Energy Science & Engineering, 2023 Indoor air conditioning systems play a crucial role in regulating the environmental conditions of enclosed spaces. The noise generated by such systems can significantly impact human comfort.
Jian Lei +4 more
doaj +1 more source
Effect of Volute-Tongue Clearance on the Aerodynamic Performance and Noise of Multi-Wing Centrifugal Fan for Air Conditioning [PDF]
Journal of Applied Fluid Mechanics, 2023 Multi-wing centrifugal fans are wildly used in the central air-conditioning. The influence of dimensionless clearance of the volute-tongue on aerodynamic performance and noise is studied by numerical simulation and experimental tests in this paper.
Y. Wei +5 more
doaj +1 more source
Reduction of aerodynamic noise of single-inlet centrifugal fan with inclined volute tongue
Measurement + 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.
Wenyue Hao +7 more
doaj +1 more source
Sprayer for chemical treatment of vineyards and orchards [PDF]
E3S Web of Conferences, 2021 The authors have developed an improved sprayer for two-way chemical treatment of vineyards and orchards. The research aims to justify the design scheme and parameters of the sprayer.
Xalilov Muxtor, Yusupov Rustam
doaj +1 more source
Surrogate Model on the Extension Operation Range of an Isolated Centrifugal Fan [PDF]
Journal of Applied Fluid MechanicsIsolated centrifugal fans are widely utilized in air conditioning system and their performance is closely related to the energy consumption of the system. The purpose of this work is to enlarge the fan operation range without reducing peak efficiency. An
Z. Li, P. Luo, M. Zhu, Y. Liu, Z. Chen
doaj +1 more source
On fan-shaped cold MHD winds from Keplerian accretion discs [PDF]
, 2012 We investigate under which conditions cold, fan-shaped winds can be steadily launched from thin (Keplerian) accretion discs. Such winds are magneto-centrifugal winds launched from a thin annulus in the disc, along open magnetic field lines that fan out ...
Casse, Fabien, Ferreira, Jonathan
core +3 more sources
Design of a low-noise aeroacoustic wind tunnel facility at Brunel University [PDF]
, 2014 This paper represents the design principle of a quiet, low turbulence and moderately high speed aeroacoustic wind tunnel which was recently commissioned at Brunel University.
Bradshaw P. +9 more
core +1 more source
Prediction and Reduction of Aerodynamic Noise of the Multiblade Centrifugal Fan
Advances in Mechanical Engineering, 2014 An aerodynamic and aeroacoustic investigation of the multiblade centrifugal fan is proposed in this paper, and a hybrid technique of combining flow field calculation and acoustic analysis is applied to solve the aeroacoustic problem of multiblade ...
Shuiqing Zhou, Jun Wang
doaj +1 more source
Profile Scaling of Miniature Centrifugal Fans
Heat Transfer Engineering, 2009 This paper addresses issues that relate to downscaling the height of centrifugal fans for application in low profile technologies, such as the cooling of portable power electronics. The parameters studied include flow rate, pressure rise, and power consumption characteristics.
Walsh, P, Egan, V, Grimes, R, Walsh, E
openaire +1 more source
Passive Blowing Strategy to Enhance Aerodynamic Performance and Noise of a Hollow-bladed Axial Fan: An Experimental Study [PDF]
Journal of Applied Fluid MechanicsThis research explores the efficacy of a passive control strategy designed to enhance the performance of an axial hollow fan. This investigation uses a dedicated experimental setup to evaluate various aspects of the fan's performance, including ...
A. Bouanik +5 more
doaj +1 more source