Results 11 to 20 of about 623,270 (237)

A numerical and experimental analysis of flow in a centrifugal pump [PDF]

open access: yes, 2002
Computational fluid dynamics (CFD) analysis has been used to solve the unsteady three-dimensional viscous flow in the entire impeller and volute casing of a centrifugal pump.
Scanlon, T.J.   +4 more
core   +3 more sources

Cause analysis and suppression method of the vortex at the impeller outlet of the multiblade centrifugal fan

open access: yesEnergy 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

The effect of flow coefficient on the design of miniature centrifugal impeller [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Chan, WK   +2 more
core   +5 more sources

Effect of Volute-Tongue Clearance on the Aerodynamic Performance and Noise of Multi-Wing Centrifugal Fan for Air Conditioning [PDF]

open access: yesJournal 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

Performance of a centrifugal pump running in inverse mode [PDF]

open access: yes, 2004
This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads.
Parrondo, J   +4 more
core   +4 more sources

Numerical simulation of gas-dynamic processes in the centrifugal radial fan of seeding machines

open access: yesMachinery & Energetics, 2022
Increasing the efficiency of crop production, where a significant place is occupied by row crops (such as corn, sunflower, soy, sorghum, sugar beet, etc.), is inextricably linked with the introduction of energy- and resourcesaving technologies to ensure ...
V. Melnik, A. Zelensky, A. Zelensky
doaj   +1 more source

Surrogate Model on the Extension Operation Range of an Isolated Centrifugal Fan [PDF]

open access: yesJournal of Applied Fluid Mechanics
Isolated 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

Sprayer for chemical treatment of vineyards and orchards [PDF]

open access: yesE3S 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

Prediction and Reduction of Aerodynamic Noise of the Multiblade Centrifugal Fan

open access: yesAdvances 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

Numerical Investigations on the Transient Performance of a Centrifugal Pump [PDF]

open access: yes
Centrifugal pumps are an integral part of plants used in process industries. The flow structure within a centrifugal pump is very complex due to the interaction between the rotating impeller and the geometric features around it.
Asim, Taimoor, Mishra, Rakesh
core   +3 more sources

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