Results 21 to 30 of about 142,039 (311)

Numerical simulation and experimental research on the aerodynamic performance of large marine axial flow fan with a perforated blade

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2018
In this study, some of the optimal parameters for a new-style marine axial flow fan are defined by using numerical simulation and experimental tests with a large marine axial flow fan, based on the analysis of the blade perforation’s influences on its ...
Xinglin Yang   +3 more
doaj   +1 more source

Strength Analysis of a Ducted Axial Fan Blade [PDF]

open access: yesProblemy Mechatroniki, 2018
This paper presents a numerical strength analysis of a ducted axial fan blade. Ducted axial fans are a large group of fluid-flow machines. The analysis was designed to determine the causes of cyclic failures of a ventilation unit.
Marek ROŚKOWICZ   +5 more
doaj   +1 more source

The Influence of a Blade-Guiding Fin on the Pneumatic Performance of an Axial-Flow Cooling Fan

open access: yesMachines, 2023
An axial-flow cooling fan was taken as the research object in this paper, and a certain number of simulation models with different blade-guiding fin shapes were established. The methods of computational fluid dynamics (CFD), circumferential vorticity (CV)
Hengtao Shu, Haizhou Chen
doaj   +1 more source

Cost effective combined axial fan and throttling valve control of ventilation rate [PDF]

open access: yes, 2004
This paper is concerned with Proportional-Integral-Plus (PIP) control of ventilation rate in mechanically ventilated agricultural buildings. In particular, it develops a unique fan and throttling valve control system for a 22m3 test chamber, representing
Berckmans, D.   +5 more
core   +1 more source

Development of a Performance-Based Design Technique for an Axial-Flow Fan Unit Using Airfoil Cascades Based on the Blade Strip Theory

open access: yesApplied Sciences
Axial-flow fans are widely used as cooling fans in the outdoor units of split-type air conditioners. The design of an axial-flow fan blade involves stacking several airfoils that can be differently designed for each spanwise section. However, the complex
Seo-Yoon Ryu   +3 more
doaj   +1 more source

CONSTRUCŢIA VENTILATOARELOR CE ECHIPEAZĂ MAŞINILE PENTRU TRATAMENTE FITOSANITARE UTILIZATE ÎN HORTICULTURĂ

open access: yesAgricultura, 2008
The fans of the spraying machines are playing and important role in assuring the quality of the phytosanitary treatments. A study upon the fans construction and performances is made in the present paper. There are considered the main fan types: axial and
Livia Naghiu
doaj   +1 more source

CFD analysis and optimization of axial flow fans

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization
The axial fan plays a vital role in the safe production of the mine, and in this paper, a mine axial flow ventilator is designed through numerical simulation to meet the demand of air exchange inside and outside of the mine, so as to maintain the oxygen ...
Liu Renhui   +9 more
doaj   +1 more source

Numerical Investigation of Acoustics Performance of Low- Pressure Ducted Axial Fan by Using Different Turbulence Models

open access: yesITM Web of Conferences, 2018
In this article, capacity and acoustics parameters of low pressure ducted axial fan is numerically investigated with Realizable k-epsilon, k-w SST and DES turbulence models by using computational fluid dynamics software. One slice of six bladed axial fan
Bacak Aykut, Pinarbasi Ali
doaj   +1 more source

Active Turbulence Grid-Controlled Inflow Turbulence and Replication of Heat Exchanger Flow Fields in Fan Applications

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2023
A novel active turbulence grid of the Institute of Fluid Mechanics at FAU Erlangen-Nuremberg is introduced. The focus of this grid is not on basic investigations of fluid mechanics, as is usually the case with active turbulence grids, but the generation ...
Felix Czwielong, Stefan Becker
doaj   +1 more source

Passive Blowing Strategy to Enhance Aerodynamic Performance and Noise of a Hollow-bladed Axial Fan: An Experimental Study [PDF]

open access: yesJournal of Applied Fluid Mechanics
This 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

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