[HTML][HTML] 飞机尾流观测研究进展

潘卫军, 栾天, 康贤彪, 张庆宇, 任杰, 张强 - 空气动力学学报, 2019 - html.rhhz.net
飞机尾流观测试验是研究飞机尾流演化耗散行为的基础. 受到不同大气环境的影响, 针对巡航,
进近等阶段的飞机尾流观测具备一定的挑战性. 本文综述了以风洞和拖曳水池为主的飞机尾流 …

Experimental study on Ahmed's body drag coefficient for different yaw angles

FJ Bello-Millán, T Mäkelä, L Parras, C Del Pino… - Journal of Wind …, 2016 - Elsevier
We present experiments conducted in a wind tunnel to characterize yaw angle effects on the
drag force acting on the Ahmed body with slant angle of 25°. The main contribution of this …

A bioinspired separated flow wing provides turbulence resilience and aerodynamic efficiency for miniature drones

M Di Luca, S Mintchev, Y Su, E Shaw, K Breuer - Science Robotics, 2020 - science.org
Small-scale drones have enough sensing and computing power to find use across a
growing number of applications. However, flying in the low–Reynolds number regime …

Velocity data-based determination of airfoil characteristics with circulation and fluid momentum change methods, including a control surface size independence test

K Olasek, M Karczewski - Experiments in Fluids, 2021 - Springer
An experimental method for determination of aerodynamic loads is presented. It is based on
velocity vector field results obtained with Particle Image Velocimetry (PIV). As PIV is an …

Preset angle, aspect ratio, and stall representations effects on the aeroelastic responses of small-scale wind turbine blades

W Yossri, SB Ayed, A Abdelkefi - International Journal of Non-Linear …, 2022 - Elsevier
This work provides an inclusive nonlinear aeroelastic study on the effects of horizontal axis
Small-Scale Wind Turbines (SSWTs)'s preset angle of attack as well as aspect ratio on its …

A design methodology for quiet and long endurance MAV rotors

R Serré, H Fournier… - International Journal of …, 2019 - journals.sagepub.com
Over the last 10 years, the use of micro air vehicles has rapidly covered a broad range of
civilian and military applications. While most missions require optimizing the endurance, a …

Lift enhancement by a flapped trailing edge at low Reynolds number: A frequency response approach

HM Shehata, MY Zakaria, CA Woolsey… - Journal of Fluids and …, 2022 - Elsevier
The capability of an oscillating trailing edge flap to enhance the lift generated by a rigid
NACA-0012 airfoil at 2. 1× 1 0 4 Reynolds number is investigated. Experiments are …

A simple model for gliding and low-amplitude flapping flight of a bio-inspired UAV

A Martín-Alcántara, P Grau… - 2019 International …, 2019 - ieeexplore.ieee.org
Inspired by the efficiency of soaring birds in crossing very large distances with barely flap
their wings, this work presents a simple model of UAV that, adopting the capabilities of these …

On the lift curve slope for rectangular flat plate wings at moderate Reynolds number

P Gutierrez-Castillo, J Aguilar-Cabello… - Journal of Wind …, 2021 - Elsevier
The lift coefficient for a flat plate at low angles of attack is obtained experimentally for various
aspect ratios (AR​=​ 1, 2, 4, 8) and moderate Reynolds numbers (Re​=​ 40​×​ 10 3 to …

A complementary numerical and experimental study of the influence of Reynolds number on theoretical models for wingtip vortices

JH García-Ortiz, A Domínguez-Vázquez… - Computers & …, 2019 - Elsevier
We present a detailed analysis of experimental and numerical results for the flow of trailing
vortices behind a NACA0012 wing model. Particular attention is paid to a specific value of …