Modelling and researching of forced spatial vibrations of axial fans [PDF]
MATEC Web of Conferences, 2019 This work presents a mechanic - mathematical matrix modelling of the forced spatial vibrations of an axial fan. The axial fan is considered as a mechanical system consisting of three rigid bodies and with 18 degrees of freedom. The differential equations
Slavov Valentin, Vukov Georgi
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Analysis of the Free Flow Generated by a Two-Blade Axial Fan [PDF]
CientíficaThis paper analyses experimentally the flow generated by a two blades axial fan to determine the position in which the average induced axial velocity is maximum and the radius of the flow contraction (wake) in that position.
Tiburcio Fernández Roque +5 more
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Design Optimization Method and Application of High-Efficiency and Variable-Pitch Axial Flow Fan [PDF]
E3S Web of ConferencesThis paper describes servo motor–driven variable-pitch axial flow fan, and its optimal design method, process and application results for improving the efficiency of the variable-pitch fan.
Lee Chan, Yang Sang Ho, Lee Sang Yeol
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AXIAL FAN BEARING SYSTEM VIBRATION ANALYSIS
Journal of Engineering, 2023 Rotating fan shaft system was investigated experimentally and theoretically to study its dynamic performance. The type of oil used for the bearing was taken in consideration during the experimental program .Three types of oil were used, SAE 40, SAE 50 ...
Assim H Yousif +2 more
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Utjecaj radijalnog i aksijalnog razrmaka na emitiranu buku i performance ventilatora
Promet (Zagreb), 2012 Among all auxilimy units of the air cooled diesel engine acooling fan is the noisiest. One of the noise generation mechanismsis the blade interaction with the vortices occurring in theradial and axial clearances of the fan due to the pressure ...
Mirko Čudina
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Investigation of the turbulent swirl flow in pipe generated by axial fans using PIV and LDA methods [PDF]
Theoretical and Applied Mechanics, 2015 In this paper is presented experimental investigation of the turbulent swirl flow in pipe generated by axial fans. Two various models of industrial axial fans are used.
Čantrak Đorđe S. +2 more
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High-efficiency Axial Flow Fan Design by Combining Through-flow Modeling, Optimization Algorithm and Computational Fluid Dynamics Simulation [PDF]
Journal of Applied Fluid MechanicsIn this study, a high-efficiency axial fan design method and process are proposed by integrating the controlled blading design (CBD) method for the spanwise design of blade angles, the through-flow analysis method incorporating three-dimensional flow ...
C. Lee +3 more
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Numerical simulation analysis of cotton conveying channel entrance of foreign fiber sorter
Xi'an Gongcheng Daxue xuebao, 2021 In order to explore the effects of different entrance structures on the flow speed distribution in the cotton conveying channel of the foreign fiber sorter, and improve the stability of cotton flow, numerical simulation analysis method was adopted, and ...
Boyi JIANG +3 more
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Axial Fan Performance under the Influence of a Uniform Ambient Flow Field
International Journal of Rotating Machinery, 2018 In their application to air-cooled condensers, axial fans are often subject to the detrimental influence of ambient flow fields at their inlet or outlet.
Till Heinemann, Stefan Becker
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Applied SciencesAxial-flow fans are widely used as cooling fans in the outdoor units of split-type air conditioners. The design of an axial-flow fan blade involves stacking several airfoils that can be differently designed for each spanwise section. However, the complex
Seo-Yoon Ryu +3 more
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