- 1. Mathematical models for determining and analyzing thermal regimes in mining industry mechanism structures
- (Content №6 2023)
- ... conductivity is described as a whole using asymmetric unit functions. This makes it possible to solve a differential equation with singular coefficients in both linear and nonlinear boundary value problems ...
- Created on 23 December 2023
- 2. Data analysis solutions to improve blasting efficiency in mining
- (Content №6 2023)
- ... detonate after differential time intervals. This solution creates interference between stress waves causing the durability of rock structures to be reduced and the blasting efficiency to be improved. Although ...
- Created on 23 December 2023
- 3. Use of backscattering ultrasound parameters for iron ore varieties recognition
- (Content №6 2023)
- ... K., Snider, L., Ryan, D., & Haworth, K. J. (2016). Size-isolation of ultrasound-mediated phase change perfluorocarbon droplets using differential centrifugation. Journal of the Acoustical Society of ...
- Created on 23 December 2023
- 4. Homomorphic filtering in digital multichannel image processing
- (Content №3 2023)
- ... Hamid, A. J., Faten, K. K., Eatedal, A., & Nazeem, M. A. (2022). A medical image enhancement based on generalized class of fractional partial differential equations. Quantitative Imaging in Medicine ...
- Created on 27 June 2023
- 5. Graphitizing modification of the axial zone of cast iron rolling rolls in the liquidus-solidus temperature range
- (Content №1 2023)
- ... and double-sided iron castings with differential structure and properties. “EUREKA: Physical Sciences and Engineering”, (1), 55-59. Retrieved from https://foundry.kpi.ua/wpcontent/uploads/2020/03/maksym_fesenko.pdf. ...
- Created on 25 February 2023
- 6. Influence of misalignment of connection of electrical machine shafts on the nature of electric power of the induction motor
- (Content №6 2022)
- ... package, the wavelet analysis of stator electric power of the motor of laboratory electrotechnical complex is performed. Findings. Differential equations of the induction motor with a short-circuited rotor ...
- Created on 25 December 2022
- 7. Mathematical simulation of autonomous wind electric installation with magnetoelectric generator
- (Content №5 2022)
- ... power plants, methods of mathematical modeling, which are based on the numerical solution of nonlinear differential equations to evaluate methods for correcting the output power in Matlab-Simulink by modifying ...
- Created on 30 October 2022
- 8. Load of the wagon-platform for transportation of bulk cargoes
- (Content №5 2022)
- ... the load of the wagon-platform of the proposed design. The solution of the system of differential equations is carried out in the MathCad software package. To do this, the mathematical model was reduced ...
- Created on 30 October 2022
- 9. Synthesis of phosphosulphate substance and properties of its structured mixture with quartz sand
- (Content №4 2022)
- ... Ultima IV unit, and differential thermal analysis was performed on the STA 449 C Jupiter synchronous thermal analyzer. Orthophosphoric acid, technical thermal, of 85% concentration, 18-hydrous sulfate ...
- Created on 29 August 2022
- 10. Forceful interaction of the casing string with the walls of a curvilinear well
- (Content №4 2022)
- ... elastic rod in the curved well. An inhomogeneous system of four differential equations is developed to describe the rods deformations. It was reduced to a first-order differential equation with respect ...
- Created on 29 August 2022
- 11. Strategies of GNSS processing and measuring under various operational conditions
- (Content №3 2022)
- ... 3. Tae, H., Kim, H.-I., & Park, K.-D. (2018). Analysis of Multi-Differential GNSS Positioning Accuracy in Various Signal Reception Environments. Journal of Positioning, Navigation, and Timing, 7(1), ...
- Created on 29 June 2022
- 12. Prospects of using the polymetallic ore processing waist for producing hardening mixtures
- (Content №3 2022)
- ... X-ray phase analyses, differential thermal and chemical analyses, the ore tailings composition was determined. The optimal qualitative composition of the hardening mixture with specified rheological and ...
- Created on 29 June 2022
- 13. Impact of stress concentration on reliability of metal structure elements of gantry cranes
- (Content №3 2022)
- ... the objective, the methods employed included analytical calculation method, finite element method, as well as differential and integral calculus methods. To study the state of the metal structure of the ...
- Created on 29 June 2022
- 14. A new approach to improving the sensitivity of earthing relay and reducing the over-voltage in 6 kV grid of open-pit mines
- (Content №2 2022)
- ... Queensland. Retrieved from https://eprints.usq.edu.au/43125/12/Narayan_S_Quinton_Redacted.pdf. 6. Ghanbari, T., Samet, H., & Ghafourifard, J. (2016). New approach to improve sensitivity of differential ...
- Created on 30 April 2022
- 15. Improvement of modeling techniques of transients in transformers based on magnetoelectric equivalent schemes
- (Content №6 2021)
- ... Approximation of functions by Chebyshevs polynomials, numerical methods of differential equations integrating, matrix methods, spline interpolation, programming, theory of electric and magnetic circuits. ...
- Created on 29 December 2021
- 16. High-frequency periodic processes in two-winding power transformers
- (Content №6 2021)
- ... periodic processes in transformers and methods of solving systems of partial differential equations are applied. Findings. The mathematical model for the research of high-frequency periodic processes in ...
- Created on 29 December 2021
- 17. Mathematical modeling of wave processes in two-winding transformers taking into account the main magnetic flux
- (Content №5 2021)
- ... and further development of the analytical method for solving the system of partial differential equations. Findings. A mathematical model for the research on wave processes in power two-winding transformers ...
- Created on 29 October 2021
- 18. Determination of vertical dynamics for a standard Ukrainian boxcar with Y25 bogies
- (Content №5 2021)
- ... (design) dimensions of the carrying elements and a boxcar with the actual dimensions (after a long service life) on the basis of the field tests. The differential equations were solved by theRungeKutta ...
- Created on 29 October 2021
- 19. Increasing the sensitivity of measurement of a moisture content in crude oil
- (Content №5 2021)
- ... with a negative differential resistance. Findings. Analytical expressions are obtained to describe the dielectric constant of an inhomogeneous mixture of water and oil. Using these equations, the capacitance ...
- Created on 29 October 2021
- 20. Compound physical and mechanical effects stimulating metastable diamond formation
- (Content №4 2021)
- ... using shock-wave effects on a metal alloy containing non-diamond carbon. Methods of infrared and ultraviolet spectroscopy, X-ray phase analysis, electron paramagnetic resonance, isotope analysis, differential ...
- Created on 23 August 2021