2020
DOI: 10.1088/1757-899x/869/4/042006
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Cavitation-abrasive wear working collectors of pumps

Abstract: The main results of the study of hydraulic losses in the suction line and mechanical damages of the impellers of pumps due to cavitation-abrasive wear are given in the article. The scientific task of using theoretical bases for justifying factors affecting the wear rate of pump parts is being solved. On the basis of these theories, a technique is proposed for calculating the wear rate of the elements of the flow-through part of the pumps. During the experimental studies, standard methods of laboratory-bench te… Show more

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Cited by 16 publications
(11 citation statements)
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“…We now move on to justify the shape of the working surfaces of the device cover covers. In solving this problem, we proceed from the condition that the time of interaction between the working surface of the cover and the parts of the mouth is minimal [20][21][22][23][24][25][26][27][28][29]. This is due to the fact that, firstly, the sheets are easily moved along the working surface, and secondly, the technological process is carried out with minimal energy consumption.…”
Section: Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…We now move on to justify the shape of the working surfaces of the device cover covers. In solving this problem, we proceed from the condition that the time of interaction between the working surface of the cover and the parts of the mouth is minimal [20][21][22][23][24][25][26][27][28][29]. This is due to the fact that, firstly, the sheets are easily moved along the working surface, and secondly, the technological process is carried out with minimal energy consumption.…”
Section: Resultsmentioning
confidence: 99%
“…It is necessary to ensure the geodetic suction height of the water level in the avant-garde to prevent cavitation erosion that occurs on the working blades of the pump unit. In cases where the water is clean and flows at the same flow rate without obstruction, the suction height in the vane chamber can be ensured [3][4][5]. Russian Scientists from the Siberian State Technological University, V.P.…”
Section: Introductionmentioning
confidence: 99%
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“…Their characteristic feature is intense hardening under micro-shock action and the formation of deformation martensite. Observations carried out under the conditions of waterjet deterioration show that alloyed steels are more resistant to suspended sediment than carbon steels [16][17][18][19][20][21][22][23][24]. In this respect, they are preferred, as is the choice of material for parts subject to waterjet erosion.…”
Section: Sh=idem;mentioning
confidence: 99%
“…As a result, there is intense hydro-abrasive wear of the flow part and the pump's impeller. This leads to an intensive reduction in the main parameters of the pumps and reduces their inter-repair period [6][7][8][9][10][11][12]. Since the centrifugal and axial pumps used at these pumping stations, according to the recommendations of the manufacturers, do not take into account the specific requirements of irrigation pumping stations, and they justify this by the fact that their pumps are designed for pumping clean water [13].…”
Section: Introductionmentioning
confidence: 99%