Results 51 to 60 of about 4,154,170 (239)
Design and Experiment on Heat Dissipation Structures of Ducted Fan Motor for Flying Electric Vehicle
World Electric Vehicle JournalDucted 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 the ...
Ye Li +4 more
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Albi II – a new generation development [PDF]
MATEC Web of Conferences, 2019 The UL-39 Albi university's all-composite ultralight aircraft project, powered by a piston engine and ducted fan, continues at the Department of Aerospace Engineering at Faculty of Mechanical Engineering CTU in Prague and its partners ZALL JIHLAVAN ...
Theiner Robert, Brabec Jiří
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Determination of fan design parameters for light-sport aircraft
Acta Polytechnica, 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.
Jan Klesa
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Processes, 2020 The aerodynamic performance of a counter-rotating ducted fan in hover mode is numerically analyzed for different rotor spacings and duct diffusion angles.
Wookyoung Kim +2 more
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Inversion of spinning sound fields [PDF]
, 2008 A method is presented for the reconstruction of rotating monopole source distributions using acoustic pressures measured on a sideline parallel to the source axis.
Magalhães M. B. S. +4 more
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Ducted Fan Shape Optimization Based CFD Code [PDF]
, 2015 Bakalářská práce identifikuje tvarové parametry sacího kanálu, které ovlivňují průtok sacím kanálem. Pomocí numerické simulace zkoumá a vyhodnocuje charakteristiky a proudové pole řešených sacích kanálů.Bachelor Thesis determines shape parameters of a ...
Devera Jakub
core
Three-dimensional structure of tip vortex in a half-ducted propeller fan
Nihon Kikai Gakkai ronbunshu, 2014 The tip vortex has an important role on the aerodynamic performance and noise of half-ducted propeller fans. The present paper provides better understanding on the three-dimensional structure of the tip vortex in a half-ducted propeller fan, aiming at ...
Kazuya KUSANO +2 more
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Ducted Fan Designs Lead to Potential New Vehicles [PDF]
, 2010 In 1994, aerospace engineers Rob Bulaga and Mike Moshier formed Trek Aerospace Inc., based in Folsom, California, to develop personal air vehicles using a novel ducted fan design.
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Development of an Ultralight with a Ducted Fan [PDF]
, 2017 This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. Several problems with the design of a non-traditional aircraft of this kind are mentioned, e.g.
Brabec , Jiří, Helmich , Martin
core
A measuring stand for a ducted fan aircraft propulsion unit
EPJ Web of Conferences, 2014 The UL-39 ultra-light aircraft which is being developed by the Department of Aerospace Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, is equipped with an unconventional ducted fan propulsion unit.
Hlaváček David
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