- 1. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... reservoir rocks was examined with the application of the Darcy’s device. Modern methods of experimental research analysis using mathematical and physical modeling techniques, methods for processing research ...
- Created on 28 June 2024
- 2. Cable line equivalent circuit parameters determination using the instantaneous power components
- (Content №2 2024)
- ... Identification Based on the Physical Model. IEEE International Conference on Modern Electrical and Energy Systems (MEES), (pp. 1-6). Kremenchuk, Ukraine. https://doi.org/10.1109/MEES52427.2021.9598775. ...
- Created on 01 May 2024
- 3. Characteristics of elasticity, frequency, and stability of plate connecting assemblies for vibrating machines
- (Content №2 2024)
- Authors: V.P.Shpachuk*, orcid.org/0000-0002-1714-8648, O.M.Beketov National University of Urban Economy in Kharkiv, Kharkiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. O.O.Chuprynin, orcid.org/0000-0002-8757-559X, ...
- Created on 01 May 2024
- 4. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... at increasing the reliability and accuracy of formation of geological-geophysical models. Practical value. The collected and systematized geophysical data can serve as a basis for developing plans for ...
- Created on 01 May 2024
- 5. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... 2. Pigulevsky, P. I., & Svistun, V. K. (2014). Geological and geophysical model of the Azov megablock of the Ukrainian shield (analysis, modeling, results). Donetsk: Knowledge (Donetsk branch). 3. ...
- Created on 01 May 2024
- 6. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... of cracks in coal substance is shown. Originality. For the first time, a physical model for calculating the thickness of the surface nanolayer and its surface energy for coals of different grades of ...
- Created on 01 May 2024
- 7. Heat exchange under the longitudinal movement of wet steam in finning heat exchangers
- (Content №1 2024)
- ... Improving the method of calculation of recuperative heat exchangers, if wet steam is used as the operating medium. Methodology. It is based on the analysis of the physical model of moving the two-phase ...
- Created on 29 February 2024
- 8. Optimization mathematical model of a contact air cooler for a mine turbocompressor
- (Content №5 2023)
- ... of turbocompressor contact air coolers on the operating mode and initial conditions. Methodology. The methods of analytical research, mathematical modeling, physical modeling, and mathematical statistics ...
- Created on 27 October 2023
- 9. Geophysical indicators of rare-metal ore content of Akmai-Katpar ore zone (Central Kazakhstan)
- (Content №5 2023)
- ... anomalies in the context of the analyzed ore zone. Findings. Petrophysical characteristics of Akmai-Katpar ore zone rocks have been generalized and systematized. Petrophysical model of the ore zone has ...
- Created on 27 October 2023
- 10. Hydrodynamics of vapor-liquid flows in curvilined channels of separation devices of power plants
- (Content №4 2023)
- ... depending on the dispersion and quantity of droplet liquid, flow parameters and geometric characteristics of curved channels. Methodology. The methodology is based on the analysis of the physical model ...
- Created on 28 August 2023
- 11. Magnetic stimulation of chemical reactions in coal
- (Content №4 2023)
- ... A physical model of structural and phase changes in coal, depending upon the effect by external weak magnetic field, has been developed. It has been shown that the weak magnetic field signal, being incomparably ...
- Created on 28 August 2023
- 12. Determining technological properties of drilling muds
- (Content №2 2023)
- ... modern methods of analytical analysis and experimental studies, in particular, by using general principles of mathematical and physical modelling, methods of processing the results of studies in the EXCEL, ...
- Created on 28 April 2023
- 13. Increasing the energy efficiency of modes of distribution networks with photovoltaic stations
- (Content №1 2023)
- ... determine the higher harmonic current dependence on the load of an on-grid inverter; mathematical and physical modeling in the development of a way to improve the energy efficiency of on-grid inverters ...
- Created on 25 February 2023
- 14. Approximation of blades of radial machines with multiparameter family of smooth surfaces
- (Content №6 2022)
- ... machines, as parts of power plants, air-jet engines and fuel component supply systems of rocket engines, has been suggested. The approach is based on a physical model of the working body flow over helical ...
- Created on 25 December 2022
- 15. Numerical study on deformation around underground mining structures (Algeria)
- (Content №6 2022)
- ... to Multi-seam Coal Mining: Insights from Physical Modelling. Rock Mechanics and Rock Engineering, 54(5), 1-14. China. https://doi.org/10.1007/s00603-021-02415-0. 2. Longhui, Guo (2020). Research on the ...
- Created on 25 December 2022
- 16. Oil and gas bearing potential of crystalline basement in Dnieper-Donets Basin – unbiased view
- (Content №3 2022)
- ... Geophysical model of oil and gas potential of the zones of compaction of the basement of the Dnieper-Donets basin. Bulletin of Kharkiv National University, series Geology. Geography. Ecology, 54, 30-44. ...
- Created on 29 June 2022
- 17. Experimental and theoretical studies on the operating parameters of hydromechanical drilling
- (Content №1 2022)
- ... and experimental-laboratory studies, i.e. by using certain techniques of mathematical and physical modelling, methods for processing and interpretation of the research results by means of SolidWorks, STATGRAPHICS, ...
- Created on 25 February 2022
- 18. Numerical simulation of the open pit stability based on probabilistic approach
- (Content №6 2021)
- ... https://doi.org/10.1155/2019/6862936. 8. Tao, Z., Shu, Y., Yang, X., Peng, Y., Chen, Q., & Zhang, H. (2020). Physical model test study on shear strength characteristics of slope sliding surface in ...
- Created on 29 December 2021
- 19. Effect of geological and technological parameters on the convergence in a stope
- (Content №6 2021)
- ... & Lei, Y. (2021). Characteristics of evolution of mining-induced stress field in the longwall panel: insights from physical modeling. International Journal of Coal Science & Technology, (1), 1-18. ...
- Created on 29 December 2021
- 20. Analysis of stress in the conveyor belt (Maxwell–element model)
- (Content №4 2021)
- ... System Model Based on Variable Speed Drive Control and Physical Modeling. Control and Physical Modeling. Journal of Control and Automation, 9(6), 379-388. 6. Pihnastyi, O., & Khodusov, V. (2019). The ...
- Created on 23 August 2021