Results 21 to 30 of about 558,955 (240)

Research on Aerodynamic Characteristics of Low-speed AerodynamicConfiguration of BWB Analog with and without Ducted Fan

open access: yesHangkong gongcheng jinzhan, 2018
With the development of aviation aircraft, the research on new aerodynamic configuration design has become the focus of power country in aviation. The actuator disk model applied in ducted fan based on self-developed “TRIsonic Platform”(TRIP 3.0) is ...
Yang Xiaochuan   +4 more
doaj   +1 more source

Strength Analysis of a Ducted Axial Fan Blade [PDF]

open access: yesProblemy Mechatroniki, 2018
This paper presents a numerical strength analysis of a ducted axial fan blade. Ducted axial fans are a large group of fluid-flow machines. The analysis was designed to determine the causes of cyclic failures of a ventilation unit.
Marek ROŚKOWICZ   +5 more
doaj   +1 more source

Modeling and control of a novel facade cleaning robot with four-ducted fan drive

open access: yesInternational Journal of Advanced Robotic Systems, 2021
With the development of modern cities, the demand for cleaning glass curtain walls in urban skyscrapers is increasing, and therefore, many researches on facade cleaning robots have been carried out in the past few decades.
Xiao-Peng Li, Xin Wang, Bin Feng
doaj   +1 more source

Evaluation of the thrust of a ducted coaxial propfan

open access: yesАвіаційно-космічна техніка та технологія, 2022
One of the basic requirements for existing and future aircraft engines is high specific power, low specific fuel consumption, and low noise level. The current work evaluates the thrust of a ducted coaxial propfan.
Vjacheslav Usenko   +2 more
doaj   +1 more source

Aerodynamic Characteristics of Helicopter with Ducted Fan Tail Rotor in Hover under Low-Speed Crosswind

open access: yesInternational Journal of Aerospace Engineering, 2020
The tail rotor of a helicopter operating under low-speed crosswind undergoes highly complex flow due to the interaction between the main rotor, fuselage, and tail rotor system.
Nahyeon Roh, Sejong Oh, Donghun Park
doaj   +1 more source

Thermal Benefits of a Cooling Guide Vane for an Electrical Machine in an Electric Ducted Fan

open access: yesAerospace, 2022
Equipped with a distributed electric propulsion system, eVTOL is the primary vehicle for future urban air mobility. The electrical machine determines the weight of the distributed electric propulsion system, and the cooling capability determines the ...
Xuanyang Hu   +5 more
doaj   +1 more source

Ducted fan propulsion system study for ONAerospace eVTOL [PDF]

open access: yes, 2023
In recent years, the relentless advance of climate change forces society to adapt to more sustainable modes of transportation. In a not so distant future, urban transport is envisioned to expand to the skies with new innovative electric Vertical Take-Off
De Vehí Perich, Miquel Carlos
core   +2 more sources

Performance Evaluation of an H-VTOL Aircraft with Distributed Electric Propulsion and Ducted-Fans Using MIL Simulation

open access: yesMachines, 2023
This paper deals with the problem of increasing the energy efficiency of a hybrid vertical take-off and landing aircraft. To this end, an innovative aerial vehicle was developed, featuring a distributed electrical propulsion system with ducted-fan rotors.
Juan Manuel Bustamante Alarcon   +5 more
doaj   +1 more source

Model Predictive Control Technique for Ducted Fan Aerial Vehicles Using Physics-Informed Machine Learning

open access: yesDrones, 2022
This paper proposes a model predictive control (MPC) approach for ducted fan aerial robots using physics-informed machine learning (ML), where the task is to fully exploit the capabilities of the predictive control design with an accurate dynamic model ...
Tayyab Manzoor   +3 more
doaj   +1 more source

Aeroacoustic Simulations of an Axial Fan with Modelled Turbulent Inflow Conditions

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2023
In applications, the acoustics of fans can differ significantly from the measurements of the standalone fan. This is due to disturbed inflow conditions, for example, caused by a heat exchanger upstream of an axial fan.
Philipp Dietrich, Marc Schneider
doaj   +1 more source

Home - About - Disclaimer - Privacy