hot-Melt Extrusion [PDF]
PharmaceuticsDry-powder inhalers (DPIs) are valued for their stability but formulating them is challenging due to powder aggregation and limited flowability, which affects drug delivery and uniformity. In this study, the incorporation of L-leucine (LEU) into hot-melt
Jin-Hyuk Jeong +7 more
doaj +2 more sources
Pedigree Aerodynamic Shape Design of High-Speed Trains [PDF]
Journal of Applied Fluid Mechanics, 2022 The aerodynamic performance of high-speed trains is closely related to their head shape. As each train set has its own modelling system, the aerodynamic shape design of head type of a high-speed train must follow a pedigree modelling approach.
P. Ji, Z. L. Feng, S. L. Liao
doaj +1 more source
Effects of low and high frequency actuation on aerodynamic performance of a supercritical airfoil
Frontiers of Mechanical Engineering, 2023 The main objective of this study is to investigate the effects of low and high frequency actuation in improving the aerodynamic performance of the supercritical airfoil with the approach of using it in a high-lift or flight control device.
Soheila Abdolahipour
semanticscholar +1 more source
Mathematical and Computer Modelling of Dynamical Systems, 2023 The influence of the powered effect on the aerodynamic performance of the blended-wing-body (BWB) takeoff configuration is analysed in this study by solving the three-dimensional Reynolds-averaged Navier–Stokes equation on a multiblock structured grid ...
Gang Yu, Dong Li, Yuling Duan
doaj +1 more source
Influence of blade maximum thickness on airfoil performance with varied leading edge erosion rate
Frontiers in Energy Research, 2023 In this study, the effect of different blade shapes on the aerodynamic performance of NACA series airfoils under a wide variety of working conditions at Reynolds number Re = 700,000 was explored.
Jinjing Sun +3 more
doaj +1 more source