[HTML][HTML] Airfoils optimization based on deep reinforcement learning to improve the aerodynamic performance of rotors

J Liu, R Chen, J Lou, H Wu, Y You, Z Chen - Aerospace Science and …, 2023 - Elsevier
Airfoil optimization is the key to improving the aerodynamic performance of a rotor. However,
conventional optimization approaches cannot modify the airfoil shape intelligently in the way …

[HTML][HTML] Electric propulsion system sizing methodology for an agriculture multicopter

NA Vu, DK Dang, T Le Dinh - Aerospace science and technology, 2019 - Elsevier
Using a suitable propulsion system for Drones capable of obtaining desired performance is
one of the primary goals for designing electric multicopters. Choosing the right components …

[HTML][HTML] 翼型研究的历史, 现状与未来发展

韩忠华, 高正红, 宋文萍, 夏露 - 空气动力学学报, 2021 - html.rhhz.net
“翼型” 俗称翼剖面或叶剖面, 是飞机机翼及尾翼, 导弹翼/舵面, 直升机旋翼, 螺旋桨,
风力机叶片等外形设计的基本元素和气动力的“基因”, 也是影响综合气动性能的核心因素之一 …

Multifidelity aerodynamic optimization of a helicopter rotor blade

J Bailly, D Bailly - AIAA Journal, 2019 - arc.aiaa.org
A multifidelity optimization technique is applied to the design of a helicopter rotor blade to
improve its performance in forward flight. This optimization technique is based on a …

Topologically assisted optimization for rotor design

T Wang, Y Yang, X Chen, P Li, A Iollo… - Physics of …, 2023 - pubs.aip.org
We develop and apply a novel shape optimization exemplified for a two-blade rotor with
respect to the figure of merit. This topologically assisted optimization contains two steps …

[HTML][HTML] Aerodynamic performance optimization of a UAV's airfoil at low-Reynolds number and transonic flow under the Martian carbon dioxide atmosphere

Y Zhao, J Liu, D Li, C Liu, X Fu, H Wang - Acta Astronautica, 2024 - Elsevier
Unmanned aerial vehicles (UAV) on Mars operate in a thin atmosphere of carbon dioxide,
where the flow Reynolds number and local sound velocity are significantly reduced …

[HTML][HTML] Multiobjective optimization of a staggered-rotor octocopter design based on a surrogate model

H Zhu, D Li, H Nie, X Wei, Y Wei - Aerospace Science and Technology, 2023 - Elsevier
When designing a novel double-layer staggered-rotor octocopter with improved
aerodynamic performance, the aerodynamic performance and structural parameters will …

Improving variable-fidelity modelling by exploring global design space and radial basis function networks for aerofoil design

M Tyan, NV Nguyen, JW Lee - Engineering Optimization, 2015 - Taylor & Francis
The global variable-fidelity modelling (GVFM) method presented in this article extends the
original variable-complexity modelling (VCM) algorithm that uses a low-fidelity and scaling …

[HTML][HTML] Comprehensive optimization of aerodynamic noise and radar stealth for helicopter rotor based on Pareto solution

Z Zhou, J Huang, M Yi - Aerospace Science and Technology, 2018 - Elsevier
To reduce the aerodynamic noise and radar cross section (RCS) of the helicopter rotor
without sacrificing its aerodynamic characteristic, a comprehensive optimization method …

Simultaneous swept anhedral helicopter blade tip shape and control-system design

F Sal - Aircraft Engineering and Aerospace Technology, 2022 - emerald.com
Simultaneous swept anhedral helicopter blade tip shape and control-system design | Emerald
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