2022
DOI: 10.3390/computation10090152
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The Methods of Three-Dimensional Modeling of the Hydrogenerator Thrust Bearing

Abstract: In the presented scientific work, the basic design versions of the thrust bearings of Hydrogenerators are considered. The main causes of emergencies in the thrust bearing unit of a high-power Hydrogenerator are considered. The main requirements for the operation of thrust bearings are submitted. Cause-and-effect relationships of emerging and development of defects are established. Existing methods for calculating the stressed state of a thrust bearing in the classical formulation for a stationary mode of opera… Show more

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Cited by 4 publications
(3 citation statements)
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“…Therefore, it has wide application in medicine for the production of prosthetic joint implants, prostheses, catheters, and other medical devices [15,16]. In mechanical engineering, PTFE and composites based on it are used in the production of bearings, shafts, seals, and other components that must operate under conditions of high temperature and pressure [17][18][19]. In its pure form, PTFE has a number of characteristics; however, its essential feature is its bonding with reinforcing elements.…”
Section: Problem Contextmentioning
confidence: 99%
“…Therefore, it has wide application in medicine for the production of prosthetic joint implants, prostheses, catheters, and other medical devices [15,16]. In mechanical engineering, PTFE and composites based on it are used in the production of bearings, shafts, seals, and other components that must operate under conditions of high temperature and pressure [17][18][19]. In its pure form, PTFE has a number of characteristics; however, its essential feature is its bonding with reinforcing elements.…”
Section: Problem Contextmentioning
confidence: 99%
“…High-strength alloy steels with high fatigue resistance at high loads and temperatures are used to manufacture rotor shafts for power plants. We studied the chromium-nickelmolybdenum-vanadium steel 38KhN3MFA [11][12][13][14][15][16][17][18][19][20][21][22][23]. The rotor shafts for power plant equipment undergo changes in their microstructure as a result of long-term operation.…”
Section: Literature Survey: State-of-the-artmentioning
confidence: 99%
“…Scheduled preventive maintenance should be performed every 25 thousand hours of operation at both FPPs and NPPs. In this case, the shaft is subjected to machining by the decision of the expert technical commission in case of defects [13][14][15][16][17][18][19][20][21][22][23].…”
Section: "Life Cycle" Of the Rotor Shaft During Operationmentioning
confidence: 99%