Cyclonic separation ≈ Cyclonic separation
View article: Multi-objective optimization and comparison of surrogate models for separation performances of cyclone separator based on CFD, RSM, GMDH-neural network, back propagation-ANN and genetic algorithm
Multi-objective optimization and comparison of surrogate models for separation performances of cyclone separator based on CFD, RSM, GMDH-neural network, back propagation-ANN and genetic algorithm Open
Pressure drop (Δp) and collection efficiency (η) are used to evaluate the separation performance of the cyclone separator. In this study, we conducted comparative study of cyclone models using response surface methodology (RSM), back propa…
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CFD Modeling of Gas–Solid Cyclone Separators at Ambient and Elevated Temperatures Open
Gas–solid cyclone separators are widely utilized in many industrial applications and usually involve complex multi-physics of gas–solid flow and heat transfer. In recent years, there has been a progressive interest in the application of co…
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Numerical study of vortex eccentricity in a gas cyclone Open
This paper presents a numerical study of the vortex eccentricity in a gas cyclone and its effect on the performance of the cyclone. The gas flow in the cyclone was modeled as an unsteady flow by the Navier–Stokes equations with the R…
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Effect of the central rod dimensions on the performance of cyclone separators - optimization study Open
The study explored areas related to the effect of installing an additional element in the axis of the cyclone separator (in the form of a rod with a circular cross-section) on its performance. 30 geometrical variants (the variable paramete…
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CFD Simulations of Pressure Drop and Velocity Field in a Cyclone Separator with Central Vortex Stabilization Rod Open
A problem of cyclone separators is the low grade efficiency of small particles. Therefore, a high efficiency cyclone separator has been developed and successfully tested in former work. In this cyclone separator, a vortex stabilizer is use…
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Experimental Investigation of Possibilities to Improve Filtration Efficiency of Tangential Inlet Return Cyclones by Modification of Their Design Open
It has been shown that tangential inlet return cyclones are commonly used for inlet air filtration of off-road vehicle engines. The wear of the engine elements, and thus their durability, is determined by the efficiency and accuracy of the…
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CFD Investigations of Cyclone Separators with Different Cone Heights and Shapes Open
Due to the great achievements in the field of optimization of the design of cyclone separators, non-standard solutions are sought to increase their performance. Therefore, in this study, we consider the impact of different cone and cylinde…
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Effect of Inlet Air Volumetric Flow Rate on the Performance of a Two-Stage Cyclone Separator Open
It is very important to improve the cyclone separator separation efficiency for fine particles. On the basis of the Reynolds stress model (RSM), a new two-stage cyclone separation device is modeled and the model is simulated under six kind…
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Square Cyclone Separator: Performance Analysis Optimization and Operating Condition Variations Using CFD-DPM and Taguchi Method Open
The square cyclone separator is an efficient separation device for high-temperature gas within Circulating Fluidized Bed (CFB) boilers. Additionally, other operating factors such as particle loading and gas velocity are frequently thought …
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Computational and Experimental Analysis of Axial Flow Cyclone Used for Intake Air Filtration in Internal Combustion Engines Open
The properties and advantages of axial flow cyclones are presented; several dozen of them are already widely used as the first stage of inlet air filtration in internal combustion motor vehicle engines, work machines and helicopters. The n…
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Numerical Investigation on Gas-solid Flow in a Circumfluent Cyclone Separator Open
The efficient removal of fine dust from exhaust gas reduces the harm to human health and minimizes material waste. A circumfluent cyclone (CFC) was designed to perform with increased gas-solid separation efficiency and decreased pressure d…
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Design and development of a small-scale biomass downdraft gasifier Open
This study focused on the design and testing of a downdraft gasifier. The gasifier design was based on a combination of the Imbert and stratified models with some modifications. Sizing of the gasifier was done using empirical relations and…
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Numerical analysis on the influence of vortex motion in a reverse Stairmand cyclone separator by using LES model Open
This study aims to analyze the influence of vortex motion in a reverse Stairmand cyclone separator by using LES model. The mathematical analysis indicated that the energy dissipation and the flow characteristics of incompressible fluid are…
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Parametric analysis and optimization of gas-particle flow through axial cyclone separator: A numerical study Open
The separation of particles through an axial swirl tube cyclone separator is numerically investigated using Eulerian-Lagrangian approach by solving Reynolds Averaged Navier-Stokes equations with RNG K-epsilon model as turbulence closure an…
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Design of Cyclone Separator Critical Diameter Model Based on Machine Learning and CFD Open
In this paper, the characteristics of the cyclone separator was analyzed from the Lagrangian perspective for designing the important dependent variables. The neural network network model was developed for predicting the separation performa…
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Measurement of thickness and analysis on flow characteristics of upper swirling liquid film in gas-liquid cylindrical cyclone Open
The gas-liquid cylindrical cyclone (GLCC) is a device used to separate gas from liquid in offshore or subsea oil and gas production systems. The liquid film swirling along the upper cylinder wall in the GLCC is referred to as "upper swirli…
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The Secondary Flows in a Cyclone Separator: A Review Open
A cyclone separator holds significant importance as the primary gas–solid separation apparatus in the industrial sector. Cyclone separators operate based on a fundamental principle, primarily harnessing the centrifugal force produced by th…
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Analysis of the Influence of Vortexbinder Dimension on Cyclone Separator Performance in Biomass Gasification System Open
Producer gas produced from biomass gasification still contains particulate ash. It is cleaned by using a cyclone separator. Cyclone separator capability to 'capture' ash is characterized by its performance known as collection efficiency. O…
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Application of Gas Cyclone-Liquid Jet Absorption Separator for Flue-Gas Desulfurization Open
A gas cyclone–liquid jet absorption separator integrates the functions of cyclone separation, liquid jet atomization, and absorption separation. This study employed this device to conduct a wet flue-gas desulfurization experiment on a gas …
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Supersonic Separation of Natural Gas Liquids by Twister Technology Open
The Twister supersonic separator is a unique combination of known physical processes, combining aero- dynamics, thermodynamics and fluid dynamics to produce an innovative gas conditioning process. Condensation and separation at supersonic …
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Effect of particle diameter and injection position on the separation performance of cyclone separators Open
Effects of the particle diameter and particle injection position on the gas–solid two-phase flow have important implications in the tangential inlet cyclone separator. The Navier–Stokes equation coupled with the Reynolds stress model in Eu…
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Gas-liquid two-phase flows in double inlet cyclones for natural gas separation Open
The gas-liquid two-phase flow within a double inlet cyclone for natural gas separation was numerically simulated using the discrete phase model. The numerical approach was validated with the experimental data, and the comparison results ag…
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Numerical simulation of a cyclone separator to recycle the active components of waste lithium batteries Open
In this paper, cyclone separator is proposed for the first time to separate particles according to density, and it is applied to the recovery of lithium iron phosphate (LFP) from spent lithium battery materials for the first time. The effe…
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Local linear stability analysis of cyclone separators Open
Local linear stability analysis is applied to the flow inside a cyclone separator to investigate the unsteady precession of the vortex core. The results of the stability analysis are compared with experimental measurements of the vortex os…
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Intensification of gas flow purification from finely dispersed particles by means of rectangular separator Open
The article considers the issues of gas flow purification from solid particles of small diameters 1-10 μm. The comparison of the efficiency of collecting the finely dispersed particles by rectangular separator and cyclonic separator CN-11 …
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Effect of External Cyclone Diameter on Performance of a Two-Stage Cyclone Separator Open
As a widely used separation device, a cyclone separator is especially important to improve its separation efficiency. In this paper, a new two-stage cyclone separator is designed and modeled by the Reynolds stress model. Under the premise …
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The CFD Simulation of Cyclone Separator without and with the Counter-cone in the Gasification Process Open
The performance of cyclone separator as the ash trapper in the gasification system was studied through the Computational Fluid Dynamic (CFD) using the finite volume method. The ash trapper system is important part due to the effect on the …
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Numerical Analysis of Gas-Solid Behavior in a Cyclone Separator for Circulating Fluidized Bed System Open
Cyclones are one of the most widely used gas-solid separators in circulating fluidized bed (CFB) systems. This paper focuses on numerical study of the gas-solid flow in a cyclone attached to the CFB system. The objective was to understand …
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Grid convergence study of a cyclone separator using different mesh structures Open
In a cyclone design, pressure drop and collection efficiency are two important performance parameters to estimate its implementation viability. The optimum design provides higher efficiencies and lower pressure drops. In this paper, a grid…
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Numerical analysis of multiphase flow through axial vortex tube cyclone separators Open
Axial cyclone separators are used as primary filtration components in many internal combustion engine applications. A numerical study of gas-solid flow through an axial cyclone separator is carried out by Eulerian-Lagrangian CFD approach, …