Results 1 to 10 of about 142,039 (311)

AXIAL FAN BEARING SYSTEM VIBRATION ANALYSIS

open access: yesJournal 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
doaj   +2 more sources

Experimental study on variable frequency control and air leakage control of multi-fan combination in subway tunnels [PDF]

open access: yesScientific Reports
In centralized smoke exhaust emergency ventilation systems for metro tunnels, axial supply fans are often located far from the tunnel exit due to complex terrain constraints.
Guo Ying   +4 more
doaj   +2 more sources

Modeling a Large Air-Cooled Condenser [PDF]

open access: yesMATEC Web of Conferences, 2021
This study reports on a modeling strategy for large Air-Cooled Condensers (ACCs). A large 64-fan ACC was modeled under various crosswind conditions that investigated the ACC’s specific axial flow fan configuration.
Louw D.L., Meyer C.J., van der Spuy S.J.
doaj   +1 more source

Experimental study of the parameter effects on the flow and noise characteristics for a contra-rotating axial fan

open access: yesFrontiers in Physics, 2023
Introduction: In the present paper, experiments for a contra-rotating axial fan have been conducted to investigate the influences of the fan parameters including axial distance, blade number, blade pattern and blade thickness on the performance and noise
Yanjie Zhao   +4 more
doaj   +1 more source

Formation of an air jet by a fan installation with pneumatic disk sprayer [PDF]

open access: yesE3S Web of Conferences, 2021
The article presents the theoretical background, in particular, the developed mathematical models describing the technological processes of air-jet formation and the influence of the wind wheel on changes in the axial velocities of the air jet, as well ...
Afanasiy Lee   +2 more
doaj   +1 more source

Analysis on influence of self-fan cooling motor on fan aerodynamics

open access: yesXibei Gongye Daxue Xuebao, 2023
With the development of multi electric/all electric aircraft, the degree of aircraft secondary energy electrification is becoming higher and higher. As the core component of the electrical system, the motor presents the trend of small volume and high ...
ZHU Lei   +5 more
doaj   +1 more source

EFFECT OF THE SOLIDITY ON THE AERODYNAMIC LOADING OF THE AXIAL FAN

open access: yesАвіаційно-космічна техніка та технологія, 2020
The main requirements that apply to axial fans and axial compressors of aircraft gas turbine engines include minimum dimensions and weight; high aerodynamic load; high coefficient of performance; wide range of steady work; high reliability.
Екатерина Викторовна Дорошенко   +2 more
doaj   +1 more source

Energy Efficiency Optimization Design of a Forward-Swept Axial Flow Fan for Heat Pump

open access: yesFrontiers in Energy Research, 2021
As one of the key components of the heat pump system, compared to that of a conventional axial fan, the blade tip area of a forward-swept axial fan is much larger than its blade root, which is the main noise source of the fan and also has an important ...
Ke Yang   +9 more
doaj   +1 more source

The best efficiency point of an axial fan at low-pressure conditions

open access: yesAdvances in Mechanical Engineering, 2021
In the current work, the objective is to determine the best efficiency point (BEP) of an axial fan using CFD. Analyzing the performance of the fan based upon the parameters chosen can lead to the optimal design of an axial flow fan for aerospace ...
Jose J Corona   +4 more
doaj   +1 more source

Influence of axial spacing on stall development of FBCDZ-10-No20 mode contra-rotating fan

open access: yesMeitan 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
doaj   +1 more source

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