- 1. Mathematical model for heat transfer during underground coal gasification process
- (Content №5 2024)
- ... duration and on the medium density, thermal conductivity coefficients, specific heat capacity of gas and coal, specific calorific value and temperature of coal combustion, initial coal temperature and ...
- Created on 29 October 2024
- 2. Mathematical models for determining and analyzing thermal regimes in mining industry mechanism structures
- (Content №6 2023)
- ... thermal conductivity, thermal stability, linearizing function, layered structure, singular coefficients References. 1. Haopeng, S., Kunkun, X., & Cunfa, G. (2021). Temperature, thermal flux and ...
- Created on 23 December 2023
- 3. Long-term thermal productivity of polystyrene concrete in a new composite wall in a fixed formwork
- (Content №3 2023)
- ... (2001). State Standard B V.2.7-105-2000 Construction materials and products. Method for determining thermal conductivity and thermal resistance under stationary thermal regime. Kyiv. Retrieved from https://ukrsmeta.ua/wp-content/uploads/files/DSTU/33.DOC. ...
- Created on 27 June 2023
- 4. Numerical studies on thermochemical processing of peat in a fixed layer
- (Content №1 2022)
- ... of the dispersed phase and the rate of heterogeneous and homogeneous chemical reactions by changing the proportion of O2 or H2O air enrichment. Keywords: fixed bed, coal, peat, thermal conductivity, steam ...
- Created on 25 February 2022
- 5. Co-firing of gas coal dust fine particles and synthetic peat gas. Part 1. Simulation of processes of steam-air gasification of peat in a fixed bed and combustion of dust and gas mix in a stream
- (Content №6 2021)
- ... was numerically investigated. The composition of the generator gas at the reactor outlet was determined. Keywords: fixed bed, coal, peat, thermal conductivity, steam-air gasification, conductive ...
- Created on 29 December 2021
- 6. Modern development of the market of ceramic construction products of Ukraine in the context of the European integration process
- (Contens №3 2020)
- ... They have also proved that: 1) due to the use of large-format ceramic blocks, it is possible to obtain a warm wall with low thermal conductivity of 0.16–0.20 W/K, which in turn allows increasing the heat ...
- Created on 02 July 2020
- 7. Simulation of heat transfer process in a multilateral cylindrical shell taking into account the internal heat sources
- (Contens №3 2020)
- ... of solving boundary value problems of the theory of thermal conductivity was applied, which includes the application of the method of reduction, the concept of quasi derivatives, the method of separation ...
- Created on 02 July 2020
- 8. Modeling of the heat transfer process taking into account bursting expansion of fire-retardant coating
- (Content №1 2020)
- ... studying boundary value problem of thermal conductivity. Problems of Infocommunications. Science and Technology, 73-76. https://doi.org/10.33108/visnyk_tntu2019.01.113. 13. Ildikó Perjési-Hámori ...
- Created on 10 March 2020
- 9. Developing a mathematical model of linkage parameters of air flow in a filter box
- (Environmental Safety, Labour Protection)
- ... S. A., Meretukov, Z. A., Koshevoi, E. P., & Kosachev, V. S. (2013). Finite Element Method for Solving Thermal Conductivity Problems. Vestnik VGUIT, 2, 10-15. 15. Pivnyak, G., Samusia, V., ...
- Created on 16 June 2019
- 10. Parameters of fire-retardant coatings of steel constructions under the influence of climatic factors
- (Geotechnical and mining mechanical engineering, machine building)
- ... and simulation models of fire protected steel plate, there was determined a coefficient of thermal conductivity of the “FENYKS STS” coating, which depends on temperature. The stable volumetric heat capacity ...
- Created on 16 June 2019
- 11. Parallel computational algorithms in thermal processes in metallurgy and mining
- (Information technologies, systems analysis and administration)
- ... 6. Shvachych, G. G. and Shmukin, A. A., 2014. On the concept of unbounded parallelism in the problems of thermal conductivity. East-European Journal of Advanced Technologies, 3(9), pp. 81‒84. ...
- Created on 27 August 2018
- 12. Creation of effective metallic thermal insulation constructions
- (Geotechnical and mining mechanical engineering, machine building)
- ... finding the objective function minimum. Findings. Dependence of the strength and effective thermal conductivity in the insulating material structure on the maximum pore diameter, and the distance ...
- Created on 11 January 2018
- 13. Perspectives of improving physical and mechanical properties of thermal coatings by electropulse exposure
- (Geotechnical and mining mechanical engineering, machine building)
- ... Originality.The laws of EPE influence on the microstructure and mechanical properties (hardness, bond strength, thermal conductivity, wear resistance) of electric arc and plasma coatings were determined. ...
- Created on 16 March 2017
- 14. Mathematical simulation of gas mixture forsed ignition for the calculation of the damaging factors of emergency explosion
- (Environmental safety, labour protection)
- ... To solve the problem it was proposed to use the method of integral heat balance in which the thermal conductivity equation is replaced by the integral heat balance. Solutions of this equation are sought ...
- Created on 17 November 2016
- 15. Preliminary assessment of heat flow from rock massif into headings and ways of its reducing for microclimat normalization in deep mines of Donbass
- (Environmental safety, labour protection)
- ... equalizing shell of rocks around tunnel due to their thermal conductivity. Using MathCAD 11 Enterprise it is defined thermal resistance of heat equalizing shell for heat flux and it is calculated values ...
- Created on 21 November 2012
- 16. Assessment of heat flow from rock massif into headings of deep mines of Donbass and cold air input required for normalization of microclimate in them
- (Environmental safety, labour protection)
- ... of rocks around the tunnel due to its thermal conductivity was worked out. By means of MathCAD 11 Enterprise the heat equalizing shell thermal resistance was determined and values of specific heat flux ...
- Created on 20 November 2012
- 17. Study of high pressure influence on durability of building materials made of industrial wastes
- (Environmental safety, labour protection)
- ... blend composition for manufacturing building materials. The studies were conducted mainly in two directions in walling building materials: strength and thermal conductivity. This is explained firstly ...
- Created on 16 November 2012
- 18. Integration of a differential heat conduction equation to determine thermal load of a disk brake of a mine locomotive
- (Geotechnical and mining mechanical engineering, machine building)
- ... and Troianskyi, O.A. (2003), Teploprovidnist [Thermal Conductivity], manual for students of higher school, Donbas, Donetsk, Ukraine. 3. Белобров В.И. Тормозные системы шахтных подъемных машин / Белобров ...
- Created on 14 November 2012
- 19. Results of analysis of induction of heating modes of machine parts with detachable connection
- (Electrical complexes and systems)
- ... method of physical modeling has been used for leveling the magnetic field on the surface of the plug and the contact thermal conductivity identification and supported by method of validation of mathematical ...
- Created on 13 November 2012
- 20. About the nature of Kirlian glow of water
- (Environmental safety, labour protection)
- ... /9_DN.../61776.doc.htm Baran, B.A., Golonzhka, V.M. and Drapak, Z.T. “Reflecting optical effect and thermal conductivity of water”, available at: www.rusnauka.com/9_DN.../ 61776.doc.htm 5. Корпачев ...
- Created on 08 November 2012