- 21. CFD-modeling of critical deviations of combustion processes in pulverized coal boilers. Part 1. Construction of the TPP-210A boiler calculation model
- (Content №2 2024)
- ... MW power unit on the design fuel – anthracite for further analysis of its operation on sub-bituminous coal. Methodology. Modelling of solid fuel combustion was performed with the help of finite-element ...
- Created on 01 May 2024
- 22. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... properties. Methodology. Steel with 0.6 % carbon was used for the study. The steel structure corresponded to the state after compression at 1,240 °C. Mechanical properties were determined by the tensile ...
- Created on 01 May 2024
- 23. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... for moving mining mass from quarries, which ensures a reduction of economic and energy costs, as well as damage to the environment during the extraction of mineral resources. Methodology. The work used ...
- Created on 01 May 2024
- 24. Assessment of the state of the rock mass around the crosscuts under additional deformation disturbances
- (Content №2 2024)
- ... conditions of Krasnolymanska mine. Methodology. Theoretical studies are based on the use of regulatory documents on the design of mining operations in coal mines and geomechanical models developed in ...
- Created on 01 May 2024
- 25. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... Methodology. A mathematical model of non-equilibrium plane-radial filtration with a generalized dynamic Darcy law in the form of a boundary value problem in a half-space with a harmonic excitation law ...
- Created on 01 May 2024
- 26. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... Purpose. To study the modern methodology for forming a list of mineragenic factors and prospecting signs of ore fields and deposits of copper-porphyry type based on reference objects and model constructions ...
- Created on 01 May 2024
- 27. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... occurring within the Earth and are essential to our scientific and applied understanding of the planet. Methodology. The tasks were solved by a complex research method, including analysis and generalization ...
- Created on 01 May 2024
- 28. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... nanolayer, determination of the role of stress-strain state of the seam in the formation of fine coal and methane at their emissions into the mine workings. Methodology. Mathematical and experimental ...
- Created on 01 May 2024
- 29. Ecological and economic assessment of the effectiveness of implementing bioenergy technologies in the conditions of post-war recovery of Ukraine
- (Content №1 2024)
- ... waste in conditions of technogenic and military risks, while also addressing the need to reduce the extraction of fossil fuels. Methodology. The advanced global experience in bioenergy development is ...
- Created on 29 February 2024
- 30. Investment policy of construction enterprises under the conditions of marital state
- (Content №1 2024)
- ... of recommendations for improvement of investment policy in construction in wartime conditions. Methodology. In the process of studying the investment policy of construction enterprises in the conditions ...
- Created on 29 February 2024
- 31. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... of the relationship between the income of IT specialists and the experience and other characteristics of the specialist and the company, as well as the formation of relevant recommendations. Methodology. ...
- Created on 29 February 2024
- 32. Regional features of Ukrainian higher education in wartime conditions
- (Content №1 2024)
- ... Abstract: Purpose. To describe the regional organizational features of educational services proposed by higher educational institutions (HEIs) of Ukraine in wartime. Methodology. Normative documents ...
- Created on 29 February 2024
- 33. Gross regional product in Ukraine: two-dimensional analysis of regularities and territorial features
- (Content №1 2024)
- ... and specific features of changes in their gross regional product. Methodology. On the basis of a sample of statistical indicators of the socio-economic development of the regions of Ukraine for the period ...
- Created on 29 February 2024
- 34. Organizational and legal principles of information security of enterprises in the conditions of martial law in Ukraine
- (Content №1 2024)
- ... entities in the field of IS in the conditions of ML. Methodology. The general scientific and special legal methods of cognition are used: hermeneutic method allowed us to substantiate expansion of IS ...
- Created on 29 February 2024
- 35. Modeling arithmetic systems of elliptic curve cryptography using Microsoft Excel VBA
- (Content №1 2024)
- ... the capability of the Visual Basic Applications of Microsoft Excel in user friendly way. Methodology. The research is performed using research and development approach, which is divided into five steps ...
- Created on 29 February 2024
- 36. Implementation of corporate social responsibility in the context of integration with the enterprise management information system
- (Content №1 2024)
- ... model of coordination decisions regarding CSR with production and business activities of companies. Methodology. The introduction of the methods of: logical generalization made it possible to define ...
- Created on 29 February 2024
- 37. Improvement of the method of time rationing for assembling car groups on one track
- (Content №1 2024)
- ... To improve the method for standardizing the duration of the shunting operation of assembling cars on one track. This can be achieved as a result of solving the following research problems: development ...
- Created on 29 February 2024
- 38. Digital economy: opportunities for transformation of entepreneurial structures
- (Content №1 2024)
- ... 140 - 146 https://doi.org/10.33271/nvngu/2024-1/140 Abstract: Purpose. To analyze the stages of digital transformation of entrepreneurial structures and identify the levels of transformation. Methodology. ...
- Created on 29 February 2024
- 39. Two-stage problems of optimal location and distribution of the humanitarian logistics system’s structural subdivisions
- (Content №1 2024)
- ... areas while minimizing evacuation time. Methodology. System analysis of evacuation processes; mathematical modeling, the theory of continuous problems of optimal partitioning of sets, non-differentiable ...
- Created on 29 February 2024
- 40. Modeling pH changes and electrical conductivity in surface water as a result of mining activities
- (Content №1 2024)
- ... coal mine and environs affected by mining activities. Methodology. The research utilizes a combination of in-situ measurement, laboratory analysis, modeling technique using Ansys Workbench and Linear ...
- Created on 29 February 2024