Advances in wind tunnel experimental investigations of train–bridge systems
X He, S Zou - Tunnelling and Underground Space Technology, 2021 - Elsevier
Wind tunnel tests have been widely applied in aerodynamic investigations owing to their
unique advantages. However, it is difficult to theoretically establish a simplified symmetry or …
unique advantages. However, it is difficult to theoretically establish a simplified symmetry or …
Review on wind resistance for quadrotor UAVs: Modeling and controller design
J Shen, B Wang, BM Chen, R Bu, B Jin - Unmanned Systems, 2023 - World Scientific
Micro-Unmanned Air Vehicles (Micro-UAVs), especially quadrotor UAVs, have been widely
used in recent years because of their simple structure and convenient operation. However …
used in recent years because of their simple structure and convenient operation. However …
[HTML][HTML] Experimental investigation on turbulence effects on unsteady aerodynamics performances of two horizontally placed small-size UAV rotors
Wind turbulent disturbance is one of the critical challenges to flying unmanned aerial
vehicles (UAVs); especially when the size, weight, and power on board such aircraft are …
vehicles (UAVs); especially when the size, weight, and power on board such aircraft are …
Real-time prediction framework for frequency-modulated multirotor noise
J Ko, J Jeong, H Cho, S Lee - Physics of Fluids, 2022 - pubs.aip.org
A comprehensive multirotor noise assessment framework is developed to predict the noise
of rotational-speed-controlled rotor configurations in real-time. The key objectives are to …
of rotational-speed-controlled rotor configurations in real-time. The key objectives are to …
Quantification of wake interaction effects on multi-rotor configurations in forward flight
J Ko, S Lee - Aerospace Science and Technology, 2023 - Elsevier
This study aims to illustrate the correlations of performance and wake dynamics in multi-rotor
configurations and explain the induced circulation (IC), the quantification factor for wake …
configurations and explain the induced circulation (IC), the quantification factor for wake …
Aerodynamic interactions of quadrotor configurations
D Barcelos, A Kolaei, G Bramesfeld - Journal of Aircraft, 2020 - arc.aiaa.org
An advanced potential flow method is used to study the aerodynamic interactions between
small rotors of quadrotor configurations and the impact on the overall flight performance. The …
small rotors of quadrotor configurations and the impact on the overall flight performance. The …
Quad-rotor flight simulation in realistic atmospheric conditions
In trajectory planning and control design for unmanned air vehicles, highly simplified models
are typically used to represent the vehicle dynamics and the operating environment. The …
are typically used to represent the vehicle dynamics and the operating environment. The …
Preliminary design of multirotor UAVs with tilted-rotors for improved disturbance rejection capability
The ability of multirotor UAVs to hold position accurately in a turbulent wind environment is
important for a variety of commercial applications. In this work, a tilted-rotor configuration …
important for a variety of commercial applications. In this work, a tilted-rotor configuration …
[PDF][PDF] Impact of Rotor–Rotor and Rotor–Body Aerodynamic Interactions on Quadrotor Vehicle Performance
S Herz, A Atte, D Seth, J Rauleder… - VFS 79th Annual …, 2023 - researchgate.net
Rotor–rotor and rotor–body interactions can have a first-order impact on multirotor vehicle
performance throughout the flight envelope. Identification of these performance impacts has …
performance throughout the flight envelope. Identification of these performance impacts has …
[PDF][PDF] Flight Test Measurement of Quadrotor Performance at Varying Sideslip Angles
This research investigated the effects of the aerodynamic interaction of the rotor-rotor and
the rotor-body as the vehicle transitions between the plus (+) and cross configurations (×) …
the rotor-body as the vehicle transitions between the plus (+) and cross configurations (×) …