- 21. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... The application of high-frequency vibrations to a drill bit is a promising means of increasing rate of penetration in deep hard formations. The implementation of such drill bit high-frequency vibrations ...
- Created on 01 May 2024
- 22. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... of an API X80 steel pipe after high-frequency hot-induction bending. Metals, 8(3), 168. https://doi.org/10.3390/met8030168. 16. Vakulenko, I. O., Vakulenko, L. I., Bolotova, D. M., Kurt, B., Asgarov, ...
- Created on 01 May 2024
- 23. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... depending on the frequency of the harmonic action, the ratio of the piezoconductivity coefficients of the layer, and the relaxation time. Profiles of the dependences of the size of the influence zone on ...
- Created on 01 May 2024
- 24. Study of leakage current in underground mine power network: a case study in mining in Vietnam
- (Content №6 2023)
- ... frequency 50 Hz, DC power networks, and power networks after variable frequency inverters. The correlation of these network parameters complicates leakage protection in the mine power network. For DC power ...
- Created on 23 December 2023
- 25. Recycling of barite ore tailings into porcelain: microstructure and dielectric properties
- (Content №6 2023)
- ... samples, encompassing dilatometric properties, apparent density, and porosity, are determined. Findings. Dielectric characterization, conducted within the frequency range of 102–105 Hz, demonstrates ...
- Created on 23 December 2023
- 26. Use of backscattering ultrasound parameters for iron ore varieties recognition
- (Content №6 2023)
- ... of iron ore of the studied deposit. Originality. The proposed method for recognizing mineral-technological varieties of iron ore differs from the known ones in that the amplitude, central frequency, ...
- Created on 23 December 2023
- 27. Smart contracts and business process automation: the technical aspect
- (Content №5 2023)
- ... of the amplitude-frequency response of a vibrating rotary crusher in the software Mathcad. Przeglad Elektrotechniczny, 98(9), 14-20. https://doi.org/10.15199/48.2022.09.03. 5. Trachova, D., Belova, I., ...
- Created on 27 October 2023
- 28. Influence of drilling mud pulsations on well cleanout efficiency
- (Content №5 2023)
- ... the drilling mud, pulsation frequency, rotation of the drill string) on the efficiency of cuttings removal along the annular space of the wellbore is analyzed. Three factors with the best interaction were ...
- Created on 27 October 2023
- 29. Magnetic stimulation of chemical reactions in coal
- (Content №4 2023)
- ... and selection of coal processing parameters (i.e. magnetic field density, frequency, energy, and a processing period) to control efficiently the chemical reactions in the carbonaceous matter. A substantiation ...
- Created on 28 August 2023
- 30. Tectonics and gravity field structure of Central Kazakhstan
- (Content №4 2023)
- ... the high-frequency gravitational effect of near-surface objects of the Earth’s crust. Practical value. The distribution of inhomogeneities in the lithosphere with various density, geomagnetic and geothermal ...
- Created on 28 August 2023
- 31. Homomorphic filtering in digital multichannel image processing
- (Content №3 2023)
- ... and Entropy Functions in the Frequency Domain. International Journal of Scientific & Engineering Research, 8(12), 743-747. 14. EOSDA LandViewer: Tackling global changes with satellite data (n.d.). ...
- Created on 27 June 2023
- 32. Mathematical model of air flow movement in a motorized filter respirator
- (Content №3 2023)
- ... L., Rohman, A. S., & Rusmin, P. H. (2012). Model Development of Air Volume and Breathing Frequency in Human Respiratory System Simulation. Procedia – Social and Behavioral Sciences, 67, 260-268. https://doi.org/10.1016/j.sbspro.2012.11.328. ...
- Created on 27 June 2023
- 33. Predicting of vertical displacements of structures of engineering buildings and facilities
- (Content №2 2023)
- ... calculations on mathematical modeling make it possible to reveal the distribution of the parameters of amplitude-frequency characteristics of the linearly deformable monolithic plate upper layer along ...
- Created on 28 April 2023
- 34. Using nonlinear ultrasonic measurements to estimate parameters of the sedimentation of slurry solid phase in thickener
- (Content №2 2023)
- ... AIP Conference Proceedings, 1806, 060004. https://doi.org/10.1063/1.4974613. 10. Shao, W., Li, X., Li, Z., Li, P., Zhu, X., Cui, Y., & Shen, J. (2022). Multifrequency ultrasonic transducers based ...
- Created on 28 April 2023
- 35. Increasing the energy efficiency of modes of distribution networks with photovoltaic stations
- (Content №1 2023)
- ... (Fourier integral); decomposition of the current spectrum by amplitude-frequency component using Mdaq-14 hardware and software platforms and LabVIEW software; the method of data correlation analysis to ...
- Created on 25 February 2023
- 36. Load of a semi-car having the dismountable roof of composites
- (Content №1 2023)
- ... 205.7 MPa. It can be seen from the modal analysis that the first original frequency of the semi-car casing is equal to 9.6 Hz, which is more than the allowable value – 8 Hz. Originality. Models for determining ...
- Created on 25 February 2023
- 37. Impact of digital maturity on sustainable development effects in energy sector in the condition of Industry 4.0
- (Content №6 2022)
- ... S. (2019). Performances of Asynchronous Motor within Variable Frequency Drive with Additional Power Source Plugged via Combined Converter. 2019 IEEE 6th International Conference on Energy Smart Systems ...
- Created on 25 December 2022
- 38. Influence of misalignment of connection of electrical machine shafts on the nature of electric power of the induction motor
- (Content №6 2022)
- ... equations of the induction machine, in the conditions of full symmetry of parameters of the scheme and the mode with eccentricity of rotating masses, low-frequency vibrations of electric power of a stator ...
- Created on 25 December 2022
- 39. Minimization of dynamic changes in the tension of long products behind the outlet cage in rolling stock production in coils
- (Content №6 2022)
- ... to winding a new layer to an acceptable level in terms of its effect on the resulting profile of the rolled product through the control of the rotation frequency of an output cage. Methodology. The conducted ...
- Created on 25 December 2022
- 40. Energy efficient technologies for the mining industry
- (Content №6 2022)
- ... into generator volume, shock pressure oscillations are realized with a frequency range from 1 to 20 kHz. Oscillatory pressure peak values are up by 4 times higher than the steady-state pressure at the ...
- Created on 25 December 2022