Zobrazeno 1 - 10
of 129
pro vyhledávání: '"pumping units"'
Autor:
A. A. Kapansky, V. V. Pavlov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 25, Iss 4, Pp 29-40 (2023)
RELEVANCE. The effective functioning of urban water supply systems plays an important role in maintaining the normal life of cities and towns. Of particular importance is the management of pressure and the optimization of hydraulic regimes in water-w
Externí odkaz:
https://doaj.org/article/0e5f4d9006f84e95834df91e0b939707
Publikováno v:
BIO Web of Conferences, Vol 107, p 02002 (2024)
During the operation of metal water pipes made of steel and gray cast iron, a layer of internal deposits is formed, which changes the hydraulic potential of the pipes: the actual inner diameter, the actual speed of water movement and the actual press
Externí odkaz:
https://doaj.org/article/1d3decc47bbb495fb3f77b62d824b3bc
Autor:
Georgeta Toma
Publikováno v:
Romanian Journal of Petroleum & Gas Technology, Vol 2, Iss 2, Pp 33-39 (2021)
In the paper is presented a method for obtaining the variation during a cinematic cycle of the motor torque at the crankshaft in the case of the conventional sucker rod pumping units. The calculation method has been transposed into a computer program
Externí odkaz:
https://doaj.org/article/0dd8fb0502b542798920b8aa7e0e3e87
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 332, Iss 1, Pp 88-96 (2021)
The relevance of the researchis caused by the requirements for equipping the main technological equipment of compressor stations of trunk gas pipelines with monitoring systems. These systems should provide a reliable assessment of the current technic
Externí odkaz:
https://doaj.org/article/afc211e7d23d4d328356aba1692ab6f9
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 2676-2688 (2020)
Beam pumping units have been widely used in oilfields worldwide due to its simple structure, strong field adaptability, and convenient maintenance. Different energy-saving technologies have also been broadly applied in various beam pumping units. Amo
Externí odkaz:
https://doaj.org/article/da950b60d7634388b87377c786cc3f79
Autor:
Glovatskiy Oleg, Ergashev Rustam, Sadiev Umid, Rashidov Jaloliddin, Musaev Sharof, Boboeva Gulmira
Publikováno v:
E3S Web of Conferences, Vol 410, p 05017 (2023)
The article presents the results of a study obtained in the process of testing the flow path of modernized centrifugal pumps. The authors proposed the device of new elements based on the calculation of the flow limited only by the side walls. The pur
Externí odkaz:
https://doaj.org/article/b78f167ceec54c8cac8f7ed86ead9bf0
Publikováno v:
Machines, Vol 10, Iss 12, p 1133 (2022)
While the size of the four-bar linkage is the basis of kinematic performance analysis in a beam pumping unit, there is still a lack of effective and direct measurement of it. Since the motor input power and the polished rod position are commonly used
Externí odkaz:
https://doaj.org/article/98a067ea4d45401cb8690180e75a02c8
Autor:
V. R. Ivanovа, I. N. Kiselev
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 21, Iss 5, Pp 59-70 (2019)
The relevance of the study lies in the search for energy-saving technologies. So, at present, the most common type of electric drive in industry is asynchronous, most of which are unregulated. Replacing an unregulated electric drive with an adjustabl
Externí odkaz:
https://doaj.org/article/784fdfb01222488a84bbd4f5cd170f98
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Akademický článek
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