Zobrazeno 1 - 10
of 476
pro vyhledávání: '"ducted fan"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 10, Pp 2181-2191 (2024)
Flying cars, or vertical takeoff and landing (VTOL) aircraft, are revolutionary devices that can address traffic congestion and help build a three-dimensional transportation system in the future. Flight safety could deteriorate in actual flight becau
Externí odkaz:
https://doaj.org/article/36012442a09a426a9de8b48109304c82
Publikováno v:
Advances in Aerodynamics, Vol 6, Iss 1, Pp 1-21 (2024)
Abstract Ducted-fan drones are expected to become the main drone configuration in the future due to their high efficiency and minimal noise. When drones operate in confined spaces, significant proximity effects may interfere with the aerodynamic perf
Externí odkaz:
https://doaj.org/article/7fce01ca07af406787eb0c1cdb4441cb
Autor:
Yu ZHOU, Weizheng CHEN
Publikováno v:
水下无人系统学报, Vol 31, Iss 6, Pp 942-948 (2023)
In recent years, ducted fans, as a kind of propeller with excellent performance, have been widely used in various vertical take-off and landing(VTOL) unmanned aerial vehicles(UAVs). However, there is less research on its ground effect in China. There
Externí odkaz:
https://doaj.org/article/dc472fe57d4748088303d08021064bdc
Design and Experiment on Heat Dissipation Structures of Ducted Fan Motor for Flying Electric Vehicle
Publikováno v:
World Electric Vehicle Journal, Vol 15, Iss 6, p 274 (2024)
Ducted fan motors play a crucial role in promoting various applications of flying electric vehicles. In ducted fan motor systems, motor performance affects the speed of the fan, the flow field of the fan affects the thermal field of the motor, and th
Externí odkaz:
https://doaj.org/article/a2b99f85b9f84ee482f92986e160c9cd
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 17, Iss 1 (2023)
Ducted fans have been widely used in unmanned aerial vehicles (UAVs) for various operations due to the high efficiency, low noise and high safety. Proximity effects caused by the confined environment, including the ceiling effect (CE), bring signific
Externí odkaz:
https://doaj.org/article/80c62d8ff1c84eb7abdf3857b07466b9
Publikováno v:
IEEE Access, Vol 11, Pp 4486-4500 (2023)
The inspection of high ceilings or surfaces is important to ensure the quality and safety of infrastructure; however, the approach adopted by people or conventional robots is rather limited. Kinodynamic constraints (simultaneous kinematic and dynamic
Externí odkaz:
https://doaj.org/article/19080f5ab765456db4e36088ed407d53
Autor:
Sergey Yu. Dudnikov, Mikhail P. Bulat, Leonid O. Vokin, Pavel N. Kuznetsov, Pavel S. Chernyshov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 6, Pp 1226-1236 (2022)
The problem of simulation of efficient ducted fan type propulsors is considered. From experience of operation of twin blades in fantails of helicopters, it is known that this configuration creates less noise compared to a uniform arrangement of the b
Externí odkaz:
https://doaj.org/article/00820de6a0aa4baf863013fb059f39b4
Autor:
Jan Klesa
Publikováno v:
Acta Polytechnica, Vol 62, Iss 5, Pp 549-557 (2022)
This paper is focused on the preliminary design of an electric fan for light-sport aircraft. Usage of electric motors brings some advantages compared to piston engines, especially small size and the independence of power on shaft RPM. A 1D compressib
Externí odkaz:
https://doaj.org/article/cb1040f5f36a41bf904e259014256140
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