Bibliografías temáticas / Hydraulic fluids contamination

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Literatura académica sobre el tema "Hydraulic fluids contamination"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 20 de febrero de 2023

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Artículos de revistas sobre el tema "Hydraulic fluids contamination"

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Paul, Sumit, Wolfgang Legner, Angelika Krenkow, Gerhard Müller, Thierry Lemettais, Francois Pradat, and Delphine Hertens. "Chemical Contamination Sensor for Phosphate Ester Hydraulic Fluids." International Journal of Aerospace Engineering 2010 (2010): 1–9. http://dx.doi.org/10.1155/2010/156281.

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The paper deals with chemical contamination monitoring in phosphate-ester-based hydraulic fluids using nondispersive infrared (NDIR) optical absorption. Our results show that NDIR monitoring allows detecting the take-up of water into such fluids and their hydrolytic disintegration as these become additionally stressed by Joule heating. Observations on the O–H stretching vibration band (3200–3800 ) are used for determining the free water content (0–1.5%) and the Total Acid Number (0–1 mgKOH/g). Both quantities can be assessed by monitoring the strength and the asymmetry of the O–H vibration ban
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Aliboyev, B. A. "Reliability of tractor hydraulic systems in the context of purity of power fluid." Traktory i sel hozmashiny 82, no. 6 (June 15, 2015): 26–29. http://dx.doi.org/10.17816/0321-4443-65416.

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The article is dedicated to review and analysis of control and estimation methods of power fluid purity in order to provide reliability of tractor hydraulic systems. It highlights the results of experimental studies concerning contamination of hydraulic system fluids. Comparative analysis of foreign standards of hydraulic system fluids control is performed.
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Majdan, R., Z. Tkáč, B. Stančík, R. Abrahám, I. Štulajter, P. Ševčík, and M. Rášo. "Elimination of ecological fluids contamination in agricultural tractors." Research in Agricultural Engineering 60, Special Issue (December 30, 2014): S9—S15. http://dx.doi.org/10.17221/27/2013-rae.

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This contribution presents the elimination of pollution for ecological fluids of UTTO (universal tractor transmission oils) type in agricultural tractors. The common oil filling of the transmission and hydraulic system is polluted by residues of old fillings from attachments such as ploughs, trailers, etc. In the tractor Zetor Forterra 114 41, a newly developed synthetic ecological fluid HEPR (VDMA 24568) was applied. The oil showed pollution limits after completing 900 engine hours. For this reason, a filtration device was designed to clean mainly biodegradable fluids UTTO. On the basis of fl
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Main, B. G. "Explosion Hazards in Offshore Motion Compensators." Proceedings of the Institution of Mechanical Engineers, Part A: Power and Process Engineering 199, no. 4 (November 1985): 229–35. http://dx.doi.org/10.1243/pime_proc_1985_199_029_02.

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Auto-ignition data for phosphate ester hydraulic fluids and explosion initiators in high pressure hydraulic/pneumatic motion compensators are reviewed. Data obtained in this study highlight the potential increased danger due to contamination of fire-resistant fluids.
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SCHOLZ, Dieter. "Routes of Aircraft Cabin Air Contamination from Engine Oil, Hydraulic and Deicing Fluid." INCAS BULLETIN 14, no. 1 (March 7, 2022): 153–70. http://dx.doi.org/10.13111/2066-8201.2022.14.1.13.

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Purpose: This paper discusses potential contamination of the air in passenger aircraft cabins. It gives an overview of cabin air contamination basics. It further names possible contamination sources and possible routes of contamination. – Methodology: Evidence follows from a review of material found on the Internet and from the documentation of a visit to an aircraft recycling site. Parts were retrieved at the site and investigated later with more time. – Findings: Jet engine seals leak oil in small quantities. Metallic nanoparticles are found in the oil and have been detected in human fatty t
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Kučera, Marián, Zdeněk Aleš, Jan Mareček, and Pavel Máchal. "Effect of Contamination on the Lifetime of Hydraulic Oils and Systems." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, no. 4 (2017): 1205–12. http://dx.doi.org/10.11118/actaun201765041205.

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The extensions of service‑lives regarding hydraulic fluids is gaining prominence due to several considerations including environmental pollution, conservation of natural resources and the economic benefits associated with extended service‑life. The presented methods for testing the durability and oxidation stabilities of hydraulic fluids can be simultaneously used in two ways. Firstly for comparing different hydraulic biooils and for selecting more adequate oils with higher oxidation stabilities and longer service lifetimes and secondly for the development of a prognostic model for an accurate
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Owens, E. H., G. H. Smith, and I. A. Reading. "An instrument for measurement of water contamination in hydraulic fluids." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 221, no. 2 (February 2007): 167–70. http://dx.doi.org/10.1243/09544070jauto457.

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Theissen, Heinrich W., David G. Holt, David K. Wills, and S. W. Dean. "Effects of Contamination of Biobased Hydraulic Fluids with Mineral Oil." Journal of ASTM International 6, no. 1 (2009): 101598. http://dx.doi.org/10.1520/jai101598.

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Hunt, T. M. "Particle contamination and filtration of hydraulic fluids, lubricants and fuels." Tribology International 21, no. 5 (October 1988): 297–98. http://dx.doi.org/10.1016/0301-679x(88)90012-6.

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Janoško, I., T. Polonec, and S. Lindák. "Performance parameters monitoring of the hydraulic system with bio-oil." Research in Agricultural Engineering 60, Special Issue (December 30, 2014): S37—S43. http://dx.doi.org/10.17221/32/2013-rae.

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In environmental terms, hydraulic fluids used in the hydraulic system of municipal vehicles represent problems related to a potential leakage from the system into the environment and the subsequent contamination of groundwater and soil. More environment-friendly way is to use green hydraulic fluids that are biodegradable in accidents. This paper aims to investigate the possibilities of biodegradable oil application and its adaptation in the hydraulic systems of municipal vehicles by monitoring the impact of the bio-oil Mobil EAL 46 ESSO on the performance parameters as flow, efficiency, durabi
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Tesis sobre el tema "Hydraulic fluids contamination"

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Agars, Robert C., University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "Assessment of the potential environmental effects of soluble hydraulic oil on natural waters." THESIS_CSTE_SFH_Agars_R.xml, 2001. http://handle.uws.edu.au:8081/1959.7/249.

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A series of physical and chemical analyses were conducted over a fifteen month period to establish the ecological risk, if any, of discharging minewater into aquatic ecosystems. Organic and inorganic analyses were used to determine the extent of contamination of minewater with soluble hydraulic fluids and other contaminant species. Throughout the sampling period the pithead discharge water exhibited a neutral pH and low levels of iron, manganese, zinc and potassium were found. Parallel toxicological and chemical studies identified elevated zinc levels above published toxicity levels for the te
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Agars, Robert C. "Assessment of the potential environmental effects of soluble hydraulic oil on natural waters." Thesis, [Richmond, N.S.W.] : Centre for Electrochemical Research and Analytical Technology, School of Science, Food and Horticulture, University of Western Sydney, 2001. http://handle.uws.edu.au:8081/1959.7/249.

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A series of physical and chemical analyses were conducted over a fifteen month period to establish the ecological risk, if any, of discharging minewater into aquatic ecosystems. Organic and inorganic analyses were used to determine the extent of contamination of minewater with soluble hydraulic fluids and other contaminant species. Throughout the sampling period the pithead discharge water exhibited a neutral pH and low levels of iron, manganese, zinc and potassium were found. Parallel toxicological and chemical studies identified elevated zinc levels above published toxicity levels for the te
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Fletcher, Sarah Marie. "Risk assessment of groundwater contamination from hydraulic fracturing fluid spills in Pennsylvania." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/72885.

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Thesis (S.M. in Technology and Policy)-- Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 109-115).<br>Fast-paced growth in natural gas production in the Marcellus Shale has fueled intense debate over the risk of groundwater contamination from hydraulic fracturing and the shale gas extraction process at large. While several notable incidents of groundwater contamination near shale gas wells have been investigated, the exact causes are uncertain and widely
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Zampaulo, Amarildo José. "Uma abordagem do problema de contaminação de sistemas de transmissão por fluidos e o controle através da técnica de contagem de partículas." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/18/18150/tde-07022017-105608/.

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O avanço tecnológico tem proporcionado à indústria em geral desenvolver e fabricar produtos mais sofisticados em todos os campos da ciência. Não distante dessa realidade, a indústria da mobilidade também vem incorporando, através de projetos arrojados, as novas tecnologias em seus produtos, respondendo, assim, às necessidades e expectativas de seus clientes, que exigem produtos com maior produtividade e disponibilidade para trabalho. Essas tecnologias estão relacionadas com os sistemas de transmissão de força por fluidos, através da introdução de válvulas eletro-hidráulicas e também pela reduç
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Muttenthaler, Lukas, and Bernhard Manhartsgruber. "Optimizing hydraulic reservoirs using euler-eulerlagrange multiphase cfd simulation." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71100.

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Well working hydraulic systems need clean hydraulic oil. Therefore, the system must ensure the separation of molecular, gaseous, liquid and solid contaminations. The key element of the separation of contaminants is the hydraulic reservoir. Solid particles are a major source of maintenance costs and machine downtime. Thus, an Euler-Euler-Lagrange multiphase CFD model to predict the transport of solid particles in hydraulic reservoirs was developed. The CFD model identifies and predicts the particle accumulation areas and is used to train port-to-port transfer functions, which can be used in sys
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Taher, Dang Koo Reza. "Numerical modelling of single- and multi-phase flow and transport processes in porous media for assessing hydraulic fracturing impacts on groundwater resources." Thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-13B9-5.

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Libros sobre el tema "Hydraulic fluids contamination"

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Timirkeev, R. G. Promyshlennai͡a︡ chistota i tonkai͡a︡ filʹtrat͡s︡ii͡a︡ rabochikh zhidkosteĭ letatelʹnykh apparatov. Moskva: Mashinostroenie, 1986.

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Qunzhang, Tu, Cheng Jianhui, and Gong Liehang, eds. Ye ya xi tong wu ran kong zhi. Beijing Shi: Guo fang gong ye chu ban she, 2010.

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Association of Hydraulic Equipment Manufacturers. Guidelines to contamination control in hydraulic fluid power systems. London: A.H.E.M., 1985.

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Canada. Defence Research Establishment Atlantic. Analysis of Mil-L-23699C Synthetic Lubricant Contamination of 3-gp-26ma Hydraulic Fluid by Gas Chromatography-Mass Spectrometry. S.l: s.n, 1987.

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Hydraulic system contamination bibliography. London: Published on behalf of BHRA Fluid Engineering Centre by Elsevier Applied Science Publishers, 1988.

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Khalil, Medhat. Hydraulic Systems Volume 3: Hydraulic Fluids and Contamination Control. COMPUDRAULIC LLC, 2019.

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Association, British Fluid Power, ed. Guidelines to contamination control in hydraulic fluid power systems. London: BFPA, 1987.

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Association of Hydraulic Equipment Manufacturers Limited. Technical Committee E1: Contamination Control. Guidelines to contamination control in hydraulic fluid power systems. Association of Hydraulic Equipment Manufacturers Limited, 1985.

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Capítulos de libros sobre el tema "Hydraulic fluids contamination"

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Hodges, Peter Keith Brian. "Contamination." In Hydraulic Fluids, 120–25. Elsevier, 1996. http://dx.doi.org/10.1016/b978-034067652-3/50018-x.

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"- Control and Management of Particle Contamination in Hydraulic Fluids." In Handbook of Hydraulic Fluid Technology, 236–73. CRC Press, 2011. http://dx.doi.org/10.1201/b11225-10.

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Actas de conferencias sobre el tema "Hydraulic fluids contamination"

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Deuster, Sebastian, and Katharina Schmitz. "Bio-Based Hydraulic Fluids in Mobile Machines: Substitution Potential in Construction Projects." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1636.

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Abstract This paper deals with the hydraulic oil consumption of mobile working machines. Different mobile working machines are going to be investigated by setting out their hydraulic oil consumption per hour. The substitutable amount of mineral by bio-based hydraulic oil is examined by an exemplary calculation for a construction project. The observations are intended to establish the working medium bio-based hydraulic oil on the lubricants market and to increase its use quantities, especially for mobile machines, with regard to environmental protection. Environmentally friendly lubricants and
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Novak, Nejc, Rok Jelovčan, and Franc Majdič. "Development of portable filtration unit with self-diagnostics for industrial use." In International conference Fluid Power 2021. University of Maribor Press, 2021. http://dx.doi.org/10.18690/978-961-286-513-9.21.

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It is well known that contamination of fluids shortens the life of hydraulic systems. Sometimes the necessary operating conditions (high pressures and high flow rates) make adequate filtration in the suction, working, or return lines through the filter difficult because it would interfere with the work process. A high cleanliness of the oil can be achieved with a so-called "bypass" filtration, which is part of the whole hydraulic device with its own circuit. Another way to ensure fluid cleanliness is to filter the hydraulic fluid with a portable filtration unit, which is the main topic of this
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Olivares, Tulio Daniel, Walid Al-Zahrani, Chidiebere Anioke, and Wafa Saeed Sultan Aldarini. "Navigate Narrow Pressure Windows with Superior Performance and Minimal Risk Using Flat Rheology Oil-Based Drilling Fluids." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211746-ms.

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Abstract The objective of this paper is to present the added value and superior performance of Flat Rheology Oil-Based Drilling Fluid (FROBDF) utilization across Narrow Pressure Windows and very challenging wellbore stability conditions. The FROBDF was able to mitigate the high potential chances of induced losses, wellbore collapse and resulted in reduced non-productive time (NPT) associated with successful trips, liner runs, barite sagging avoidance and no wellbore stability issues. Multiple formulations were evaluated during the design of the low pressure-impact FROBDF to meet operation requ
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Longhitano, Marco, and Hubertus Murrenhoff. "Experimental Investigation of Air Bubble Behaviour in Stagnant Mineral Oils." In ASME/BATH 2015 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/fpmc2015-9520.

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Air contamination in hydraulic fluids strongly affects the performance of fluid power systems. It can cause various problems such as component damage, fluid degradation, noise production and poor system response. In recent years, in order to improve the design of hydraulic systems, multiphase CFD models have been discussed in the literature. These include Euler-Euler and Euler-Lagrangian approaches. They are based on a set of empirical correlations, which describe the air behaviour in a liquid. These empirical parameters are unknown for hydraulic fluids. In this paper, an experimental study of
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Ferrar, Joseph, Philip Maun, Kenneth Wunch, Joseph Moore, Jana Rajan, Jon Raymond, Ethan Solomon, and Matheus Paschoalino. "High Pressure, High Temperature Bioreactors as a Biocide Selection Tool for Hydraulically Fractured Reservoirs." In SPE Hydraulic Fracturing Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204198-ms.

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Abstract We report the design, operation and biogenic souring data from a first-of-its kind suite of High Pressure, High Temperature (HPHT) Bioreactors for hydraulically fractured shale reservoirs. These bioreactors vet the ability of microbial control technologies, such as biocides, to prevent the onset of microbial contamination and reservoir souring at larger experimental volumes and higher pressures and temperatures than have been previously possible outside of field trials. The bioreactors were charged with proppant, crushed Permian shale, and sterile simulated fracturing fluids (SSFF). S
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Ma, Bill, Alan Zhou, and Jim Steeves. "Pipeline Batch Planning to Optimize Storage Requirements." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31142.

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Pipeline batch delivery is a common practice in the industry to transport multiple products in the same pipeline. Proper batch planning can minimize the product storage requirement in operating a pipeline system. Transporting fluids in batches without using separation pigs can result in interface contamination between two different fluids in the pipeline. The volume of interfaces is closely related to the diffusion and dispersions occurred on the interface, which are dependent on product properties such as density and viscosity, fluid flow velocity, flow regime, pipeline mechanical configurati
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Pietrangeli, Gianna, Donald Hugonin, and Laurie Hayden. "Comprehensive Protocol for Evaluation of Compatibility of Drill-In and/or Completion Fluids with Reservoir Fluids on Offshore Operations in the Caribbean Sea." In Offshore Technology Conference. OTC, 2022. http://dx.doi.org/10.4043/31786-ms.

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Abstract Incompatibities between reservoir fluids and drill-in fluids and/or completion fluids can cause near-wellbore formation damage, which negatively impacts project economics and productivity in the reservoir. This paper describes a systematic study of prediction and determination of negative interactions between completion fluids, oil-based drill-in fluids, and the native reservoir fluids to ensure prevention of near-wellbore damage caused by fluid-fluid and fluid-solid interactions. Correct formulation of completion fluids plays one of the most important roles in the preservation of the
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Liu, Songyuan, Chao-yu Sie, Fatee Malekahmadi, Bo Lu, Yifan Li, Cara Fan, Xinyue Zhang, Owen Serediak, Jelayne Fortin, and Ali Abedini. "Bioremediation Study on Formation Damage Caused by Hydraulic Fracturing: A Microfluidic Approach." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210089-ms.

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Abstract Hydraulic fracturing has been applied to unconventional reservoirs with low permeability to achieve higher productivity and economic potential. However, polyacrylamide-based friction reducer and guar gum, two of the most common components in fracturing fluid could cause formation damage by penetrating into the matrix and blocking the flow path. To regain the conductivity of the damaged area, a bioremediation method was developed and validated by a microfluidic approach. Modified nutrients were used to stimulate the indigenous bacteria that could consume or break the polymer residues.
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Zeng, Rui, Yong Zhang, Zhen-Rong Lin, and Jin-Kun Sun. "Contamination Analysis and Monitoring Methods of Hydraulic Fluid." In 3rd Annual International Conference on Mechanics and Mechanical Engineering (MME 2016). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/mme-16.2017.51.

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Johansen, Per, Michael M. Bech, Sune Dupont, Uffe N. Christiansen, Jens L. Sørensen, David N. Østedgaard-Munck, and Anders Bentien. "An Experimental Study on High-Flowrate Ultrasonic Particle Monitoring in Oil Hydraulics." In BATH/ASME 2022 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/fpmc2022-89721.

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Abstract In this article an experimental analysis on detection of particles in oil hydraulics by an in-line, high flowrate ultrasonic sensor is presented. This experimental study is conducted by the implementation of a particle concentration sensor prototype in a simple hydraulic circuit. In this system the contamination particles are introduced in an open tank. The sensor prototype is based on the particle scattering of ultrasound measured in a 90° angle in relation to the incoming wave. An experimental analysis of the sensors ability to detect specific concentrations of silicon dioxide parti
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