Academic literature on the topic 'Fluid flow in filter cake'

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Journal articles on the topic "Fluid flow in filter cake"

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Roodhart, L. P. "Fracturing Fluids: Fluid-Loss Measurements Under Dynamic Conditions." Society of Petroleum Engineers Journal 25, no. 05 (1985): 629–36. http://dx.doi.org/10.2118/11900-pa.

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Abstract When filter-cake-building additives are used in fracturing fluids, the commonly applied static, 30-minute API filtration test is unsatisfactory, because in a dynamic situation (like fracturing) the formation of a thick filter cake will be inhibited by the shearing forces of the fracturing fluid. A dynamic, filter-cake-controlled, leakoff coefficient that is dependent on the shear rate and shear stress at the fracture face is, therefore, introduced. A test apparatus has been constructed in which the fluid leakoff is measured under conditions of temperature, rate of shear, duration of s
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Köry, J., A. Krupp, C. Please, and I. Griffiths. "Optimising Dead-End Cake Filtration Using Poroelasticity Theory." Modelling 2, no. 1 (2021): 18–42. http://dx.doi.org/10.3390/modelling2010002.

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Understanding the operation of filters used to remove particulates from fluids is important in many practical industries. Typically the particles are larger than the pores in the filter so a cake layer of particles forms on the filter surface. Here we extend existing models for filter blocking to account for deformation of the filter material and the cake layer due to the applied pressure that drives the fluid. These deformations change the permeability of the filter and the cake and hence the flow. We develop a new theory of compressible-cake filtration based on a simple poroelastic model in
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Köry, J., A. Krupp, C. Please, and I. Griffiths. "Optimising Dead-End Cake Filtration Using Poroelasticity Theory." Modelling 2, no. 1 (2021): 18–42. http://dx.doi.org/10.3390/modelling2010002.

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Understanding the operation of filters used to remove particulates from fluids is important in many practical industries. Typically the particles are larger than the pores in the filter so a cake layer of particles forms on the filter surface. Here we extend existing models for filter blocking to account for deformation of the filter material and the cake layer due to the applied pressure that drives the fluid. These deformations change the permeability of the filter and the cake and hence the flow. We develop a new theory of compressible-cake filtration based on a simple poroelastic model in
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Puderbach, Vanessa, Kilian Schmidt, and Sergiy Antonyuk. "A Coupled CFD-DEM Model for Resolved Simulation of Filter Cake Formation during Solid-Liquid Separation." Processes 9, no. 5 (2021): 826. http://dx.doi.org/10.3390/pr9050826.

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In cake filtration processes, where particles in a suspension are separated by forming a filter cake on the filter medium, the resistances of filter cake and filter medium cause a specific pressure drop which consequently defines the process energy effort. The micromechanics of the filter cake formation (interactions between particles, fluid, other particles and filter medium) must be considered to describe pore clogging, filter cake growth and consolidation correctly. A precise 3D modeling approach to describe these effects is the resolved coupling of the Computational Fluid Dynamics with the
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Li, Hai Xia, and Zhan Xu Tie. "Numerical Simulation of Gas Purification by Filtration with Ceramic Filter." Advanced Materials Research 356-360 (October 2011): 1520–23. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1520.

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The numerical simulation method is used to analyze the process of gas purification with ceramic filters. The gas /solid two-phase flow field in the ceramic filter vessel was simulated using the Eulerian two-fluid model provided by FLUENT code. The variations of the pressure distribution in the filter cavity were analyzed. The distribution of the dust cake density along the under cleaning filter length was studied.
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Al-Hajeri, M. H., A. Aroussl, K. Simmons, and S. J. Pickering. "A parametric study of filtration through a ceramic candle filter." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 219, no. 1 (2005): 77–90. http://dx.doi.org/10.1243/095765005x6908.

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Ceramic candle filters have been developed for cleaning high-temperature high-pressure (HTHP) gas streams. They meet environmental and economical considerations in combined cycle power plant, where gas turbine blades can be protected from the erosion resulting from the use of HTHP exhaust from the fluidized bed. Ceramic candle filters are the most promising hot gas filtration technology and have demonstrated high collection efficiencies at high-temperature high-pressure conditions. This paper reports a computational fluid dynamics (CFD) investigation of a candle filter in cross-flow arrangemen
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Reddy, B. R. R. "Laboratory Characterization of Gel Filter Cake and Development of Nonoxidizing Gel Breakers for Zirconium-Crosslinked Fracturing Fluids." SPE Journal 19, no. 04 (2013): 662–73. http://dx.doi.org/10.2118/164116-pa.

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Summary Borate or Group 4 metal-crosslinked biopolymer fluids constitute the bulk of gelled-fracturing-fluid volumes used in field-fracture stimulation operations to date. Oxidizing chemicals remain the primary gel breakers to break down the filter cake and establish regained formation permeability or fracture conductivity. These breakers presumably oxidize the polymer backbone, causing chain breakdown and facilitating fluid flowback. Safety hazards associated with the use of bulk quantities are one of the many potential problems associated with the use of oxidizing agents as gel breakers. Pro
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Rocha, Sandra Mara Santana, M. S. Bacelos, João Jorge Ribeiro Damasceno, L. G. M. Vieira, and M. L. Aguiar. "The Effect of the Dust Cake Resistance on Fluid Flow Passing through the Filter Media." Materials Science Forum 727-728 (August 2012): 758–63. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.758.

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A filter box was used to obtain the experimental data of filtration operation with different air velocities as 5, 10 and 15 cm/s. The experimental data were compared to the simulated ones using CFD technique. For all range of air velocity and dust cake porosity and permeability employed, data of pressure drop in filter box could be satisfactorily predicted by simulations in CFD. Furthermore, the CFD simulations showed that undesirable patchy cleaning might be overcome using air velocities lower than 15cm/s.
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Ghazali, Nurul Aimi, T. A. T. Mohd, Nur Hashimah Alias, A. Azizi, and A. A. Harun. "The Effect of Lemongrass as Lost Circulation Material (LCM) to the Filtrate and Filter Cake Formation." Key Engineering Materials 594-595 (December 2013): 68–72. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.68.

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Lost circulation is one of the most troublesome encountered in drilling due to uncontrolled flow of mud into the formation that likely to be caused of unsuccessful filter cake. The lost circulation material (LCM) is the additives that added to the drilling fluid to control loss of mud to the formation. In this research, the lemongrass was used as LCM. The objectives of this experiment are to investigate the effect of lemongrass as LCM to the filtrate and filter cake thickness and to determine the effective size of lemongrass as LCM. The experiments were conducted to measure the filtrate and fi
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Parry, A. J. "Numerical Prediction Method for Growth and Deformation of Filter Cakes." Journal of Fluids Engineering 128, no. 6 (2006): 1259–65. http://dx.doi.org/10.1115/1.2354526.

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During filtration of a fluid-solid mixture, a filter cake composed of solids is formed on the upstream side of the permeable interface—the filtrate or clean fluid passes through but not the solids. This paper describes a multi-dimensional calculation framework to carry out numerical simulations of growth and deformation of a filter cake. Two examples of cake growth and deformation phenomena of interest to the oil industry are the sticking of drill string within a wellbore and the sealing of wellbore sections by expandable packers. The calculation algorithm is based on the algebraic slip mixtur
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Dissertations / Theses on the topic "Fluid flow in filter cake"

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友一, 吉田, та Yuichi Yoshida. "微粒子スラリーのろ過設計に関する研究". Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13071668/?lang=0, 2018. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13071668/?lang=0.

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粉体の微粒子化に伴い,固液分離操作の中でも高精度かつ多量処理が可能なろ過の重要性はますます高まっている.しかしながら,微粒子スラリーのろ過抵抗は非常に大きく,所望の処理能力を得られないことが多い.本論文では,ろ過操作設計におけるろ材抵抗,スラリー凝集・分散状態,ケークろ過抵抗の予測に関して数値シミュレーションを利用した検討を行うことで,微粒子スラリーのろ過抵抗の低減に有用な知見を得ることができた.<br>著者名の「吉」は「土」の下に「口」の置き換え<br>博士(工学)<br>Doctor of Philosophy in Engineering<br>同志社大学<br>Doshisha University
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Trinidad, Pedro. "Fluid flow, mass transport and electrosynthesis studies in filter-press electrochemical reactors." Thesis, University of Portsmouth, 2001. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.766481.

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Kaushik, Swati. "Mécanisme de filtration des suspensions de microgel." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0019/document.

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Les écoulements de suspensions dans des milieux poreux sont particulièrement complexes, notamment à cause du couplage d’écoulements de cisaillement et d’écoulements élongationnels (Herzig, Leclerc et Goff, 1970). On les retrouve fréquemment dans les applications industrielles, l’une des applications principales se trouvant lors des opérations de production de pétrole et de gaz. Lors de la construction d'un puits, des additifs polymères anti perte de fluide empêchent à plusieurs étapes l'écoulement de fluide entre le puits et la formation de roche poreuse environnante. La perte de fluide est un
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Suri, Ajay. "Cleanup of internal filter cake during flowback." Thesis, 2005. http://hdl.handle.net/2152/2337.

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Yango, Takwe. "Characterization of Filter Cake Buildup and Cleanup under Dynamic Fluid Loss Conditions." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10076.

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Hydraulic fracturing is a popular stimulation method in tight gas and shale gas reservoirs that uses a viscous fluid to fracture the reservoir rock and uniformly transport proppant to create a highly conductive path that is kept open by the proppant after fracturing. This method is used to improve the productivity of the otherwise low permeability reservoirs. Hydraulic fracturing, though in general beneficial, is a complex process that has a number of challenges in fracturing design and execution. This research focuses on studying the damage caused by the fracturing fluid (gel) to the fractur
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Chang, Ya-Limg, and 張雅鈴. "Flow of Fluid through Granular Filter Bed." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/56657948589249155641.

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碩士<br>中原大學<br>化學工程研究所<br>90<br>The mechanism of deep-bed filtration was conducted by analyzing a 3D model of granular beds using computational fluid dynamic technique. Various types of granular packing structures, simple cubic packing, body-centered packing and face-centered packing structures and random packing structure were chosen for analyzing. The flow field through the packing media was calculated by using the commercial available CFD software — Fluent. The motion of suspended particle was tracked by considering the forces exerted on the particle using the Lagrangian trajectory model.
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Dharwadkar, Pavan S. "Analyzing the Limits and Extent of Alpha-Amylase Catalyzed Removal of Starch-Based Filter Cake." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10422.

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The ability of starch to impart functions including fluid-loss control, cuttings transport, and rheological characteristics to water-based drilling fluids has led to its widespread use in the oil industry. The filter cake deposited by these drilling fluids often employs sized solid particles and starch to inhibit fluid loss into the formation. This inherently causes damage to the formation by impairing the permeability and must be removed before production. An alpha-amylase enzyme treatment was found to provide an effective approach to degrading starch in filter cake. In this work, an alpha-
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Elkatatny, Salaheldin Mahmoud. "New Techniques to Characterize and Remove Water-Based Drilling Fluids Filter Cake." Thesis, 2013. http://hdl.handle.net/1969.1/149400.

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Filter cake characterization is very important in drilling and completion operations. Heterogeneity of the filter cake plays a key role in the design of chemical treatments needed to remove the filter cake. The objectives of this study are to characterize the filter cake under static and dynamic conditions, evaluate the using of polylactic acid and chelating agents to remove calcium carbonate-based filter cake, assess glycolic acid to remove Mn3O4-based filter cake, and evaluate ilmenite as a weighting material for water-based drilling fluid. In order to characterize the filter cake, compute
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Xu, Ben. "Thickness Measurement of Fracture Fluid Gel Filter Cake after Static Build Up and Shear Erosion." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7652.

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The hydraulic fracturing treatment is an essential tight sand gas reservoir stimulation that employs viscous fluid to break the formation rock to create a fracture and transport the propping agent to support the fracture from naturally healing. Despite proven economic benefit, the hydraulic fracture fluid damages the producing formation and the propped fracture. To analyze the gel damage effect quantitatively, the filter cake thickness is used as a parameter that has not been measured before. This project was divided into two stages. The first stage built up a filter cake and measured the filt
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Tong, Guo Lun, and 童國倫. "Flow of fluid through basic weaves of monofilament filter cloth." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/81714724258865795651.

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Books on the topic "Fluid flow in filter cake"

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Trinidad, Pedro. Fluid flow, mass transport and electrosynthesis studies in filter-press electrochemical reactors. University of Portsmouth, 2001.

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Fichtner, Alexander, and Franz Schaefer. Acute kidney injury in children. Edited by Norbert Lameire. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0239.

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In the past few decades, the overall incidence of acute kidney injury (AKI) in paediatric patients has increased and the aetiological spectrum has shifted from infection-related and intrinsic renal causes towards secondary forms of AKI related to exposure to nephrotoxic drugs and complex surgical, oncological, and intensive care manoeuvres. In addition, neonatal kidney impairment and haemolytic uraemic syndrome continue to be important specific paediatric causes of AKI raising unique challenges regarding prevention, diagnosis, and treatment. The search for new biomarkers is a current focus of
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Book chapters on the topic "Fluid flow in filter cake"

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Kabir, M. A., and Isaac K. Gamwo. "Multiphase Flow in Porous Media: Cake Formation During Extreme Drilling Processes." In Application of Thermo-fluid Processes in Energy Systems. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-0697-5_11.

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Yin, Xinsheng, Zhi Ding, Xinjiang Wei, and Gang Wei. "Three-Dimensional Seepage Flow Analysis of Slurry Shield with Permeable Filter Cake." In Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0017-2_14.

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Gorthi, Sai, Sébastien Beyou, Thomas Corpetti, and Etienne Mémin. "Multiscale Weighted Ensemble Kalman Filter for Fluid Flow Estimation." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-24785-9_63.

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Yin, Xinsheng, Fanyan Meng, and Renpeng Chen. "Three Dimension Seepage Flow Numerical Modeling of Slurry Shield with the Permeable Filter Cake." In Springer Series in Geomechanics and Geoengineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6632-0_28.

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Jayaram Thumbe, Ravikiran Kadoli, and K. V. Gangadharan. "Evaluation of Flow Properties of Air at the Exit of Holes on the Blow Pipe in a Pulse Jet Filter Bag House." In Fluid Mechanics and Fluid Power – Contemporary Research. Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2743-4_36.

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Harrison, Roger G., Paul W. Todd, Scott R. Rudge, and Demetri P. Petrides. "Filtration." In Bioseparations Science and Engineering. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780195391817.003.0007.

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Filtration is an operation that has found an important place in the processing of biotechnology products. In general, filtration is used to separate particulate or solute components in a fluid suspension or solution according to size by flowing under a pressure differential through a porous medium. There are two broad categories of filtration, which differ according to the direction of the fluid feed in relation to the filter medium. In conventional or dead-end filtration, the fluid flows perpendicular to the medium, which generally results in a cake of solids depositing on the filter medium. In crossflow filtration (which is also called tangential flow filtration), the fluid flows parallel to the medium to minimize buildup of solids on the medium. Conventional and crossflow filtration are illustrated schematically in Figure 4.1. Conventional filtration is typically used when a product has been secreted from cells, and the cells must be removed to obtain the product that is dissolved in the liquid. Antibiotics and steroids are often processed by using conventional filtration to remove the cells. Conventional filtration is also commonly used for sterile filtration in biopharmaceutical production. Crossflow filtration has been used in a wide variety of applications, including the separation of cells from a product that has been secreted, the concentration of cells, the removal of cell debris from cells that have been lysed, the concentration of protein solutions, the exchange or removal of a salt or salts in a protein solution, and the removal of viruses from protein solutions. Filtration often occurs in the early stages of bioproduct purification, in keeping with the process design heuristic “remove the most plentiful impurities first” (see Chapter 12, Bioprocess Design and Economics). At the start of purification, the desired bioproduct is usually present in a large volume of aqueous solution, and it is desirable to reduce the volume as soon as possible to reduce the scale and thus the cost of subsequent processing operations. Filtration, along with sedimentation and extraction (see Chapters 5 and 6), is an effective means of accomplishing volume reduction.
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"Flow Through a Growing Porous Filter Cake." In Solid-Liquid Filtration. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-08-097114-8.15002-6.

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"Liquid Flow through Filter Media." In Fluid Sterilization by Filtration. CRC Press, 2003. http://dx.doi.org/10.1201/9780203485323-6.

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"Gas Flow through Filter Media." In Fluid Sterilization by Filtration. CRC Press, 2003. http://dx.doi.org/10.1201/9780203485323-7.

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"Liquid Flow through Filter Media." In Fluid Sterilization by Filtration. Informa Healthcare, 2003. http://dx.doi.org/10.1201/9780203485323.ch1.

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Conference papers on the topic "Fluid flow in filter cake"

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Al-Hajeri, M. H., and A. Witry. "Computational Fluid Dynamics Investigation of Cylindrical Filter Element." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85664.

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Cylindrical or candle filters have been developed for cleaning the hot combustion gas streams upstream of the turbine in a combined cycle power plant. To obtain continues operation a periodic cleaning is necessary and the cleaning efficiency depends on the distribution of the filtration cake. Consequently uniform particle deposition on the filter element surface is desired. The flow around three filter elements in cross flow is investigated computationally using the commercial code FLUENT. Three filter elements are placed in a two-dimensional rectangle duct with fixed face velocity and varying
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Duignan, Mark R., and Charles A. Nash. "Experiments on Cake Development in Crossflow Filtration for High Level Waste." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-09017.

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Crossflow filtration is a key process step in many operating and planned waste treatment facilities to separate undissolved solids from supernate slurries. This separation technology generally has the advantage of self cleaning through the action of wall shear stress, which is created by the flow of waste slurry through the filter tubes. However, the ability of filter wall self cleaning depends on the slurry being filtered. Many of the alkaline radioactive wastes are extremely challenging to filtration, e.g., those containing compounds of aluminum and iron, which have particles whose size and
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Al-Hajeri, M. H. "Computational Investigation of Gas- Solid Flow in PFBC Plant." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99301.

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This paper reports a computational Fluid Dynamics (CFD) investigation for a high-temperature high-pressure filtration (ceramic candle filter). However parallel flow to the filter is considered in this study. Different face (filtration) velocities are examined using the CFD code, FLUENT. Particles ranging from 1 to 100 microns are tracked through the domain to find the height at which the particles will impinge on the filter surface. Furthermore, particle distribution around the filter (or filter cake) is studied to design efficient cleaning mechanisms. Gravity affect to the particles with vari
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Giorges, Aklilu T. G., and John A. Pierson. "Flow Dynamic Effect in Cake Shape and Resistance in Membrane Filtration." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62580.

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Membrane filtration is one of the methods for separating targeted material from a fluid stream. Membrane based filtration is applied in many areas of processing to separate and concentrate fluids. However, fouling and film growth at the filter surface is a major problem that causes loss in efficiency. The cake buildup during the filtration process is investigated experimentally to understand the affect of flow dynamics on the cake characteristics, shape and associated resistance. The experiments were conducted without and with shear generated using an impeller operated at various rotational sp
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Al-Hajeri, M., A. Aroussi, and S. J. Pickering. "Study of the Filtration Process Through a Ceramic Candle Filter." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-229.

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Ceramic candle filters have been developed for cleaning high-temperature high-pressure (HTHP) gas streams. They meet environmental and economical considerations in Combined cycle power plant, where gas turbine blades can be protected from the erosion that occurs due to using HTHP exhaust from the fluidized bed. Ceramic candle filters are the most promising hot gas filtration technology, which has demonstrated high collection efficiencies at high-temperature high-pressure conditions. This paper reports a computational fluid dynamics (CFD) investigation of a candle filter. Constant filtration ve
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Al-Hajeri, M., A. Aroussi, and S. J. Pickering. "Study of the Filtration Process Through a Ceramic Candle Filter." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-354.

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Ceramic candle filters have been developed for cleaning high-temperature high-pressure (HTHP) gas streams. They meet environmental and economical considerations in Combined cycle power plant, where gas turbine blades can be protected from the erosion that occurs due to using HTHP exhaust from the fluidized bed. Ceramic candle filters are the most promising hot gas filtration technology, which has demonstrated high collection efficiencies at high-temperature high-pressure conditions. This paper reports a computational fluid dynamics (CFD) investigation of a candle filter. Constant filtration ve
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Vryzas, Zisis, Omar Mahmoud, Hisham Nasr-El-Din, Vassilis Zaspalis, and Vassilios C. Kelessidis. "Incorporation of Fe3O4 Nanoparticles as Drilling Fluid Additives for Improved Drilling Operations." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54071.

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A successful drilling operation requires an effective drilling fluid system. Due to the variety of downhole conditions across the globe, the fluid system should be designed to meet complex challenges such as High-Pressure/High-Temperature (HPHT) environments, while promoting better productivity with a minimum interference for completion operations. This study aims to improve the rheological and fluid loss properties of water-bentonite suspensions by using both commercial (C-NP) and custom-made (CM-NP) iron oxide (Fe3O4) nanoparticles (NP) as drilling fluid additives. Superparamagnetic Fe3O4 NP
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Krishnamoorthy, C., K. C. Ravi, S. Yao, and F. W. Chambers. "Computational Investigation of Backward-Facing Step Flow Preceding a Porous Medium." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11228.

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Optimal performance of air filters and heat exchangers requires uniform inlet flow, but flow separation produces nonuniformity. The backward-facing step flow has a separation resembling those found in industrial flows. Flow resistance of the devices is a parameter which alters upstream pressure gradients, thereby affecting separation and device performance. Air filters often are modeled as porous media using an extended Darcy Law. The present work applied Computational Fluid Dynamics (CFD) to examine the changes in the step flow resulting from the resistance of a downstream air filter. Computa
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G. Giorges, Aklilu T., and John A. Pierson. "The Comparison of Membrane Blocking Process and Yeast Membrane Filtration Data." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66944.

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Membrane filtration systems are used in a variety of processing industries where their performance meet and exceed the requirements in cost and quality. However, it is a challenge to design a small pore-size membrane system that treats very concentrated, large-volume streams within a reasonable time period. In the processing industries, several membrane technologies are used to separate various fluid streams where the concentrate or filtrate contains high-value products. Nevertheless, pore blocking is one of the major factors determining the applicability, efficiency and performance of the mem
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Duignan, Mark R., and John R. Zamecnik. "Cross-Flow Filtration Performance During the Washing of a Simulated Radioactive Waste Stream." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77286.

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Bechtel National, Inc. has been contracted by the Department of Energy to design a Waste Treatment and Immobilization Plant (WTP) to stabilize liquid radioactive waste that is stored at the Hanford Site as part of the River Protection Project (RPP). Because of its experience with radioactive waste stabilization, the Savannah River National Laboratory (SRNL) of the Westinghouse Savannah River Company is working with Bechtel and Washington Group International, to help design and test certain parts of the waste treatment facility. One part of the process is the separation of radioactive solids fr
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