- 21. Improvement of the service life of mining and industrial equipment by using friction modifiers
- (Content №4 2023)
- ... of disc pairs were obtained for four specific loading periods and corresponding pressures of 529, 374, 274 and 187 MPa. These measurements were taken while the discs experienced a 10 % relative slippage ...
- Created on 28 August 2023
- 22. Hydrodynamics of vapor-liquid flows in curvilined channels of separation devices of power plants
- (Content №4 2023)
- ... two-phase medium, shutter separator, curvilinear movement of a drop, hydraulic mal distribution References. 1. Oliver, P. (2013). Prediction of Rotating Instabilities in Low Pressure Steam Turbines ...
- Created on 28 August 2023
- 23. Improving the technology of extracting coal concentrate from fly ash from thermal power plants
- (Content №4 2023)
- ... of the factors and the three-dimensional surface of the calculated response function were drawn up. Originality. The degree of influence of factors such as pulp pressure in the feed pipeline, collector ...
- Created on 28 August 2023
- 24. Mathematical model of air flow movement in a motorized filter respirator
- (Content №3 2023)
- ... in the form of a transfer function of the third order; it can be used to develop a pressure control system for the air in the under-mask space in accordance with the user’s work mode in order ensure comfortable ...
- Created on 27 June 2023
- 25. Methods for improving accounting and analytical support of enterprises in order to protect the environment
- (Content №3 2023)
- ... 12. Wang, S., Wang, H., & Wang, J. (2019). Exploring the effects of institutional pressures on the implementation of environmental management accounting: Do top management support and perceived benefit ...
- Created on 27 June 2023
- 26. Microstructures and mechanical properties of cold rolled pipes with increased small deformation
- (Content №3 2023)
- ... A., Daugin, J., Cichy, K., …, & Lunt, A. J. G. (2022). Manufacturing technologies and joining methods of metallic thin-walled pipes for use in high pressure cooling systems. International Journal ...
- Created on 27 June 2023
- 27. Determination of steel arch support distance for roadways under the open-pit mine: a case study at the Mong Duong Coal Mine (Vietnam)
- (Content №3 2023)
- ... this study, the numerical simulation method was used. On the basis of Phase2 software and geological conditions of the mine, the authors established a simulation model to determine the pressure acting ...
- Created on 27 June 2023
- 28. Optimization of technological parameters of airlift operation when drilling water wells
- (Content №3 2023)
- ... the pressure balance in the annulus and in the drill string that occurs during drilling. Methodology. The tasks were solved by a complex research method, which includes a review and generalization of ...
- Created on 27 June 2023
- 29. Influence of polymer solution concentration and media permeability on the residual resistance factor
- (Content №3 2023)
- ... D. M., Namie, S., & Seright, Randall (2022). Pressure Modification or Barrier Issues during Polymer Flooding Enhanced Oil Recovery. GEOFLUIDS, (6), 1-15. https://doi.org/10.1155/2022/6740531. 19. ...
- Created on 27 June 2023
- 30. The influence of the impeller design features on the combined operating process of the torque-flow pump
- (Content №2 2023)
- ... vortex pump. Engineering Computations, 36, 1579-1596. https://doi.org/10.1108/EC-09-2018-0420. 19. Kondus, V., Gusak, O., & Yevtushenko, Y. (2021). Investigation of the operating process of a high-pressure ...
- Created on 28 April 2023
- 31. Data collection system with signal optimal-routine for the mining and environmental monitoring in Vietnam
- (Content №1 2023)
- ... Hazards and Risk, 10(1), 1209-1226. https://doi.org/10.1080/19475705.2019.1568312. 2. Huang, F., Luo, X., & Liu, W. (2017). Stability analysis of hydrodynamic pressure landslides with different permeability ...
- Created on 25 February 2023
- 32. Modeling of drilling water supply wells with airlift reverse flush agent circulation
- (Content №1 2023)
- ... with backwash has been developed. The algorithm takes into account: hydrostatic and hydrodynamic pressures, and the effect on them of the rate of drilling of the well; the effect of the sludge content ...
- Created on 25 February 2023
- 33. Geomechanical substantiation of parameters for safe completion of mining the coal reserves adjacent to main workings
- (Content №1 2023)
- ... with the identification of specifics of rock pressure manifestations and predicting the probable negative consequences of conducting stope operations in the immediate vicinity; preliminary substantiation ...
- Created on 25 February 2023
- 34. Pressure distribution in the oil reservoir in a two-dimensional plane
- (Content №1 2023)
- ... article Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2023, (1): 038 - 045 https://doi.org/10.33271/nvngu/2023-1/038 Abstract: Purpose. Establishment of regularities of variability of pressure ...
- Created on 25 February 2023
- 35. Method for determining the ultimate sorption capacity of coal matter by EPR-spectroscopy
- (Content №1 2023)
- ... into physical (sorption) interaction with molecules of paramagnetic gas (O2) when the pressure increases. Processing of the research results was carried out by methods of mathematical statistics. Findings. ...
- Created on 25 February 2023
- 36. Determination of the deformation parameters of the steel reinforcing phase inside the aluminum matrix during hot rolling
- (Content №6 2022)
- ... Methodology. An experimental study on the effect of pressure on the deformation of the reinforcing phase during rolling of aluminum composites is carried out. A wire mesh and expanded mesh made ...
- Created on 25 December 2022
- 37. The influence of fissured material on tunnel stability (a numerical study)
- (Content №6 2022)
- ... 24. Wang, S., Qu, T., Fang, Y., Fu, J., & Yang, J. (2019). Stress responses associated with earth pressure balance shield tunneling in dry granular ground using the discrete-element method. International ...
- Created on 25 December 2022
- 38. Determining the parameters of stratification cavity in rock mass to extract mine methane
- (Content №6 2022)
- ... and physical parameters of load characteristics on the roof rocks of a coal seam has supported the fact that abnormal pressure areas propagate within the rock mass. The listed parameters vary from a seam ...
- Created on 25 December 2022
- 39. Haul road condition impact on tire life of mining dump truck
- (Content №6 2022)
- ... was controlled, i.e. road quality, temperature conditions, tire pressure, and other parameters on tire life. Findings. The results show the effectiveness of digital technologies and the possibility of ...
- Created on 25 December 2022
- 40. 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