Influence of axial spacing on stall development of FBCDZ-10-No20 mode contra-rotating fan
Meitan kexue jishu, 2023 The rotating fan is prone to instability such as stall and even surge when operating at low flow rates. In order to study the influence of axial spacings on the stall inception and its development and propagation process of a contra-rotating fan , a ...
Qingguang CHEN +3 more
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, 2021 To enhance the thermal performance and relieve the impact of crosswind on the super large-scale natural draft wet cooling towers (SLWCTs), based on our previous research, through the three-dimensional numerical simulation of the SLWCT equipped with an ...
Deying Zhang +4 more
semanticscholar +1 more source
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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Computational aeroacoustics of the EAA benchmark case of an axial fan
Acta Acustica, 2020 This contribution benchmarks the aeroacoustic workflow of the perturbed convective wave equation and the Ffowcs Williams and Hawkings analogy in Farassat’s 1A version for a low-pressure axial fan.
S. Schoder +2 more
semanticscholar +1 more source
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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