Hybrid installations in pumping stations based on the use of renewable energy sources

Glovatskii, Oleg; Ergashev, Rustam; Bekchanov, Fakhriddin; Sharipov, Sh. M.

doi:10.3103/s0003701x12040056

Cited by 8 publications

(4 citation statements)

References 2 publications

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“…However, cavitation is most harmful through its wear and tear. Cavitation in the pumps is explained by the formation of discontinuities in those places where the pressure decreases to saturated vapor pressure at a given temperature, and water boils rapidly with the formation of vapor bubbles, which quickly decrease after passing to the high-pressure zone and the exhaustion of kinetic energy [15][16][17][18][19][20][21][22][23][24][25][26].…”

Section: Resultsmentioning

confidence: 99%

Erosion processes during non-stationary cavitation of irrigation pumps

Dzhurabekov¹,

Rustamov²,

Nasyrova

et al. 2021

E3S Web Conf.

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The article gives the main results of the study of the dynamics of wear of the working bodies of irrigation pumps, gives the main recommendations as a result of the study of pumping units in the presence of cavitation. The authors consider the cavitation coefficient as the minimum value of this expression, at which the beginning of cavitation is detected. The process of unsteady cavitation is accompanied by many significant effects in which the water flow becomes two-phase, with a corresponding change in its properties, which affects the pump's efficiency. The effect of particle size on the erosion rate is predominant only up to a certain size limit, i.e., 600-800 microns on the blades. After that, the erosion rate increases with a comparatively slower rate. This indicates that the particle size affects the erosion rate only up to a certain particle size.

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Section: Resultsmentioning

confidence: 99%

Erosion processes during non-stationary cavitation of irrigation pumps

Dzhurabekov¹,

Rustamov²,

Nasyrova

et al. 2021

E3S Web Conf.

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“…Implementation of algorithms for monitoring the process of staged accumulation of damage and degradation of parts of a centrifugal pump unit by increasing the amplitudes of vibration emissions, by changing the duration of intervals between vibration emissions into the COMPACS® system monitoring program, as well as forecasting the time of occurrence of vibration emissions and the transition of the technical state of the centrifugal pump unit to "Requires action" and "Unacceptable" for vibration emissions, which made it possible to expand the diagnostic capabilities of the COMPACS® system and provide a prediction of the technical conditions of the unit during its operation [9,10].…”

Section: Methodsmentioning

confidence: 99%

Control method for stage degradation of centrifugal pump unit parts in the system of technical condition monitoring and automatic diagnosis

et al. 2023

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Reliable operation of a centrifugal pump unit, as an electric motor, which is a reliable link in the composition of a centrifugal pump unit, depends on many factors, as well as an important factor in the trouble-free operation of a centrifugal pump unit is the reliability of rolling bearings. The presented work is devoted to the study of the processes of multi-stage failure of the parts of the rolling bearing of a centrifugal pump unit, i.e., repeatedly occurring self-eliminating failures of the same nature - intermittent failures, establishing the dependences of vibration changes in the degradation process, developing control methods and developing methods for identifying and predicting staged failure processes.

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“…The centrifugal pump works on the principle of forced vortex flow, which means that of forced vortex flow, which means that when an external flow rotates a certain mass of liquid, the rise in pressure head of the rotating liquid takes place [13,14]. The rise in pressure head at any point of the rotating liquid is proportional to the square of tangential velocity of the liquid at that point [15,16].…”

Section: Fig 1 3d Model Of Impeller Centrifugal Pumpmentioning

confidence: 99%

Achieving reliability and energy savings in operate of pumping stations

et al. 2021

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Hydromechanical equipment of pumping stations of irrigation systems, including the main equipment of pumping stations of the Amu-Bukhara machine channel, was taken as the object of research. The study aims to assess the operating conditions of pumping stations and improve the main units' reliability by developing new units that ensure reliable and resource-saving operations. An important consequence of using new elements of irrigation systems during reconstruction is an increase in the unit capacity of regulated pumping units, which gives additional energy savings and reduces technological costs by 15-20%. The practical significance of the research results is based on the developed methods of hydraulic calculation of the flow in the flow section of the pumps, the assessment of reliability during operation under various conditions of the quality of the pumped water, and the criteria of its state.

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Hybrid installations in pumping stations based on the use of renewable energy sources

Cited by 8 publications

References 2 publications

Erosion processes during non-stationary cavitation of irrigation pumps

Erosion processes during non-stationary cavitation of irrigation pumps

Control method for stage degradation of centrifugal pump unit parts in the system of technical condition monitoring and automatic diagnosis

Achieving reliability and energy savings in operate of pumping stations

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