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The hydrocyclone also referred to as cyclone is a classifying device that utilizes centrifugal force to accelerate the settling rate of slurry particles and separate particles according to size shape and specific gravity Early attempts at understanding the physical principles that govern size separation in hydrocyclones yielded
·Cullivan JC Williams RA Dyakowski T Cross CR 2004 New understanding of a hydrocyclone flow field and separation mechanism from computational fluid dynamics Min Eng 17 5 651 660 Article Google Scholar Davailles A Climent E Bourgeois F 2012 Fundamental understanding of swirling flow pattern in hydrocyclones
·The flow field of a 2 in hydrocyclone is shown to be significantly asymmetric without precession through both computational fluid dynamics CFD and experimental observation
·The understanding of the pressure profile of the hydrocyclone could lead to a deeper understanding of the formation of the air core By examining the pressure contour map of the hydrocyclone at different viscosities a pattern was shown to develop indicating a relationship between pressure and the formation of the air core
·The hydrocyclone provides an efficient means for solids separation from suspension de watering or purification but there is little detailed understanding of the swirl flow and separation mechanism prevailing within the device We report on the application of transient three dimensional computational fluid dynamics incorporating a second order accurate
Yet as this Volume clearly shows the hydrocyclone can do so many things and do them well whether the application is in solid liquid liquid liquid or liquid gas separation Similar content being viewed by others
·Highlights Novel hydrocyclone with inlet and top plate modifications were designed Increasing inlet number can efficiently improve hydrocyclone performance Narrowing inlet width can enhance hydrocyclone efficiency Particle separation efficiency can be enhanced using a cone shape top plate Extra guide channel may increase efficiency but decrease
·The physics based model presented here is the first building block towards describing and understanding hydrocyclone flow under dense regime View Show abstract
·The flow field characteristics of AVFZ in hydrocyclones are systematically studied via LDA measurements and numerical simulations For the first time the mathematical definition and spatial distribution of AVFZ are determined A novel understanding of the basic flow pattern in a hydrocyclone can be attained The main conclusions are drawn as
·adapting the hydrocyclone for primary separation of produced oil and water The applications of the hydrocyclone technology to be discussed in this paper are 1 Hydrocyclone system design 2 Hydrocyclone designs for enhanced separation 3 Low pressure operation 4 Hydrocyclone systems for primary production separation 275
Semantic Scholar extracted view of "Phenomenological model of the hydrocyclone Model development and verification for single phase flow" by K Hsieh et al Skip to The investigation pertains to establishing a simulation methodology for understanding the separation characteristics of a typical hydrocyclone where the work was carried out
·The CCC hydrocyclone was experimentally compared with a hydrocyclone with a conventional straight cone the CSC hydrocyclone in terms of five separation performance metrics namely the split
·The flow field of a hydrocyclone was investigated using both computational fluid dynamics CFD and particle image velocimetry PIV The insights gained from our measurement methodology and enhanced understanding of secondary flows within hydrocyclones are not only poised to serve as valuable references for fellow researchers but also have
·In recent years researchers [62 63] have developed an efficient de foulant hydrocyclone with a reflux function for the thermal energy recovery from raw wastewater Figure 5 and have reviewed
·The underflow purity coefficient of a de oiling hydrocyclone operating at a fixed split ratio is limited by the existence of a finite turndown ratio during excursion in the feed rate
·The flow field of a 2 in hydrocyclone is shown to be significantly asymmetric without precession through both computational fluid dynamics CFD and experimental observation Hence the application of full three dimensional modelling is demonstrated to be essential Further CFD predicts that the axial pressure is not below atmospheric prior to
·Hydrocyclone has a history of about 129 years It has been used in various industries including mineral chemical coal petroleum papermaking environmental protection soil remediation waste management agriculture aquaculture food biotechnology nanotechnology material science technology and thermal energy due to its high separation
·Meldrum [8] described the basic design and operating principles of a flooded hydrocyclone installed on the Murchison platform in the North Sea Field tests on a single stage 4 in 1Vortoil separator four 70 mm diameter hydrocyclones in parallel showed that for a constant split ratio Q F / Q u the underflow purity coefficient was essentially constant for feed
·In a hydrocyclone a slurry enters through a tangential inlet giving rise to a vortex in the stationary body New understanding of a hydrocyclone flow field and separation mechanism from computational fluid dynamics Miner Eng 17 5 2004 pp 651 660 View PDF View article View in Scopus Google Scholar Das and Miller 1996
·Thus the results obtained with the hydrocyclone corresponding to Fig 12 a show that this parameter increases from % to % when the spigot diameter changes from 6 to 16 mm Operating at 200 kPa with the hydrocyclone of smallest body D = 50 mm θ = 5 ° and vortex finder diameter of 10 mm leads to an increase in the value of the
·Prediction of dewatering performance of an industrial hydrocyclone from laboratory model hydrocyclone founds utmost importance In this case the challenge lies with the predicting design and operating parameters of industrial scale hydrocyclones for estimating the efficiency The laboratory scale hydrocyclone experiments were conducted using silica sand
·Hydrocyclone is easy to operate with high production capacity and high separation efficiency It is widely used in classification desliming concentration sorting and other operations Further Reading Chu L Y Chen W M 2002 Rotational flow separation theory Metallurgical Industry Press Beijing
·The design and optimization of the hydrocyclone inlet are an effective way to improve the overall performance of the hydrocyclone In this paper a set of novel hydrocyclones are designed by changing single to multiple inlets and narrowing the inlet width The effects of inlet size and number of inlet on the particle separation efficiency cut size the velocity field
·To improve the understanding of the short circuiting flow and guide the optimization of gas cyclones this paper presents a numerical study of a cyclone using computational fluid dynamics The type E hydrocyclone has the least entrainment of fine particles and has a separation sharpness that is between those of type A and types B C and
