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Chakhlov, V.L.; Cheprasov, A. I.; Shaverin, N. V.

doi:10.1023/a:1022187228570

Cited by 6 publications

(2 citation statements)

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“…Measurement of oil density in the industry is performed using online systems or non-destructive measurement methods [2,23]. Also, the required minimum limits and the behavior of the density of the working hydraulic fluid can be determined empirically by equations (7):…”

Section: Dependence Of Viscosity and Density Of Hydraulic Fluid Iso H...mentioning

confidence: 99%

Analysis of the influence of hydraulic fluid quality on external gear pump performance

Novaković¹,

Radovanović²,

Zuber³

et al. 2022

Eksploatacja i Niezawodność – Maintenance and Reliability

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The basis of every hydraulic system is based on energy transformations, which are realized through hydraulic working fluid. Hydraulic oils are certainly subject to changes within their structure, meaning the basic characteristics and parameters of hydraulic oil, such as density, viscosity, humidity. The oils that are exploited are exposed to the process of degradation, which largely leads to significantly poorer quality of hydraulic fluid. The paper deals with the influence of changes in the characteristics of the hydraulic fluid on the hydraulic operating parameters of the gear pump installed on the hydraulic press. The parameters refer to pressure, flow, and temperature, as well as the quality of hydraulic oil, which affects the volumetric efficiency of the pump, and the results presented in the conclusion are based on the measured values of parameters before and after corrective measures. The control of parameters aims to increase the efficiency and reliability of the hydraulic system, a way of modern detection of deviations of parameters from standard, required values.

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Section: Dependence Of Viscosity and Density Of Hydraulic Fluid Iso H...mentioning

confidence: 99%

Analysis of the influence of hydraulic fluid quality on external gear pump performance

Novaković¹,

Radovanović²,

Zuber³

et al. 2022

Eksploatacja i Niezawodność – Maintenance and Reliability

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show abstract

“…Density measurement is carried out both for the identification of liquids, and for the purposes of quality control and process control, as well as for performing accounting operations for the quantity of raw materials, fuels, reagents and prepared products [3]. Float, mass and hydrostatic densitometers are easy to operate, but almost impossible to automate [4].…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Project development of a precision installer for measuring inhomogeneous density of the solution in the process of automation of the technological software and hardware complex

Berikkhanova

Seredin

Sarbassov³

et al. 2022

EEJET

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A project of a precision installer for measuring the inhomogeneous density of the solution has been developed. This module is one of the key components of an automated program-controlled complex created for the encapsulation of cell transport systems. An analysis of existing methods for determining the values of viscosity and density shifts shows that optical measurement methods are the most appropriate for designing the precision installer due to their simplicity and reliability. Implementation of optical measurement is also due to the need to ensure sterility of analyzed material, as well as non-destructive testing of liquid. Using the ultrasound method requires immersion in liquid of transmitting element and receiver, which violates the principle of sterility. According to the results of measurements, it was found that the method of recording optical radiation can determine density distribution in the cuvette volume after centrifugation with a high degree of accuracy. The exact positioning of the needle for the selection of liquid has been achieved. A measuring optical module has been developed to determine the inhomogeneous density of the liquid. Accurate positioning of the carousel at given points by mounting permanent neodymium magnets in the base of cuvette compartments has been achieved. The simplification of measuring configuration by the exclusion of dispersive elements, filters and the monochromator significantly reduces the cost of measuring equipment and makes it easy to implement for solving such problems. The introduction of modern digital technologies into the project makes it possible to process signal packets from positioning sensors and through individual channels, which is especially important for automating measurement and positioning processes, taking into account sterility

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Design and construction of a prototype gamma-ray densitometer for petroleum products monitoring applications

Khorsandi

Feghhi

2011

Measurement

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Cited by 6 publications

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Analysis of the influence of hydraulic fluid quality on external gear pump performance

Analysis of the influence of hydraulic fluid quality on external gear pump performance

Project development of a precision installer for measuring inhomogeneous density of the solution in the process of automation of the technological software and hardware complex

Design and construction of a prototype gamma-ray densitometer for petroleum products monitoring applications

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