Results 11 to 20 of about 188,936 (312)

Rotor Interaction in the Annulus Billiard [PDF]

open access: yesJournal of Statistical Physics, 2004
Introducing the rotor interaction in the integrable system of the annulus billiard produces a variety of dynamical phenomena, from integrability to ergodicity.
Bálint, Péter, Troubetzkoy, Serge
openaire   +3 more sources

Analysis of Rotor/Propeller/Fuselage Interaction Characteristics of High-speed Helicopter

open access: yesHangkong gongcheng jinzhan, 2020
The study on aerodynamic characteristics of high-speed helicopter with double-thrust-propeller can provide the reference for the design and aerodynamic optimization of high-speed helicopter.
SHEN Suiyuan   +4 more
doaj   +1 more source

Method to Predict Outputs of Two-Dimensional VAWT Rotors by Using Wake Model Mimicking the CFD-Created Flow Field

open access: yesEnergies, 2022
Recently, wind farms consisting of clusters of closely spaced vertical-axis wind turbines (VAWTs) have attracted the interest of many people. In this study, a method using a wake model to predict the flow field and the output power of each rotor in a ...
Jirarote Buranarote   +3 more
doaj   +1 more source

Simulation of Rotor-Rotor Interaction and Noise of an Axial Counter-Rotating Fan [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
The Counter-Rotating Fan (CRF) offers higher aerodynamic performance, in terms of pressure head and aerodynamic efficiency, compared to the single rotor fan, thus making it an attractive solution for equipment cooling and ventilation of mines and tunnels.
I. Beldjilali, A. Ghenaiet, L. Adjlout
doaj   +1 more source

Numerical simulation of unsteady aerodynamic interactions of contra-rotating axial fan. [PDF]

open access: yesPLoS ONE, 2018
This paper describes the investigations performed to better understand unsteady effect that develop in a contra-rotating axial fan. More specifically, this study focuses on rotor-rotor interactions effects on unsteady characteristic and blade aerodynamic
Hengxuan Luan   +2 more
doaj   +1 more source

Effect of Process Parameters of Mixing on Physicomechanical and Rheological Properties of Rubber Compound [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2008
In this research work with the aid of Tagouchi experimental design and rawing of interaction curves with Minitab software, the best rotor speed and dump temperature of mixing for physico-mechanical and rheological properties of the rubber compound with ...
M. Shiva, M. Ahmadi, R. Yazdani
doaj   +1 more source

Investigating the Level of Fidelity of an Actuator Line Model in Predicting Loads and Deflections of Rotating Blades under Uniform Free-Stream Flow

open access: yesApplied Sciences, 2021
In this paper, the accuracy of an in-house Actuator Line (AL) model is tested on aeroelastic simulations of a Wind Turbine (WT) rotor and a helicopter Main Rotor (MR) under uniform free-stream flow.
Nikos Spyropoulos   +3 more
doaj   +1 more source

Computational studies of the rotors aerodynamic characteristics of multirotor drones

open access: yesНаучный вестник МГТУ ГА, 2021
The article presents the results of computational studies of aerodynamic characteristics for unmanned lift-generating multi-rotor drones of various configurations. The distinctive features of rotors flow were characterized.
K. G. Kosushkin   +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

Unsteady loads for coaxial rotors in forward flight computed using a vortex particle method [PDF]

open access: yes, 2018
Recent advances in coaxial rotor design have shown benefits of this configuration. Nevertheless, issues related to rotor-head drag, aerodynamic performance, wake interference, and vibration should also be considered.
Barakos, George   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy