Results 1 to 10 of about 558,955 (240)
Multi-Objective Design of a Distributed Ducted Fan System
Aerospace, 2022 The distributed propulsion system applied to the vertical take-off and landing aircraft must maintain the high performance in both hover and cruise flight.
Jiahao Guo
exaly +4 more sources
Numerical Prediction of Unsteady Aerodynamics of a Ducted Fan Unmanned Aerial Vehicle in Hovering
Aerospace, 2022 Recently, ducted fan unmanned aerial vehicles (UAVs) have attracted considerable attention due to their potential for application in both civil and military missions.
Shuanghou Deng
exaly +4 more sources
Aerodynamic Characteristics of a Ducted Fan Hovering and Transition in Ground Effect
Aerospace, 2022 Ducted fans installed on vertical takeoff and landing vehicles experience significant ground effect during takeoff and landing. The aerodynamic characteristics of a ducted fan hovering and transitioning in the ground effect are studied using numerical ...
Zhiqiang Wan
exaly +3 more sources
An Efficient Blade Design Method of a Ducted Fan Coupled with the CFD Modification
Aerospace, 2022 In order to improve the design accuracy of the blade design method of a ducted fan based on the blade element momentum theory, the design was modified by the CFD calculation with higher accuracy to propose an integrated and efficient design method for ...
Jiahao Guo
exaly +3 more sources
Aerospace, 2022 The distributed electric propulsion (DEP) eVTOL aircraft has gained rising interest for its promising potential in high-speed cruise compared with conventional tilt-rotor configuration.
Jingcheng Fu
exaly +3 more sources
Safe Reinforcement Learning for Transition Control of Ducted-Fan UAVs
Drones, 2023 Ducted-fan tail-sitter unmanned aerial vehicles (UAVs) provide versatility and unique benefits, attracting significant attention in various applications.
Wenjie Zhao, Yanbo Fu, Liu Liu
exaly +3 more sources
CFD Study of an Annular-Ducted Fan Lift System for VTOL Aircraft
Aerospace, 2015 The present study aimed at assessing a novel annular-ducted fan lift system for VTOL aircraft through computational fluid dynamics (CFD) simulations. The power and lift efficiency of the lift fan system in hover mode, the lift and drag in transition mode,
Yun Jiang
exaly +3 more sources
Aerodynamic analysis and control for a novel coaxial ducted fan aerial robot in ground effect
International Journal of Advanced Robotic Systems, 2020 Modeling and control for a novel coaxial ducted fan aerial robot in-ground-effect is presented in this article. Based on experiments using the ducted fan bench test, the fitting curve of the ground effect thrust of the ducted fan aerial robot at ...
Bin Xu, Tianfu Ai
exaly +2 more sources
Applied Sciences (Switzerland), 2015 The aerodynamic parameters of ducted fan micro aerial vehicles (MAVs) are difficult and expensive to precisely measure and are, therefore, not available in most cases. Furthermore, the actuator dynamics with risks of potentially destabilizing the overall
Shouzhao Sheng, Chenwu Sun
exaly +3 more sources
Flight and Interaction Control of an Innovative Ducted Fan Aerial Manipulator [PDF]
Sensors, 2020 Bin Xu, Tianfu Ai
exaly +2 more sources