Computer Modeling Application for Analysis of Stress-Strain State of Vibroscreen Feed Elements by Finite Elements Method

Doudkin, Mikhail; Kim, A.; Kim, V.; Młyńczak, Marek; Kustarev, Gennadiy

doi:10.1007/978-3-030-12203-4_9

Cited by 8 publications

(18 citation statements)

References 13 publications

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“…The phenomenon has been described in reference to the gear pump. Hydrodynamic cavitation occurs in the medium flowing through the internal channels and clearances of the gear pump while the gears (4) are rotating in the body (5) at the pressure difference between the inlet to and the outlet from the pump, which is marked with arrows.…”

Section: -Zone (E)mentioning

confidence: 99%

“…The oil flows from the tank (1) to the gear pump (2) which is driven by the electric motor (3).The inlet and outlet pressure in the pump is set by throttling valves (4) and measured with pressure transducers (5). The ultrasonic cavitation in the tank is generated by the oscillator (6) and the cavitator (7).…”

Section: Stand For the Visualization Tests Of The Cavitation Phenomena In And The Gear Pumpmentioning

confidence: 99%

“…-improper functioning of the machines and devices, reducing their technical parameters [4][5][6][7],…”

Section: Introductionmentioning

confidence: 99%

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Research into ultrasoic and hydrodinamic cavitation phenomena in a hydraulic system

Stryczek

Antoniak

Banaś

et al. 2021

M&AT

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The article describes the course of the ultrasonic cavitation in a hydraulic tank and the hydrodynamic cavitation in a gear pump. The course of those phenomena was confirmed in experimental tests carried out with the use of a tank and a pump made of transparent plastics. It has been proved that the oscillator-cavitation system made according to the original project is useful to induce the phenomenon of ultrasonic cavitation. It has also been shown that the PIV visualization method, consisting in a special system of illuminating transparent objects and recording the flow through those objects with a fast camera, is useful for the studying of the cavitation phenomena. A visible interaction between the ultrasonic and the hydrodynamic cavitation was observed. The induction of ultrasonic cavitation in the tank causes degassing of the oil, and the degassed oil supplying the pump reduces the hydrodynamic cavitation in its internal channels and clearances. This is an example of beneficial effects of the ultrasonic cavitation on the operation of a pump and a hydraulic system. The presented work is an example of effective co-operation between the communities of Wroclaw University of Science and Technology and Igor Sikorsky Kiyv Politechnic Institute, National Technical University of Ukraine.

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Section: -Zone (E)mentioning

confidence: 99%

Section: Stand For the Visualization Tests Of The Cavitation Phenomena In And The Gear Pumpmentioning

confidence: 99%

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Research into ultrasoic and hydrodinamic cavitation phenomena in a hydraulic system

Stryczek

Antoniak

Banaś

et al. 2021

M&AT

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“…Theoretical studies [16][17][18][19][20] and series of experiments showed that the main disadvantage of planetary vibration exciters with an offset rotation axis of the carrier is the inertial runner slipping along the surface of its treadmill. When the optimal variant of its rolling on the treadmill is violated, it leads to a sharp (about ten times) increase in the resistance moment to the rotation of the carrier and the energy intensity of the vibration exciter drive, however, with limited power and the drive motor, it leads to limit the frequency or disruption of [16][17][18][19][20]. The additional energy expended to overcome the sliding friction of the slider goes into heat and implemented to heat the slider and treadmill surface.…”

Section: Analysis Of the Impulse Of The Vibroexciter Driving Force An...mentioning

confidence: 99%

Analysis of vibroexciters working process of the improved efficiency for ice breaking, construction and road machines

Kim¹,

Doudkin²,

Ермилов³

et al. 2020

J. vibroeng.

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In the drives of the working bodies of ice breaking, road, construction and other technological machines the use of asymmetric planetary vibration exciters becomes promising. Where rotation carrier axis of the inertial runner is shifted relative to the treadmill center. Vibro-exciters of this type as a result of the joint action of the centrifugal and Coriolis forces on the inertial slider provide a significant increase in the integral value of the directional driving force. The momentum is proportional to the eccentricity of the carrier and directed towards the specified displacement of the carrier axis. The article presents the original mathematical and graphical dependencies characterizing the workflow of these vibration exciters and confirming their effectiveness.

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“…To compare the effectiveness of ITEX fiber with existing analogs, SFRC with an anchor fiber 1/50 Hendix and Dramix 3D 80/60BG was also considered. The amount percentage of reinforcement with wire fiber was adopted as 1%, 1.5% and 2%.The composition of the components for fine-grained concrete matrix was selected in accordance with the recommendations of [3,[8][9][10][11][12] and is shown in table 1.…”

Section: Experimental Researchmentioning

confidence: 99%

Properties of the Steel-Fiber-Reinforcedconcrete With Dispersed Reinforcing Wire Fiber From Technogenic Waste

Doudkin¹,

Kim²,

Vavilov³

et al. 2020

OF THE ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN JSC «D

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The article presents the results of theoretical and, most importantly, experimental studies of some properties of steel-fiber-reinforcedconcrete reinforced with dispersed reinforcement from industrial wastes, namely, ITEX steel wire fiber from SPA INNOTECH from spent steel ropes, a large number of which are used as raw materials for fiber production, has accumulated in the region with the mining industry (East Kazakhstan region). The result of the research was indicators of tensile strength of fiber-reinforced concrete during bending of samples, characteristics of crack resistance, and impact strength indicators of fiber-reinforced concrete reinforced with fiber from industrial waste. Knowing and demonstrating these characteristics will make it possible to more effectively ensure the possibility of selling a new product on the building materials market. This publication has been carried out as part of the sub-project Technology for Manufacturing Fiber from Technogenic Wastes, funded by the Government of the Republic of Kazakhstan and the World Bank, Project for Stimulating Productive Innovations.

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Computer Modeling Application for Analysis of Stress-Strain State of Vibroscreen Feed Elements by Finite Elements Method

Cited by 8 publications

References 13 publications

Research into ultrasoic and hydrodinamic cavitation phenomena in a hydraulic system

Research into ultrasoic and hydrodinamic cavitation phenomena in a hydraulic system

Analysis of vibroexciters working process of the improved efficiency for ice breaking, construction and road machines

Properties of the Steel-Fiber-Reinforcedconcrete With Dispersed Reinforcing Wire Fiber From Technogenic Waste

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