Results 1 to 10 of about 265 (116)

Flow Control Mechanism of Blade Tip Bionic Grooves and Their Influence on Aerodynamic Performance and Noise of Multi-Blade Centrifugal Fan

Energies, 2022
To improve the aerodynamic performance and reduce the noise of multi-blade centrifugal fans used in air conditioners, a bionic groove structure was introduced into the blade tip design, inspired by the drag reduction characteristics of mantis shrimp.
Ziqian Xu, Xiaomin Liu, Yang Liu, Wanxiang Qin, Guang Xi   +4 more
doaj   +4 more sources

Airfoil Design and Flow Analysis of a Multi-Blade Centrifugal Fan: An Experimental and Simulation Study

Applied Sciences
To overcome the technical challenges of the multi-blade centrifugal fan, such as low efficiency and insufficient total pressure, the blades of the fan were optimally designed in this study.
Haonan Yin, Hanqing Zhao, Yiping Li, Jie Zhao, Kai Zhang   +4 more
doaj   +4 more sources

Optimization of Multi-Blade Centrifugal Fan Blade Design for Ventilation and Air-Conditioning System Based on Disturbance CST Function

Applied Sciences, 2021
The multi-blade centrifugal fan is commonly used in modern building ventilation and air-conditioning system. However, it does not readily satisfy the increasing demand for energy saving, high efficiency or noise reduction.
Shuiqing Zhou, Ke Yang, Weitao Zhang, Kai Zhang, Chihu Wang, Weiya Jin   +5 more
doaj   +3 more sources

Aerodynamics Optimization of Multi-Blade Centrifugal Fan Based on Extreme Learning Machine Surrogate Model and Particle Swarm Optimization Algorithm

Metals, 2023
The centrifugal fan is widely used in converting mechanical energy to aerodynamic energy. To improve the pressure of the multi-blade centrifugal fan used in an air purifier, an optimization process was proposed based on extreme learning machine (ELM ...
Fannian Meng, Liujie Wang, Wuyi Ming, Hongxiang Zhang   +3 more
doaj   +3 more sources

Optimization of centrifugal fan for oolong tea shaking machine based on Kriging model and multi-objective particle swarm algorithm [PDF]

Scientific Reports
This study optimized the air volume and efficiency of the centrifugal fan in the shaking machine for oolong tea, aiming to enhance its aerodynamic performance and efficiency.
Chengzhi Ruan, Yiwei Chen, Luxuan Zheng, Bo Guo, Jiayou Chen, Jun Yang, Siling Chen   +6 more
doaj   +2 more sources

Investigation on Vortex Characteristics of a Multi-Blade Centrifugal Fan near Volute Outlet Region [PDF]

Processes, 2020
The origins and effects of the complex vortex structure near the volute outlet of a multi-blade centrifugal fan are investigated in this paper. Due to the wide blade and short blade channel, the airflow maintains a large radial velocity during the blade channel.
Yikun Wei, Zhehong Li, Wei Yikun
exaly   +2 more sources

Effects of Inclined Volute Tongue Structure on the Internal Complex Flow and Aerodynamic Performance of the Multi-Blade Centrifugal Fan [PDF]

Journal of Applied Fluid Mechanics, 2022
Numerical simulation was used to investigate the effect of an inclined volute tongue on the complex flow characteristics and the aerodynamic performance of multi-blade centrifugal fans.
Y. Wei, J. Wang, J. Xu, Z. Wang, J. Luo, H. Yang, Z. Zhu, W. Zhang   +7 more
doaj   +2 more sources

Optimizing Bionic Blades for Multi-blade Centrifugal Fans: Asymmetric Thickness Inspired by Carangiform Fish [PDF]

Journal of Applied Fluid Mechanics
Multi-blade centrifugal fans find wide application across various fields, with their internal airflow exhibiting complex turbulent behavior in three dimensions.
Y. Liu, Q Yuan
doaj   +2 more sources

Optimization Design of Multi-Blade Centrifugal Fan Based on Variable Weight PSO-BP Prediction Model and Multi-Objective Beluga Optimization Algorithm

Applied Sciences
Multi-blade centrifugal fans are the main workhorse of automotive air conditioners, and the performance of these fans affects riding comfort. This article proposes a prediction model and a multi-objective optimization algorithm and applies them to the ...
Wenyang Jin, Jiaxuan Wang, Junyu Li, Ren Xu, Ming Zhou, Qibai Huang   +5 more
doaj   +3 more sources

Flow characteristics analysis of an ultrathin forward-curved multi-blade centrifugal fan

Engineering Applications of Computational Fluid Mechanics
The ultrathin centrifugal fan, widely utilised in compact electronic devices such as laptops, is characterised by numerous forward-curved blades that generate high static pressure and flow rates.
Weiwei Liao, Yijun Mao, Xiaobing Luo
doaj   +2 more sources