- 21. Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type
- (Content №1 2020)
- ... accelerations of the translational and rotational motions of the bodies of the mechanical system. Practical value.The practical value of the work is the obtained equations of motion of the system, ...
- Created on 10 March 2020
- 22. Results of testing and modelling the “drilling rig with hydraulic vibrator ‒ rock” system
- (Content №1 2020)
- ... tool with frequencies of 1‒20 kHz and values of vibration accelerations from 500 to 3200 g. At repeated impact of power impulses of the rock-breaking tool, the destruction of rock becomes fatigue. ...
- Created on 10 March 2020
- 23. Energy-saving control for traction frequency-regulated asynchronous engine of an electric vehicle
- (Contens №6 2019)
- ... power and energy losses for a traction frequency-regulated asynchronous engine (FRAE) under acceleration and deceleration regimes. With the help of these dependencies, quantitative assessment of the indicated ...
- Created on 23 December 2019
- 24. Contens 05 2019
- (Contens №5 2019)
- ... 107 V.S.Loveikin, Yu.О.Romasevych, V.P.Kurka.Energy optimization of a hoisting engine acceleration 107 L.S.Koriashkina, ...
- Created on 10 November 2019
- 25. Energy optimization of a hoisting engine acceleration
- (Power Supply Technologies)
- ... This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it. Abstract: Purpose. To improve the energy characteristics of mine winder acceleration in the process of lifting the final load by ...
- Created on 26 October 2019
- 26. Contens 04 2019
- (Contens №4 2019)
- ... of acceleration (deceleration) of a frequency-regulated asynchronous engine 55 D.O.Kulagin, D.V.Fedosha, V.V.Nitsenko, S.Yu.Shevchenko, D.O.Danylchenko.Using ...
- Created on 01 September 2019
- 27. Energy-saving tachograms of acceleration (deceleration) of a frequency-regulated asynchronous engine
- (Electrical Complexes and Systems)
- ... energy-saving speed trajectories in the acceleration and braking modes for a range of supernormal speeds of a short-circuited frequency-regulated asynchronous engine in the acceleration and deceleration ...
- Created on 19 August 2019
- 28. Mass flow control in a jet mill based on acoustic monitoring
- (Solid State Physics, Mineral Processing)
- ... Group, 99-108. 7. Santob, N., Portnikov, D., Mani, N., & Kalman, T.H. (2018). Experimental study on the particle velocity development profile and acceleration length in horizontal dilute ...
- Created on 19 August 2019
- 29. Optimization of general losses of the energy of the frequency-regulated pumping aggregate for start-braking regimes
- (Electrical Complexes and Systems)
- ... start-braking regimes. The quasi-optimal form of tachograms and the optimal values of the acceleration and deceleration time of this aggregate are defined, at which the minimization of its total energy ...
- Created on 16 June 2019
- 30. Fit selection and life forecasting of work of movable joints of hydraulic props of powered supports
- (Geotechnical and mining mechanical engineering, machine building)
- ... Baqai, A.A. (2014). Washin Akram. Effect of Surface Roughness and Temperature on EHL for Parallel Surfaces Subjected to High Acceleration. Tribology in Industry, 36(2), 144-154. 13. Aimin Liang, Yuwen ...
- Created on 16 June 2019
- 31. Innovative designs of pumping deep-water hydrolifts based on progressive multiphase non-equilibrium models
- (Geotechnical and mining mechanical engineering, machine building)
- ... and Romasevych, Yu. О., 2017. Dynamic optimization of a mine winder acceleration mode. Naukovyi Visnyk Natsionalnoho Hinychoho Universytetu, 4, pp. 55‒61. 11. Shpachuk, V., Chuprynin, A., Suprun, ...
- Created on 24 April 2019
- 32. Improving the efficiency of using dump trucks under conditions of career at open mining works
- (Geotechnical and mining mechanical engineering, machine building)
- ... paths are developed. They differ from those known by the fact that inertia forces resulting from acceleration during the motion of a dump truck are used to overcome elevated gradients in the transport ...
- Created on 24 April 2019
- 33. Optimization of times of start-braking regimes of frequency-regulated asynchronous engine with pumping load
- (Electrical Complexes and Systems)
- ... of its acceleration and deceleration time for minimizing the loss concerned, as well as checking the feasibility of their optimal values of time in hydraulic systems. Methodology. The methods of mathematical ...
- Created on 03 March 2019
- 34. Regime-parametric optimization of a mine winder deceleration
- (Geotechnical and mining mechanical engineering, machine building)
- ... F. and Shengli, Z., 2016. The Influence to Mine Hoisting Steel Wire Rope Tension and Deformation from Velocity and Acceleration. International Conference on Manufacturing Science and Information Engineering, ...
- Created on 29 October 2018
- 35. Risk-forming dynamic processes in units of mine hoists of vertical shafts
- (Geotechnical and mining mechanical engineering, machine building)
- ... Natsionalnoho Hirnychoho Universytetu, 1, pp. 68‒73. DOI: 10.29202/nvngu/ 2018-1/9. 17. Loveikin, V. S. and Romasevych, Yu. О., 2017. Dynamic optimization of a mine winder acceleration mode. ...
- Created on 29 October 2018
- 36. Forming the structure of automated system to control ground heavy-type ropeways
- (Geotechnical and mining mechanical engineering, machine building)
- ... GRW dynamic coefficient on acceleration period has been determined with the consideration of the self-oscillation period of the system. A method aimed at the minimization of dynamic forces within the rope ...
- Created on 27 August 2018
- 37. Protection of objects from the influence of long-term dynamic loads
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: O. V. Solodyankin, Dr. Sc. (Tech.), Prof., orcid.org/0000-0002-0837-6438, National Mining University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; ...
- Created on 03 July 2018
- 38. Institutional development and propensity for innovations: trends and prospects for Ukraine
- (Economy and Management)
- ... acceleration at macro and micro levels. References. 1. The Global Economic Prospects, 2017. Global Outlook [pdf]. Available at: <http://pubdocs.worldbank.org/en/216941493655495719/Global-Economic-Prospects-June-2017-Global-Outlook.pdf> ...
- Created on 16 May 2018
- 39. Content
- (Contents №4 2017)
- ... for frequency-current slip-power recovery scheme 49 V.S.Loveikin, Yu.О.Romasevych. Dynamic optimization of a mine winder acceleration mode ...
- Created on 15 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)
- ... designing a mathematical model to define accelerations in the supporting structure of the car body with viscous materials, the theoretical and applied mechanics for modelling dynamic processes in a new ...
- Created on 11 January 2018