Journal Article10.1002/CEAT.200900129
CFD Simulation of Inlet Design Effect on Deoiling Hydrocyclone Separation Efficiency
89
TL;DR: In this article, the effect of different inlet designs on deoiling hydrocyclone separation efficiency was investigated using an Eulerian-Eulerian three-dimensional CFD model.
read more
Abstract: An Eulerian-Eulerian three-dimensional CFD model was developed to study the effect of different inlet designs on deoiling hydrocyclone separation efficiency. Reynolds averaged Navier Stokes and continuity equations were applied to solve steady turbulent flow through the cyclone with the Reynolds stress model. In addition, the modified drag correlation for liquid-liquid emulsion with respect to the Reynolds number range and viscosity ratio of two phases was used and the simulation results were compared with those predicted by the Schiller-Naumann correlation. Pressure profile, tangential and axial velocities and separation efficiency of the deoiling hydrocyclone were calculated for four different inlet designs and compared with the standard design. The simulation results for the standard design demonstrate an acceptable agreement with reported experimental data. The results show that all new four inlet designs offer higher efficiencies compared to the standard design. The difference between the efficiency of the LLHC, of the new inlets and the standard design can be improved by increasing the inlet velocity. Furthermore, the simulations show that the separation efficiency can be improved by about 10 % when using a helical form of inlet.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
Effect of a Cylindrical Permeable Wall on the Performance of Hydrocyclones
TL;DR: In this paper, the incorporation effect of a porous cylinder on a cylindrical hydrocyclone with optimized geometry was studied experimentally, and the results showed significant average reductions in energy consumption compared to conventional hydrocyclones of the same geometry.
14
CFD simulations to predict dispersed phase holdup in a pulsed sieve plate column
Nirvik Sen,Nirvik Sen,Krishan Kant Singh,Krishan Kant Singh,Ashwin W. Patwardhan,S. Mukhopadhyay,S. Mukhopadhyay,K.T. Shenoy +7 more
TL;DR: In this paper, a predictive two-phase CFD model was used to estimate dispersed phase holdup in a pulsed sieve plate column (PSPC) with no experimental input.
14
Analysis of droplet behavior in a de-oiling hydrocyclone
Changjun Li,Qian Huang +1 more
TL;DR: In this article, a modified breakage model, which can be applied to droplet breakage in the de-oiling hydrocyclone, is developed based on experimental data and simulation results in a stirred tank.
13
In-Line Oil-Water Separation in Swirling Flow (USB stick)
J.J.M. Slot,L.J.A.M. van Campen,Hendrik Willem Marie Hoeijmakers,Robert F. Mudde +3 more
- 21 Jun 2011
TL;DR: In this article, an in-line oil-water separator has been designed and is investigated for single and two-phase flow, and the results show an annular reversed flow region.
Investigation on the gas pockets in a rotodynamic multiphase pump
Jinya Zhang,Yujing Li,Shujie Cai,Hongwu Zhu,Ye Zhang +4 more
- 01 May 2016
TL;DR: In this paper, the appearance of gas pockets has an obvious impact on the performance of the rotodynamic multiphase pump and its effects on pump's performance, the unsteady numerical simulation and the visualization experiments were done to investigate gas pockets in a three-stage rotodynamic multi-phase pump developed by authors Meanwhile, the mixture of water and air was selected as the medium.
11
References
Second-moment closure and its use in modelling turbulent industrial flows
TL;DR: The paper summarizes the principal modelling strategies adopted for the unknown processes in these equations and presents the forms that have been found most useful in engineering calculations.
333
Quasi-steady shape and drag of deformable bubbles and drops
TL;DR: The quasi-steady shape and drag of isolated drops and bubbles are reviewed in terms of quantitative results, particularly for deformed conditions as discussed by the authors, where the relationship between the local Weber and Reynolds numbers (as well as density and viscosity ratios) and the quasi-ststeady drag coefficient are derived.
237
CFD simulation and experimental validation studies on hydrocyclone
TL;DR: In this article, a methodology for simulating the performance of hydrocyclone was developed to compare experimental and simulated results generated using different turbulence models in terms of water throughput and split with the help of suitably designed experiments.
201
Effect of structural modification on hydrocyclone performance
TL;DR: In this paper, the structural modifications with central insertions named winged core, solid core and inner diffuser could increase all reduced separation efficiency, separation sharpness, cut size, capacity and flow split, and decrease the energy loss coefficient.
118
Comparative study of the continuous phase flow in a cyclone separator using different turbulence models
TL;DR: In this paper, numerical calculations were carried out at the apex cone and various axial positions of a gas cyclone separator for industrial applications using two different NS-solvers (a commercial one (CFX 4.4 ANSYS GmbH, Munich, Germany, CFX Solver Documentation, 1998), and a research code (Post-doctoral Thesis, Technical University of Chemnitz, German, September, 2002)) based on a pressure correction algorithm of the SIMPLE method have been applied to predict the flow behaviour.
92