Study Effect of Antiturbulence Additives on Hydraulic Efficiency in Oil Pipelines by Disk Turborheometer

Nechval, A.M.; Муратова, В. И.; Valeev, Anvar; Chen, Yang; Ташбулатов, Р. Р.

doi:10.1061/(asce)ps.1949-1204.0000610

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…The presence of a significant amount of asphalt-resinous substances in oils or oil products leads to a curvature of the rheological curves. In such cases, the Casson and Bulkley-Herschel models as well as the model with coefficients independent of oil temperature are useful approximations [2,9,[12][13][14]:…”

Section: Dependency Name Dependency Equationmentioning

confidence: 99%

“…A promising and developing method of transporting non-Newtonian fluids, at present, is the transport of high-viscosity oil with the addition of anti-turbulent and depressant additives. The analysis of materials [2][3][4][5][6] proves that the selected heating temperature affects the efficiency of oil pumping, since when laying above ground, the thermal field shifts along the cross-section of the pipeline. The use of additives makes it possible to reduce the oil heating temperature and improve its rheological characteristics, but it is worth noting that additives must be selected for each type of oil in order to ensure a rational operation of the pipeline.…”

Section: Introductionmentioning

confidence: 99%

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Study of the Rheological Properties and Flow Process of High-Viscosity Oil Using Depressant Additives

Nikolaev,

Plotnikova

2023

Energies

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This article analyzes the dependence of the choice of the method of transportation of high-viscosity oil on the rheological characteristics of the oil in question. An analysis of existing rheological models of high-viscosity oil was carried out, and it was found that a number of models have certain features (model coefficients, their purpose, quantity) that affect the choice of a rheological model of oil. The dependences for determining the coefficient of dynamic viscosity when pumping high-viscosity oil with the addition of pour-point depressants were studied, and the dependence of the hydraulic resistance coefficient when depressants are added to the oil was obtained. A method for choosing a rational oil heating temperature and diluent concentration to achieve the maximum pipeline performance is substantiated.

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Section: Dependency Name Dependency Equationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of the Rheological Properties and Flow Process of High-Viscosity Oil Using Depressant Additives

Nikolaev,

Plotnikova

2023

Energies

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Influence of Hydraulic Oil Brands on the Completeness and Accuracy of Diagnostics of Hydraulic Units of Russian and Foreign Production

Ionov,

Senin,

Zemskov

et al. 2023

Engineering Technologies and Systems

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Introduction. Russian and foreign manufacturers of volumetric hydraulic drives recommend using hydraulic oils (working fluid) from certain manufacturers for their hydraulic units: Lukoil, Gazpromneft, Mobil, Hydrau Gard, SHELL, Total, etc. The oils have different physicochemical properties, because of different additive packages in their composition. However, changes in these properties during operation are a negative factor. In this regard, the physicochemical properties of the power fluid will affect the determination of diagnostic parameters, namely their accuracy and reliability. Therefore, when monitoring the technical condition of volumetric hydraulic drives in bench equipment, it is necessary to use hydraulic oil, with constant physico-chemical properties. To select power fluid for determining the parameters of diagnosing new and existing volumetric hydraulic drives of Russian and foreign production with a minimum error, it is necessary to conduct experimental studies. Aim of the Article. The study was aimed at determining the dependence of changes in the parameters of diagnosing new and operating hydraulic units of Russian and foreign production on the power fluid temperature. Materials and Methods. As power fluid there were used Hydraulic oils MGE-46B and SHELL TELLUS S2 V46 recommended by manufacturers for volumetric hydraulic drives НST-90, НST-112 and Danfoss Power Solutions 90-series respectively. During the experiment, the volume efficiency and torque of volumetric hydraulic drives were tested as diagnostic parameters. The tests were carried out on specialized bench equipment in accordance with the requirements (methodology) of the manufacturers. Results. Experimental studies presented in the article have shown that the changes in the temperature of the power fluid affect significantly the accuracy of the diagnosed parameters of hydraulic units under study. It was found that the power fluid SHELL TELLUS S2 V46 allows reliably determining the diagnostic parameters of new and having operating time domestic hydraulic units. Optimal temperature ranges equal to 60...69 °C were obtained for power fluid – MGE-46V when testing new and having operating time foreign hydraulic units Danfoss Power Solutions 90-series. Discussion and Conclusion. It has been found that the power fluid MGE-46B in optimal temperature ranges ensures the completeness and high accuracy of diagnosing new and having operating time hydraulic units of Russian and foreign production in accordance with the requirements of GOST 17108 and manufacturers. Therefore, this hydraulic oil can be used as a universal power fluid for monitoring the technical condition of various hydraulic units at repair enterprises.

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Study Effect of Antiturbulence Additives on Hydraulic Efficiency in Oil Pipelines by Disk Turborheometer

Cited by 2 publications

References 6 publications

Study of the Rheological Properties and Flow Process of High-Viscosity Oil Using Depressant Additives

Study of the Rheological Properties and Flow Process of High-Viscosity Oil Using Depressant Additives

Influence of Hydraulic Oil Brands on the Completeness and Accuracy of Diagnostics of Hydraulic Units of Russian and Foreign Production

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