- 21. Definition of rational operating modes of a vibratory jaw crusher
- (Content №4 2021)
- ... which motion equations are derived, which include three main conditions of the efficient operation: 1) the elasticity of the second vibrating element must exceed or be equal to crushing force; 2) vibrations ...
- Created on 23 August 2021
- 22. Evaluation of hydraulic power of drilling string with a cavitation hydrovibrator
- (Content №3 2021)
- ... mathematical modeling longitudinal vibrations of liquid launch vehicle body. Technical Mechanics, (2), 16-31. 17. Chen, X., Yang, J., & Gao-Drilling, D. (2018). Drilling Performance Optimization Based ...
- Created on 23 June 2021
- 23. Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type
- (Content №1 2020)
- ... текст / full article Abstract: Purpose. Finding the cause and effect relationships between the parameters of non-stationary longitudinal and torsional vibrations of a drilling tool ...
- Created on 10 March 2020
- 24. Two-dimensional elastic theory methods for describing the stress state and the modes of elastic boring
- (Content №1 2020)
- ... with a nonlinearly viscous foundation. Bulletin of Science and Techical Development, 8(132), 200-202. 2. Pukach, P. Ya., & Kuzio, I. V. (2013). Nonlinear transverse vibrations of semiinfinite ...
- Created on 10 March 2020
- 25. Results of testing and modelling the “drilling rig with hydraulic vibrator ‒ rock” system
- (Content №1 2020)
- ... it due to periodic growth, separation and collapsing of cavitational pockets, the pressure shock oscillations are realized in drilling mud. They are transformed into longitudinal vibrations of rock-breaking ...
- Created on 10 March 2020
- 26. Vibration platform for forming large-sized reinforced concrete products
- (Geotechnical and mining mechanical engineering, machine building)
- ... of mechanical system vibrations, solid media and applied mechanics. For the analysis of mathematical models, analytical and numerical methods with the use of PC were used. Findings. With the help ...
- Created on 26 October 2019
- 27. Deformation of the long casing string on centralizers in the process of its installation in a horizontal well
- (Geotechnical and mining mechanical engineering, machine building)
- ... of Materials, 46(6), 843-847. DOI: 10.1007/s11223-014-9618-7. 2. Gulyayev, V. I., & Glazunov, S. N. (2017). Stability and Vibrations of a Rotating Drill String in a Horizontal Wellbore. Strength ...
- Created on 26 October 2019
- 28. Impact of flexibility of support on gear mesh dynamics
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... mesh which takes into account flexibility of a pinion support for studying the influence of lateral vibrations on gear dynamics as a whole. Methodology. The calculation model is designed using lumped-parameters ...
- Created on 19 August 2019
- 29. Innovative designs of pumping deep-water hydrolifts based on progressive multiphase non-equilibrium models
- (Geotechnical and mining mechanical engineering, machine building)
- ... V. S., 2018. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 1, pp. 68‒73. DOI: 10.29202/nvngu/2018-1/9. ...
- Created on 24 April 2019
- 30. Limitation of oscillations of vibrating machines during start-up and shutdown
- (Geotechnical and mining mechanical engineering, machine building)
- ... and justification of a method for limiting resonance vibrations during start-up and shutdown of vibrating machines by using cord-reinforced rubber air springs as elastic elements Methodology. Viscoelastic ...
- Created on 03 March 2019
- 31. The results of experimental studies of influence of variable parameters on the performance indicators of shock-centrifugal disintegrator
- (Solid State Physics, Mineral Processing)
- ... A. S., 2014. Applied mechanics of elastic hereditary media. In: Forced vibrations and dissipative heating of inelastic bodies. Vol. 4 (additional) Kiev: Naukova Dumka. 4. Dyrda, V. I., Sokol, S. P., ...
- Created on 03 March 2019
- 32. Effect of explosive charge-blast distance interaction on ground damage (Boukhadra mine, Algeria)
- (Solid State Physics, Mineral Processing)
- ... on the stability of the Boukhadra iron mine. The objective is to contribute to the conception of a blasting plan in order to reduce the effect of the vibrations on the slope stability and ground damage. ...
- Created on 26 December 2018
- 33. Ecological safety performance in the Кremenchuk industrial region under action of induced earthquakes
- (Environmental safety, labour protection)
- ... of vibrations is fixed in residential and industrial building, located in the zones affected by these sources. A system of technical solutions as for decreasing influence of ecological hazards is offered. ...
- Created on 29 October 2018
- 34. Risk-forming dynamic processes in units of mine hoists of vertical shafts
- (Geotechnical and mining mechanical engineering, machine building)
- ... 16. Pukach, P. Ya., Kuzio, I. V., Nytrebych, Z. M. and Il’kiv, V. S., 2018. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft. Naukovyi Visnyk ...
- Created on 29 October 2018
- 35. Start dynamics of vibrating machines with unbalanced drive considering its elasticity
- (Geotechnical and mining mechanical engineering, machine building)
- ... motor rotors and unbalanced vibration exciter. Methodology. Methods of applied theory of vibrations and method of direct division of motions are used for analytical research studies. The design ...
- Created on 03 July 2018
- 36. Protection of objects from the influence of long-term dynamic loads
- (Geotechnical and mining mechanical engineering, machine building)
- ... protection against traffic noise and vibrations of residential and public buildings. 1999 [online]. Available at: <https://znaytovar.ru/gost/2/Posobie_k_MGSN_20497_Proektiro2.html> [Accessed 11 June ...
- Created on 03 July 2018
- 37. Content
- (Contents №5 2017)
- ... I. V. Kuzio, Z. M. Nytrebych, V. S. Ilkiv.Analytical methods for determining the effect of the dynamic process on the nonlinear flexural vibrations and the strength of compressed shaft 69 ...
- Created on 15 March 2018
- 38. Content
- (Contents №1 2018)
- ... V. S. Il’kiv. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft 68 Power Supply Technology ...
- Created on 15 March 2018
- 39. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: P.Ya. Pukach, Doctor of Technical Sciences, Associate Professor, Lviv Polytechnic National University, Professor of the Department of Higher Mathematics, Lviv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it., ...
- Created on 11 March 2018
- 40. The influence of implementation of circular pipes in load-bearing structures of bodies of freight cars on their physico-mechanical properties
- (Geotechnical and mining mechanical engineering, machine building)
- ... absorbed by draw gears, the main working elements of which are absorbing devices. Methodology. The research presented used the modern methods of the car dynamics and the theory of vibrations for ...
- Created on 11 January 2018