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Journal articles on the topic 'Process fluids'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Lavrentiadi, Yuriy, and Ekaterina Leusheva. "Increasing the Environmental Friendly of Process Fluids Used for Well Drilling." Недропользование 23, no. 1 (2023): 32–43. http://dx.doi.org/10.15593/2712-8008/2023.1.5.

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An important aspect of hydrocarbon drilling is the use of drilling fluids that remove cuttings and stabilize the wellbore, providing better filtration. The properties of drilling fluids are essential to the success of any drilling operation. Fluids were originally developed to enable and cost effectively rotary drilling in subterranean formations. In addition, drilling fluids were designed to form a filter cake, which was primarily designed to reduce filtrate loss to the formation, was thin, and retained the drilling fluid in the wellbore. One of the most important functions of drilling fluids

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2

F, Yehia. "Hydraulic Fracturing Process Systems and Fluids: An Overview." Petroleum & Petrochemical Engineering Journal 6, no. 3 (2022): 1–7. http://dx.doi.org/10.23880/ppej-16000306.

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Hydraulic fracturing has become a critical component of global petroleum and natural gas development, with most the countries around the globe, for example, Canada, India, England, and China actively pursuing the implementation of this technology to increase oil production after declination as well as tap into this new source of energy. Hydraulic fracturing has created jobs and increased revenue in several states across the country. However, as with any advanced technology, there are concerns about its long-term environmental impact. Thus, many researchers and technicians continuously conduct

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Jegatheeswaran, Sinthuran, Farhad Ein-Mozaffari, and Jiangning Wu. "Laminar mixing of non-Newtonian fluids in static mixers: process intensification perspective." Reviews in Chemical Engineering 36, no. 3 (2020): 423–36. http://dx.doi.org/10.1515/revce-2017-0104.

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AbstractStatic mixers are widely used in various industrial applications to intensify the laminar mixing of non-Newtonian fluids. Non-Newtonian fluids can be categorized into (1) time-independent, (2) time-dependent, and (3) viscoelastic fluids. Computational fluid dynamics studies on the laminar mixing of viscoelastic fluids are very limited due to the complexity in incorporating the multiple relaxation times and the associated stress tensor into the constitutive equations. This review paper provides recommendations for future research studies while summarizing the key research contributions

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Yin, Shao Hui, Zhi Qiang Xu, Hong Jie Duan, and Feng Jun Chen. "Effects of Magnetic Fluid on Machining Characteristics in Magnetic Field Assisted Polishing Process." Advanced Materials Research 797 (September 2013): 396–400. http://dx.doi.org/10.4028/www.scientific.net/amr.797.396.

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Magnetic characteristics of three magnetic polishing fluids such as magnetic fluid (MF), magnetorheological fluid (MRF), and magnetic compound fluid (MCF) under magnetic field are experimentally investigated and analyzed. Their magnetic cluster structures under action of magnet field are observed, and their magnetic cluster models are established. Magnetic flied assisted polishing experiments for tungsten carbide are developed used these three kinds of magnetic fluids, material removal and surface roughness are respectively measured. At last, the machining characteristic of three magnetic flui

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Chakule, Rahul R., Sharad S. Chaudhari, Kailas V. Chandratre, Pralhad B. Patole, and Poonam S. Talmale. "Nanofluids, micro-lubrications and machining process optimisations − a review." Manufacturing Review 10 (2023): 1. http://dx.doi.org/10.1051/mfreview/2022034.

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The lubrication is a prime requirement of metal cutting industries to assure high quality performance. The conventional technique of coolant flow is less economical and eco-friendly. Recently, nano fluids found better cutting fluid in machining due to potential thermal and heat transfer properties. The role of micro-lubrication techniques and process optimization are equally important for improving process performance. The literature review presents the findings of different researchers in the field of nano fluids and micro-lubrication techniques. The experimental studies were focused on bette

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Borůvková, K., T. Bakalova, L. Voleský, and P. Louda. "The Influence of Nanoadditives on the Biological Properties and Chemical Composition of Process Fluids." Advances in Materials Science 15, no. 4 (2015): 59–66. http://dx.doi.org/10.1515/adms-2015-0023.

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Abstract In this study process fluids were tested after the addition of nanoparticles. Cooling and lubricating process fluids are used in machining to reduce wear on tools, to increase machine performance and to improve product quality. The use of process fluids leads to their pollution and contamination. Nanoparticles were added to the process fluids in order to increase their antibacterial activity. The selected nanoparticles were nanoparticles of metallic silver. The process fluids were modified by the addition of silver nitrate and ascorbic acid. Reduction of silver nanoparticles in the vo

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Grzesik, Wit. "Media-assisted machining processes using nano-fluids. Part 2: Examples of the influence of nano-fluids on the cutting process." Mechanik, no. 3 (March 2021): 7–11. http://dx.doi.org/10.17814/mechanik.2021.3.5.

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8

Song, Peng Yun, and Ai Lin Ma. "The Concept and the Contents of Process Fluid Mechanics." Applied Mechanics and Materials 723 (January 2015): 194–97. http://dx.doi.org/10.4028/www.scientific.net/amm.723.194.

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Fluid mechanics is the mechanics of fluids, concerned with the motion of fluids and the forces associated with that motion. A Process is a series of operations which produce a physical or chemical change or biotransformation in the nature of a material. Process industries are those industries in which processes have been taken placed. Process engineering stems from chemical engineering, having much wider ranges and much deep content, and focusing on the design, operation and maintenance of process in process industries. Process fluid mechanics may be interpreted as the fluid mechanics related

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Singaravel, Balasubramaniyan, K. Chandra Shekar, G. Gowtham Reddy, and S. Deva Prasad. "Performance Analysis of Vegetable Oil as Dielectric Fluid in Electric Discharge Machining Process of Inconel 800." Materials Science Forum 978 (February 2020): 77–83. http://dx.doi.org/10.4028/www.scientific.net/msf.978.77.

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Electric discharge machining (EDM) is a spark erosion process widely used to machine difficult-to-cut material by conventional machining method. The major elements of EDM process are work piece, electrode and dielectric fluid. In this work, an attempt is made to investigate vegetable oil as dielectric fluid and their process performance for machining of Inconel 800 in EDM process. The effects of dielectric fluids are investigated with vegetable oils and conventional dielectric fluid namely Sunflower oil and Kerosene respectively. The important input variables considered in this study are pulse

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Voelker, T., E. Blums, and S. Odenbach. "Separation Process in Magnetic Fluids." PAMM 1, no. 1 (2002): 321. http://dx.doi.org/10.1002/1617-7061(200203)1:1<321::aid-pamm321>3.0.co;2-v.

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Shi, Chunxiang, Xiangkun Song, Weipeng Xu, et al. "SPH Simulation of Gear Meshing with Lubricating Fluid–Solid Coupling and Heat-Transfer Process." Processes 13, no. 3 (2025): 730. https://doi.org/10.3390/pr13030730.

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This study employs the meshfree Smoothed Particle Hydrodynamics (SPH) method to simulate the fluid–solid coupling process of gear meshing rotation with lubricating oil or oil jet lubrication fluids, considering the heat-transfer process under preset initial temperature conditions. While traditional grid methods face challenges in simulating the dynamic interaction between gear-meshing rotation and lubricating fluids, such as time-dependent contact in fluid–solid coupling and heat transfer, difficulties in handling meshing gaps, and the complexity of dynamic mesh setup, our approach leverages t

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Lavakumar K S, Govinde Gowda M S, Chethan G R, Ananda G K. "Optimization Design and Simulation Approach of an Axial Inward Flow Reaction Turbine Incorporating with Organic Rankine Cycle." Tuijin Jishu/Journal of Propulsion Technology 44, no. 5 (2023): 533–47. http://dx.doi.org/10.52783/tjjpt.v44.i5.2515.

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The demand for sustainable and efficient energy conversion systems has led to the exploration of various turbines design and working fluids. This study focuses on the design and simulation investigation of an axial inward flow reaction turbine utilizing organic fluids as the working medium. Organic fluids have gained attention due to their favourable themodynamic properties and low environmental impact. The selection process for the working fluid takes into consideration factors such as temperature limitations fluids availability and efficiency. The design process begins with a thorough analys

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Wu, Chenjun, Qingxu Zhang, Xinpeng Fan, Yihu Song, and Qiang Zheng. "Magnetorheological elastomer peristaltic fluid conveying system for non-Newtonian fluids with an analogic moisture loss process." Journal of Intelligent Material Systems and Structures 30, no. 13 (2019): 2013–23. http://dx.doi.org/10.1177/1045389x19853625.

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A magnetorheological elastomer peristaltic fluid conveying system consisting of a magnetorheological elastomer tube and two electromagnets implements controlled movements via an external magnetic field with varying periods of driving voltages to convey non-Newtonian fluids over a certain time period. The effects of backpressure at the outlet of the magnetorheological elastomer peristaltic fluid conveying system, the viscosity of fluids at zero shear rate, and moisture loss along the longitudinal direction on net pumped volume are investigated systematically. The results demonstrate that the ne

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Zhou, Ming, P. Jia, and M. Li. "Study on the Machinability of Glass Soda-Lime in Diamond Cutting Process." Materials Science Forum 626-627 (August 2009): 47–52. http://dx.doi.org/10.4028/www.scientific.net/msf.626-627.47.

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Glass possesses poor machinability in diamond cutting due to its high hardness and high brittleness. In order to investigate the effect of cutting fluids on the machinability of glass, this paper first conducted soda-lime indentation experiment, and then examined the resulting indentation by optical microscope. Based on this, turning tests were carried out to evaluate the influence of the cutting fluid properties on the machinability of glass. Boric acid solutions were selected as cutting fluids in the tests. The surface processing quality of soda-lime was assessed based on the observations of

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Yasuda, S., H. Yonetsu, and T. Tanahashi. "Separation process of two-phase fluids." Journal of Visualization 8, no. 1 (2005): 5. http://dx.doi.org/10.1007/bf03181594.

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16

Almeida Carvalho, Déborah Oliveira, Leonardo Rosa Ribeiro da Silva, Felipe Chagas Rodrigues de Souza, et al. "Flooding Application of Vegetable- and Mineral-Based Cutting Fluids in Turning of AISI 1050 Steel." Lubricants 10, no. 11 (2022): 309. http://dx.doi.org/10.3390/lubricants10110309.

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The use of cutting fluids during machining processes remains one of the main challenges toward greener manufacturing, mainly when applied by flooding. The use of vegetable-based cutting fluids stands out as one of the alternatives toward more sustainability by making the process eco-friendlier without much impact on the economic aspects of the chain. In this paper, the performance of two vegetable-based cutting fluids applied by flooding was compared to one mineral-based during the turning process of the AISI 1050 steel. They were also tested after aging for microbiological contamination to as

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17

Denkena, Berend, Alexander Krödel, and Lars Ellersiek. "Influence of metal working fluid on chip formation and mechanical loads in orthogonal cutting." International Journal of Advanced Manufacturing Technology 118, no. 9-10 (2021): 3005–13. http://dx.doi.org/10.1007/s00170-021-08164-2.

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AbstractMetal working fluids are used in machining processes of many hard-to-cut materials to increase tool life and productivity. Thereby, the metal working fluids act on the thermal and on the mechanical loads of the tool. The changing mechanical loads can mostly be attributed to the changing friction between rake face and chip and changes in the chip formation, e.g., the contact length between rake face and chip. However, analyzing those effects is challenging, since a detailed look at the chip formation process is prevented by the metal working fluid. In this paper, a novel planing test ri

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18

Gaifullin, Ilnur I., Alexander M. Plaksin, and Valery Y. Piunov. "Influence of physical and chemical properties of cutting fluids on the cutting force of the cutting process." Siberian Aerospace Journal 24, no. 2 (2023): 385–95. http://dx.doi.org/10.31772/2712-8970-2023-24-2-385-395.

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The problem of providing increased accuracy without sacrificing productivity is encountered in almost all machine-building enterprises. cutting fluids affect the entire process of blade processing: they remove heat from the surface of the cutting tool, form an additional surface between the surfaces of the cutting tool and the workpiece, and affect the juvenile surfaces of the workpiece by means of a wedging action. The positive effect of cutting fluids is achieved only if they are rationally chosen. Currently, the choice of technological environments is based on some legislative standards of

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19

Reddy, G. Gowtham, Balasubramaniyan Singaravel, and K. Chandra Shekar. "Experimental Investigation of Sunflower Oil as Dielectric Fluid in Die Sinking Electric Discharge Machining Process." Materials Science Forum 969 (August 2019): 715–19. http://dx.doi.org/10.4028/www.scientific.net/msf.969.715.

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Electric Discharge Machining (EDM) is used to machine complex geometries of difficult to cut materials in the area of making dies, mould and tools. Currently, hydrocarbon based dielectric fluids are used in EDM and which plays major role for material removal and it emits harmful emission. In this work, vegetable oil is attempted as dielectric fluid and their performance are studied during processing of AISI P20 steel. The effect of pulse on time (Pon) , pulse off time (Poff), and current (A) on Material Removal Rate (MRR), Tool wear rate (TWR) and surface roughness (SR) are analyzed. The resul

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Muratova, Samal, Boranbay Ratov, Volodymyr Khomenko, Oleksandr Pashchenko, and Oleksandr Kamyshatskyi. "Improvement of the methodology for measuring plastic viscosity and dynamic shear stress of drilling fluids." IOP Conference Series: Earth and Environmental Science 1491, no. 1 (2025): 012026. https://doi.org/10.1088/1755-1315/1491/1/012026.

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Abstract This article focuses on developing a methodology for measuring the rheological properties of drilling fluids using the Marsh funnel, an essential tool for analyzing drilling fluids. The primary objective is to determine plastic viscosity and dynamic shear stress based on apparent viscosity measurements, facilitating the assessment of fluid behavior under mechanical loads. The study systematically analyzes scientific and technical literature on determining the rheological properties of fluids, particularly drilling fluids. A detailed analysis of the flow process in the Marsh funnel exa

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Liu, Xingran, Xianpeng Sun, Jinhong He, et al. "Study on the Influence of Working-Fluid’s Thermophysical Properties on the Stirring-Heating." Energies 15, no. 13 (2022): 4835. http://dx.doi.org/10.3390/en15134835.

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The thermophysical properties of a working-fluid play an important role in the process of stirring-heating. The heating process of stirring is accompanied by two processes: the friction between the solid mechanism and the working-fluid and the viscous dissipation of the working liquid. Traditionally, the sensible heat of water-based working-fluids is low, while that of oil-based working-fluids is higher, but the load capacity is relatively low. In order to find a balance between the two, an optimal stirring working-fluid should be selected. In this study, an experimental method was used to stu

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Szydło, Zbigniew, and Marcin Szczech. "Investigation of Dynamic Magnetic Fluid Seal Wear Process in Utility Water Environment." Key Engineering Materials 490 (September 2011): 143–55. http://dx.doi.org/10.4028/www.scientific.net/kem.490.143.

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Serious problems arise when the magnetic fluid seal technology is needed to use in assemblies working in water or other liquid environment. Some efforts have been up to time made to design hybrid, two stage sealing structures with shields or mechanical seals used as protection measures to the magnetic fluid seal. Anyway, earlier or later there is always problem with direct contact between magnetic fluid and the environmental liquid. In the paper are presented results of experiments carried out with one stage rotating magnetic fluid seal operating in an direct contact with utility water. The sp

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23

Rymarczyk, Agnieszka, Krystyna Mędrzycka, and Renata Tomczak-Wandze. "Selection of cutting and washing fluids as a method of waste minimization." Polish Journal of Chemical Technology 9, no. 3 (2007): 143–46. http://dx.doi.org/10.2478/v10026-007-0075-y.

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Selection of cutting and washing fluids as a method of waste minimization The results of the corrosion test for washing and cutting fluids used in the process of gear-shafts production are presented. The test has been performed according to the DIN 51360-2 (Ford-test) and the PN-92/M-55789 procedures. Three cutting fluids and three washing fluids were chosen and their solutions in tap water (used in practice in the company) were investigated. On the basis of the obtained results it has been stated that the lower the fluid concentration, the stronger corrosion is developed. The concentrations r

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Gonçalves, D. M., L. E. A. Sanchez, and S. A. Verdério Júnior. "CORRELATION BETWEEN LEIDENFROST TEMPERATURE, COOLING CAPACITY AND MACHINING TEMPERATURE: AN EXPERIMENTAL STUDY OF CUTTING FLUIDS." Revista de Engenharia Térmica 20, no. 3 (2021): 10. http://dx.doi.org/10.5380/reterm.v20i3.83264.

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Much of the energy consumed by machining materials is converted into heat, which causes several technical and economic problems for the process. The cutting fluid application by the conventional method forms a vapor film of low thermal conductivity, which prevents direct contact between the fluid and the heated surface; the so-called Leidenfrost effect, which reduces cooling efficiency. Studies of this phenomenon applied to the machining of materials are still very restricted and scarce. In this sense, the present work experimentally studied the correlation of parameters Leidenfrost temperatur

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ALHUSSAN, KHALED. "METHOD OF ENERGY TRANSFER." Modern Physics Letters B 19, no. 28n29 (2005): 1663–66. http://dx.doi.org/10.1142/s0217984905010165.

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The aim of this paper is to show numerically the semi-ideal way of transferring energy in the non-steady supersonic mechanism. Energy can be transferred between two fluids in semi-ideal process if the two fluids are brought together for a direct contact. This paper shows the energy transfer between two fluids via the direct fluid-fluid interaction in a non-steady supersonic flow. This was shown by using two fluids one with higher energy than the other. Results including contour plots of static pressure, static temperature, and total pressure and velocity vectors show the structure of flow of t

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Li, Yun Chao, Yu Hua Zhang, and Bo Sun. "High Speed Dry Cutting Technology Applications in Production." Applied Mechanics and Materials 190-191 (July 2012): 93–96. http://dx.doi.org/10.4028/www.scientific.net/amm.190-191.93.

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Green cutting processing technology is a kind of full consideration of the environmental and resource issues processing techniques, It requires throughout the process do to the environment pollution to the minimum and the utilization rate of the highest. In the machining process without any cutting fluid of dry cutting is control environmental pollution source of a green manufacturing process, it can have clean scraps, no pollution, save the cutting fluid and the processing of costs, can further reduce the production cost. Therefore, the future direction of the cutting process is not or with a

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Pimenov, Yu M., I. V. Poplavskii, and A. V. Ulit'ko. "Modelling of Working Fluids Degradation Process in Aviation Hydraulic Systems." Chemistry and Technology of Fuels and Oils 637, no. 3 (2023): 19–27. http://dx.doi.org/10.32935/0023-1169-2023-637-3-19-27.

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Modelling of working fluids degradation process in aviation hydraulic systems performed on the basis of well-knownin chemmotology objective laws; it includes construction of structural-functional, physical (conditions) and mathematical models of the process. Modelling allows to not only quantitatively examine the dynamics of working fluids destruction process, but also to forecast hydraulic system performance characteristics considering influence of fluids composition and operational conditions.Some illustrations of modelling results with regards to hydraulic fluids viscosity and acidity numbe

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Аленькин, И. А., and Р. Р. Закиров. "Interference of fracking fluids and process liquids." Нефтяная провинция, no. 1(37) (March 30, 2024): 215–28. http://dx.doi.org/10.25689/np.2024.1.215-228.

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В работе исследовано влияние ионного состава технологических жидкостей, применяемых в скважине на повторное сшивание жидкостей ГРП после их деструкции. Результаты показали важность учета "вторичного сшивания" при планировании и проведении операций ГРП, а также необходимость исследований совместимости используемых в скважине жидкостей. Эксперименты выявили, что жидкость ГРП на пресной воде при взаимодействии с жидкостью глушения с добавлением облагораживающих компонентов обладает потенциалом к вторичной сшивке. «Вторичная сшивка» сопровождается ростом вязкости системы, которая происходит при вз

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Bakalova, Totka, Petr Louda, Lukáš Voleský, Karolína Borůvková, and Lucie Svobodová. "Nanoadditives SiO2 and TiO2 in Process Fluids." Manufacturing Technology 15, no. 4 (2015): 502–8. http://dx.doi.org/10.21062/ujep/x.2015/a/1213-2489/mt/15/4/502.

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Zajac, Jozef, Dušan Mitaľ, and Peter Michalik. "Verification of Process Fluids in Mass Production." Key Engineering Materials 581 (October 2013): 554–59. http://dx.doi.org/10.4028/www.scientific.net/kem.581.554.

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The paper presents fundamental problems of development of processing medias for a chip removal technology, technology of forming operations and cleaning technology. The 4th parts of the paper presents about a trends of operating of metalworking fluids.

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Balan, Catalin Mihai, Diana Broboana, and Corneliu Balan. "Mixing process of immiscible fluids in microchannels." International Journal of Heat and Fluid Flow 31, no. 6 (2010): 1125–33. http://dx.doi.org/10.1016/j.ijheatfluidflow.2010.06.008.

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Gullu Jabbarova, Gullu Jabbarova, and Sadig Abbaszade Sadig Abbaszade. "MODELLING OF DEEP WELL CEMENTING PROCESS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 37, no. 02 (2024): 06–15. http://dx.doi.org/10.36962/pahtei37022024-06.

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The research aims to simulate Managed Pressure Cementing (MPC) for a deepwater field, focusing on optimizing the cementing process to ensure structural integrity and wellbore stability. The study addresses the challenges associated with conventional cementing methods, providing insights into the pressure dynamics, fluid properties, and pump performance crucial for deep well cementing operations. The methodology involves conducting a simulation to model the cementing process for a deep well with a total length of 9144 meters, where the previous casing's shoe is located at a depth of 6096 meters

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LATT, JONAS, DIMITRIOS KONTAXAKIS, LAURENT CHATAGNY, FELIX MUGGLI, and BASTIEN CHOPARD. "HYBRID LATTICE BOLTZMANN METHOD FOR THE SIMULATION OF BLENDING PROCESS IN STATIC MIXERS." International Journal of Modern Physics C 24, no. 12 (2013): 1340009. http://dx.doi.org/10.1142/s0129183113400093.

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A lattice Boltzmann method is proposed to simulate the blending of two fluids in static, laminar mixers. The method uses a mesh-based algorithm to solve for the fluid flow, and a meshless technique to trace the interface between the blended fluids. This hybrid approach is highly accurate, because the position of the interface can be traced beyond the resolution of the grid. The numerical diffusion is negligible in this model, and it is possible to reproduce mixing patterns that contain more than one hundred striations with high fidelity. The implementation of this method in the massively paral

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Arifuddin, A., A. A. M. Redhwan, A. M. Syafiq, S. Zainal Ariffin, A. R. M. Aminullah, and W. H. Azmi. "Effectiveness of hybrid Al2O3-TiO2 nano cutting fluids application in CNC turning process." Archives of Materials Science and Engineering 117, no. 2 (2022): 70–78. http://dx.doi.org/10.5604/01.3001.0016.1777.

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The purpose of this study is to evaluate the effectiveness of hybrid Al2O3-TiO2 nano-cutting fluid in the turning process application under the selected significant machining parameters consisting of nano concentration, depth of cut and feed rate. The preparation of aqueous hybrid Al2O3-TiO2 water-based nano-cutting fluids and their application as the cutting fluid in turning operations are undertaken. The Al2O3-TiO2 hybrid nano-cutting fluids were prepared through a one-step method; by dispersing nanoparticles of Al2O3 (average diameter 30 nm) and TiO2 (average diameter 30-50 nm) in CNC coola

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Tayeb, Naas Toufik, Mahammedi Abdelkader, and Chati Tounsi. "Evolution of Entropy Generation on Mixing Process Using a Novel Chaotic Micromixer." All Sciences Abstracts 1, no. 2 (2023): 20. http://dx.doi.org/10.59287/as-abstracts.1210.

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This study aims to compare numerically the laminar steady flow of shear-thinning non Newtonian fluids in novel chaotic micromixer. The process is verified for non-Newtonian flow in a complex geometry that is heated with a constant flux. The selected geometry produce secondary flow structures that greatly improve fluid dynamic performance. To measure this performance, the Poincaré map method is used for various cases of fluid power-law index in different geometries. In addition, thermal mixing behavior is studied for shear-thinning fluids in the chosen geometry with two different inlet temperat

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Chen, Lin, Rui Zhang, Yuki Kanda, Dipankar N. Basu, Atsuki Komiya, and Haisheng Chen. "Asymptotic analysis of boundary thermal-wave process near the liquid–gas critical point." Physics of Fluids 34, no. 3 (2022): 036102. http://dx.doi.org/10.1063/5.0086516.

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The role of near-critical properties has been considered as key point for the understanding of transient origins of fluid transport physics, especially in the boundary layers. Asymptotic model analysis with modified governing equations of the fluid has been utilized to study the characters of near-critical fluids subjected to a temperature pulse, under different boundary conditions: thermostatic or insulated. The asymptotic solutions show that the boundary layers are mainly governed by the diffusion effect (sensitive to spatial gradients) while exhibiting the wave character in bulk. When a sma

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Charykov, V. I., S. A. Sokolov, and A. A. Evdokimov. "Resource-saving technology and technical devices for restoring of operational features of lubricating and cooling fluids." Traktory i sel hozmashiny 83, no. 3 (2016): 33–36. http://dx.doi.org/10.17816/0321-4443-66146.

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Today, one of the main tasks is to develop and create resource-saving machines and technologies for cleaning of lubricating and cooling fluids. The subjects of research are regularities of processes of cleaning of these fluids from metal magnetic particles in an electromagnetic separator, development of technical means and technologies of the electromagnetic cleaning of lubricating and cooling fluids. Existing techniques and methods for cleaning of lubricating and cooling fluids are very energy-intensive. They require complex and expensive installations, have low productivity and do not allow

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Esmaeilpour, Morteza, and Maziar Gholami Korzani. "Analyzing Impacts of Interfacial Instabilities on the Sweeping Power of Newtonian Fluids to Immiscibly Displace Power-Law Materials." Processes 9, no. 5 (2021): 742. http://dx.doi.org/10.3390/pr9050742.

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Injection of Newtonian fluids to displace pseudoplastic and dilatant fluids, governed by the power-law viscosity relationship, is common in many industrial processes. In these applications, changing the viscosity of the displaced fluid through velocity alteration can regulate interfacial instabilities, displacement efficiency, the thickness of the static wall layer, and the injected fluid’s tendency to move toward particular parts of the channel. The dynamic behavior of the fluid–fluid interface in the case of immiscibility is highly complicated and complex. In this study, a code was developed

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Chen, X. B. "Time-Dependent Rheological Behavior of Fluids For Electronics Packaging." Journal of Electronic Packaging 127, no. 4 (2005): 370–74. http://dx.doi.org/10.1115/1.2056568.

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In electronics packaging, one of the key processes is dispensing fluid materials, such as adhesive, epoxy, encapsulant, onto substrates or printed circuit boards for the purpose of surface mounting or encapsulation. In order to precisely control the dispensing process, the understanding and characterization of the flow behavior of the fluid being dispensed is very important, as the behavior can have a significant influence on the dispensing process. However, this task has proven to be very challenging due to the fact that the fluids for electronics packaging usually exhibit the time-dependent

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Ibrahim Mammadov, Geylani Panahov, Sayavur Bakhtiyarov, and Parviz Museibli. "Investigation of the Effect of Mutual Diffusion on Hydrodynamic Parameters under Fluid Displacement." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 118, no. 1 (2024): 39–51. http://dx.doi.org/10.37934/arfmts.118.1.3951.

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Formation of stagnant zones in a reservoir is mainly determined by differences in the flow velocity of fluids in heterogeneous micro and macro porous media. Additional resistance forces to fluid flow, which are of a different nature, result in a decrease in flow velocity. Forces arising from the diffusion of fluids with different physical-chemical characteristics and acting in different directions are one such class of the above-mentioned drag forces. An increase in the degree of fluid mineralization is capable of causing changes in the flow of a continuous diffusion layer. The mathematical so

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Manshev, D., та E. Safronova. "ОБОСНОВАНИЕ МЕТОДИЧЕСКОГО ПОДХОДА К ОЦЕНКЕ СТАБИЛЬНОСТИ ЭКСПЛУАТАЦИОННЫХ СВОЙСТВ ГИДРАВЛИЧЕСКИХ ЖИДКОСТЕЙ ПРИ ПРИМЕНЕНИИ В ВОЕННОЙ АВИАЦИОННОЙ ТЕХНИКЕ". EurasianUnionScientists 7, № 11(80) (2020): 40–47. http://dx.doi.org/10.31618/esu.2413-9335.2020.7.80.1140.

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The analysis of design features of the Il-76 TD aircraft hydraulic system and operating modes of working fluids in the system are given; similarity conditions of himmotological system is named “Hydraulic fluid – hydraulic system – operating conditions” are justified. It is proposed to use physical modeling to assess and predict the stability of working fluids properties in process what are used in the hydraulic system. Similarity criteria are obtained and calculated. It is given fundamental technological scheme and description of developed hydraulic bench as a physical model what allows to var

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Papp, R., and S. J. Fisher. "DRILLING FLUIDS AND THEIR ENVIRONMENTAL MANAGEMENT: CHARACTERISATION OF BASE FLUIDS AND THE INTRODUCTION OF QUALITY CONTROL PROCEDURES." APPEA Journal 39, no. 1 (1999): 628. http://dx.doi.org/10.1071/aj98042.

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Since the early 1990s, a variety of invert emulsion base fluids have been introduced into the drilling fluid market. The chemical composition of these fluids has evolved with the focus on minimising the environmental impact of discharged cuttings that contain adhered drilling fluids.The trend within Australia and other regions in which drilling fluids are extensively used, is that the life span of these fluids has become increasingly shorter, due to environmental impact pressures from the regulatory authorities in the North Sea and Australia, as well as public perception within these regions.T

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Mazlan, Saiful Amri, Ahmed Issa, and Abdul Ghani Olabi. "Magnetorheological Fluids Behaviour in Tension Loading Mode." Advanced Materials Research 47-50 (June 2008): 242–45. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.242.

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In this paper, the behaviours of three types of MR fluids under quasi-static loadings in tension mode were investigated. One type of water-based and two types of hydrocarbon-based MR fluids were activated by a magnetic field generated by a coil using a constant value of DC electrical current. Experimental results in terms of stress-strain relationships showed that the MR fluids had distinct unique behaviours during the tension process. A high ratio of solid particles to carrier liquid in the MR fluid is an indication of high magnetic properties. The water-based MR fluid had a relatively large

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Caimmi, R. "R fluids." Serbian Astronomical Journal, no. 176 (2008): 23–35. http://dx.doi.org/10.2298/saj0876023c.

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A theory of collisionless fluids is developed in a unified picture, where nonrotating (?f1 = ?f2 = ?f3 = 0) figures with some given random velocity component distributions, and rotating (?f1 = ?f2 = ?f3 ) figures with a different random velocity component distributions, make adjoint configurations to the same system. R fluids are defined as ideal, self-gravitating fluids satisfying the virial theorem assumptions, in presence of systematic rotation around each of the principal axes of inertia. To this aim, mean and rms angular velocities and mean and rms tangential velocity components are expre

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Habiby, M. Nuril Anwar. "AN OVERVIEW OF PREPARATION AND PROPERTIES OF NANOFLUID AS CUTTING FLUID USING VEGETABLE OIL FOR SUSTAINABLE MACHINING PROCESS." International Journal of Mechanical Engineering Technologies and Applications 6, no. 1 (2025): 58–82. https://doi.org/10.21776/mechta.2025.006.01.6.

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Machining processes such as turning, milling, drilling and grinding are currently required to be environmentally friendly, including cutting fluids whose function is to reduce friction, wear and corrosion. Mineral oil is a cutting fluid that is widely used in the manufacturing industry, but the problem is that it is nondegradable and the raw material has the potential to run out. Therefore, this review article aims to discuss a literature review regarding the solution to this problem, namely the use of nanofluids as cutting fluids made from vegetable oil because not much has been discussed in

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Pendyala, Rajashekhar, Suhaib Umer Ilyas, and Yean Sang Wong. "Heat Transfer Performance of Different Fluids During Natural Convection in Enclosures with Varying Aspect Ratios." E3S Web of Conferences 287 (2021): 03010. http://dx.doi.org/10.1051/e3sconf/202128703010.

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The heat transfer process takes place in numerous applications through the natural convection of fluids. Investigations of the natural convection heat transfer in enclosures have gained vital importance in the last decade for the improvement in thermal performance and design of the heating/cooling systems. Aspect ratios (AR=height/length) of the enclosures are one of the crucial factors during the natural convection heat transfer process. The investigated fluids consisting of air, water, engine oil, mercury, and glycerine have numerous engineering applications. Heat transfer and fluid flow cha

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Radhiyah, A. A., and K. Jun Li. "Mini review of carbon based additive in machining lubricant." Journal of Modern Manufacturing Systems and Technology 4, no. 2 (2020): 61–65. http://dx.doi.org/10.15282/jmmst.v4i2.5263.

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Milling process is a major machining process used in various type of industries. This process is used to manufacture components such as impellers and structural parts in aerospace industry. Several problems can be arising during the machining operation because 99% of work done produces heat to the chip, the tool and also the workpiece . The temperature of the tool may rise up to 1000oC and this could lead to accelerate the tool wear rate and also the finishing of the surface of the workpiece. In order to improvise this phenomenon, various type of cutting fluid is used in milling operation to u

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Janocha, H., B. Rech, and R. Bölter. "PRACTICE-RELEVANT ASPECTS OF CONSTRUCTING ER FLUID ACTUATORS." International Journal of Modern Physics B 10, no. 23n24 (1996): 3243–55. http://dx.doi.org/10.1142/s0217979296001690.

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The flow resistance of electrorheological fluids (ER fluids) can be controlled by applying electric fields. Thus, ER fluids are suitable for the application in actuators, using high-voltage sources for the generation of the field. The behaviour of an ER fluid actuator not only depends on the properties of the individual actuator components (ER fluid, energy transducer and energy source) but especially on their combined efforts as a system. Based on a possible scheme for the design of ER fluid actuators, this paper presents important practice-relevant aspects of a systematic actuator constructi

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Phulé, Pradeep P. "Synthesis of Novel Magnetorheological Fluids." MRS Bulletin 23, no. 8 (1998): 23–25. http://dx.doi.org/10.1557/s0883769400030773.

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This article focuses on the synthesis and processing of novel magnetorheological (MR) fluids. The process for preparing MR fluids typically involves introducing magnetic particles into base liquid under low shear conditions. This is followed by ball milling in the fluid with zirconia (ZrO2) grinding media for about 24 h. High-purity carbonyi iron (Fe) powders have been used for the synthesis of ironbased MR fluids while the ferrite-based MR fluids used magnetic manganesezinc ferrite and nickel-zinc ferrite powders.Typical volume fractions of the magnetic phase that lead to MR fluids with respe

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Fu, Qiang, Jie Tian, Yongfei Liu, Zhilin Qi, Hongmei Jiao, and Shenyao Yang. "Comparison of the Reaction Characteristics of Different Fuels in the Supercritical Multicomponent Thermal Fluid Generation Process." Energies 17, no. 21 (2024): 5376. http://dx.doi.org/10.3390/en17215376.

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Supercritical multicomponent thermal fluid technology is a new technology with obvious advantages in offshore heavy oil recovery. However, there is currently insufficient understanding of the generation characteristics of the supercritical multicomponent thermal fluid, which is not conducive to the promotion and application of this technology. In order to improve the economic benefits and applicability of the supercritical multicomponent thermal fluid thermal recovery technology, this article reports on indoor supercritical multicomponent thermal fluid generation experiments and compares the r

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