Results 1 to 10 of about 4,915 (262)
Agriculture (Switzerland), 2023 To enhance the working efficiency and aerodynamic performance of the centrifugal fan in the air system of a cotton picker, a new type of centrifugal fan blade was designed by extracting the mid-arc section from the prototype blade and integrating an ...
Wenping Shao +5 more
exaly +3 more sources
Aerodynamic noise characteristics of a centrifugal fan in high-altitude environments. [PDF]
PLoS ONEIn high-altitude areas, the air is thin and the atmospheric pressure is low, which can affect the performance of centrifugal fans and aerodynamic noise.
Xue Liu, Jian Liu
doaj +2 more sources
Reduction of aerodynamic noise of single-inlet centrifugal fan with inclined volute tongue
Measurement and Control, 2020 The effect of inclined volute tongue on the aerodynamic noise and performance of a centrifugal fan was investigated by experimental test in this article.
Zuchao Zhu, Zhengdao Wang, Yikun Wei
exaly +2 more sources
Noise Prediction of Centrifugal Fan Based on Improved Nenral Network [PDF]
E3S Web of Conferences, 2021 In order to solve the problems that the prediction accuracy of the traditional centrifugal fan is low and the cost is high, a noise prediction model for centrifugal fan based on improved particle swarm optimization (IPSO) optimized BP neural network was ...
Long Bo +3 more
doaj +1 more source
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 +4 more
doaj +1 more source
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 +3 more
doaj +1 more source
Effect of Gurney flap Height and Mounting Position on the Performance of a Centrifugal Fan [PDF]
Journal of Applied Fluid Mechanics, 2022 The effect of Gurney flap height and mounting position on the head coefficient of a centrifugal fan at different Reynolds numbers is investigated experimentally.
M. Suresh, N. Sitaram
doaj +1 more source
Volute Optimization Based on Self-Adaption Kriging Surrogate Model
International Journal of Chemical Engineering, 2022 Optimizing the volute performance can effectively improve the efficiency of a centrifugal fan by changing the volute geometric parameter, so the self-adaption Kriging surrogate model is used to optimize the volute geometric parameter.
Fannian Meng, Ziqi Zhang, Liangwen Wang
doaj +1 more source
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 +5 more
doaj +1 more source
Acoustics, 2020 Due to the fact that legal and market requirements are becoming stricter, fan noise reduction, in addition to energy efficiency, represent a challenge for fan product designers.
Rebecca Schäfer, Martin Böhle
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