- 1. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... is possible by installing the cavitation hydraulic vibrator in the drill string in front of the rock-cutting tool. Purpose. Evaluation of resonant modes (frequencies of oscillations) for the dynamic ...
- Created on 01 May 2024
- 2. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... studies of the influence of elastic oscillations on the change of oil filtration of a water mixture. Scientific Bulletin IFNTUNG, 3(29), 53-56. ISSN 1993-9965. 11. Perez-Arancibia, C., Godoy, E., & ...
- Created on 01 May 2024
- 3. Evaluation of coal mines’ rock mass gas permeability in the equivalent stress zone
- (Content №5 2023)
- ... /1999-981X-2021-2-78-84. 11. Sdvyzhkova, O., Golovko, Y., Dubytska, M., & Klymenko, D. (2016). Studying a crack initiation in terms of elastic oscillations in stress strain rock mass. Mining of Mineral ...
- Created on 27 October 2023
- 4. Designing the working surfaces of rotary planetary mechanisms
- (Content №4 2023)
- ... L., & Jiang, J. (2020). Characteristics of stick-slip oscillations in dry friction backward whirl of piecewise smooth rotor/stator rubbing systems. Mechanical Systems and Signal Processing, 135, 106387. ...
- Created on 28 August 2023
- 5. Analysis of numeric results for analogue of Galin’s problem in curvilinear coordinates
- (Content №1 2023)
- ... in terms of elastic oscillations in stress strain rock mass. Mining of mineral deposits, 10(2), 72-77. https://doi.org/10.15407/mining10.02.072. 12. Sdvyzhkova, O., Dmytro, B., Moldabayev, S., Rysbekov, ...
- Created on 25 February 2023
- 6. Modeling of drilling water supply wells with airlift reverse flush agent circulation
- (Content №1 2023)
- ... https://doi.org/10.1007/978-3-030-58073-5_19. 12. Chudyk, I., Raiter, P., Grydzhuk,Ya., & Yurych, L. (2020). Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping ...
- Created on 25 February 2023
- 7. Energy efficient technologies for the mining industry
- (Content №6 2022)
- ... full article Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2022, (6): 011 - 017 https://doi.org/10.33271/nvngu/2022-6/011 Abstract: The cavitation generator of fluid pressure oscillations ...
- Created on 25 December 2022
- 8. Load of the wagon-platform for transportation of bulk cargoes
- (Content №5 2022)
- ... the values of the natural frequencies of oscillations are within acceptable limits, because the first natural frequency has a value greater than 8 Hz. Originality. The scientific substantiation of improvement ...
- Created on 30 October 2022
- 9. Strategies of GNSS processing and measuring under various operational conditions
- (Content №3 2022)
- ... oscillations in stress strain rock mass. Mining of Mineral Deposits, 10(2), 72-77. https://doi.org/10.15407/mining10.02.072. 7. Shashenko, O.M., Sdvyzhkova, O.O., & Kovrov, O.S. (2010). Modeling of ...
- Created on 29 June 2022
- 10. Flat problem to determine the forces of destruction of pieces n disintegrators while being grabbed in thick layer
- (Content №3 2022)
- ... elastic oscillations in stress strain rock mass, Mining of Mineral Deposits,10(2),72-77. 10. Pryadko, N.C., & Ternovaya, E.V. (2016). Controlled vibrating mill for grinding bulk medium. Tekhnicheskaya ...
- Created on 29 June 2022
- 11. Complex measurement of parameters of iron ore magnetic separation based on ultrasonic methods
- (Content №3 2022)
- ... scattering in water with solid particles and air bubbles are considered. To characterize absorption and scattering of acoustic oscillations by oscillating gas bubbles, concepts of effective cross-sections ...
- Created on 29 June 2022
- 12. Definition of rational operating modes of a vibratory jaw crusher
- (Content №4 2021)
- ... mathematical model in order to design new crushers. Methodology. Definition of the crusher working process is based on the main statements of the theory of mechanical oscillations and the theory of continuous ...
- Created on 23 August 2021
- 13. Rigidity effect of the mine geophone mounting on its frequency response
- (Content №3 2021)
- ... D. (2017). Effect of harmonic oscillations on a crack initiation in the rock mass. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (4), 13-18. 12. Bendat, J., & Piersol, A. (2010). Random Data: ...
- Created on 23 June 2021
- 14. Automation of the control process by the shearer drum in terms of coal seam hypsometry
- (Content №3 2021)
- ... Dubytska, M., & Klymenko,D. (2016). Studying a crack initiation in terms of elastic oscillations in stress strain rock mass. Mining of Mineral Deposits, 10(2), 72-77. https://doi.org/10.15407/mining10.02.072. ...
- Created on 23 June 2021
- 15. Dynamic loads in self-aligning gear transmissions of heavy loaded machines
- (Content №1 2021)
- ... gear self-alignment time, collision velocity during the alignment and dynamic load factor are obtained by integrating an ordinary differential equation. Methods of the linear theory for oscillations are ...
- Created on 05 March 2021
- 16. Mathematical modeling of the surface roughness of the grinding wheel during straightening
- (Content №1 2021)
- ... Abstract: Purpose. Research on the mechanism of influence of the straightening conditions of the grinding wheel, including the relative oscillations of the wheel and a multipoint diamond dresser, on the ...
- Created on 05 March 2021
- 17. Influence of particle geometry on the efficiency of operation of quasistatic and inertial disintegrators
- (Content №6 2020)
- ... heave deformation in coal roadway. Boletin Technico, 55(3), 348-355. 10. Sdvyzhkova, O., Golovko, Yu., Dubytska, M., & Klymenko, D. (2016). Studying a crack initiation in terms of elastic oscillations ...
- Created on 22 December 2020
- 18. Testing of the complex for gravitational washing of sand
- (Contens №5 2020)
- ... USME 2018. https://doi.org/10.1051/e3sconf/20186000016. 20. Vynohradov, B. V., Samusya, V. I., & Kolosov, D. L. (2019). Limitation of oscillations of vibrating machines during start-up and shutdown. ...
- Created on 30 October 2020
- 19. Influence of pulse excitation on electromechanical indicators of a linear pulse converter of electrodynamic type
- (Contens №3 2020)
- ... 3. Gorodzha, K. A., Podoltsev, O. D., & Troshchynskyi, B. A. (2019). Electromagnetic processes in pulse electrodynamic emitter for exciting elastic oscillations in concrete structures. Technical ...
- Created on 02 July 2020
- 20. Using broadband signals for structural change detection in metal details
- (Contens №3 2020)
- ... harmonics frequency (RBHF), absolute value of which indicates loss of energy in metal during oscillations and serves as an estimate of change in the structure of metal. Originality. Proposed Methods ...
- Created on 02 July 2020