- 21. 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
- 22. 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
- 23. 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
- 24. 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
- 25. 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
- 26. 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
- 27. 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
- 28. 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
- 29. 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
- 30. 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
- 31. 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
- 32. 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
- 33. 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
- 34. Load of the wagon-platform for transportation of bulk cargoes
- (Content №5 2022)
- ... the values of the natural frequencies of oscillations are within acceptable limits, because the first natural frequency has a value greater than 8 Hz. Originality. The scientific substantiation of improvement ...
- Created on 30 October 2022
- 35. Numerical study of microwave impact on gas hydrate plugs in a pipeline
- (Content №4 2022)
- ... Khan, S.H., Misra, A.K., Majumder, C.B., & Arora, A. (2020). Hydrate Dissociation Using Microwaves, Radio Frequency, Ultrasonic Radiation, and Plasma Techniques. ChemBioEng Reviews, 7(4), 1-18. https://doi.org/10.1002/cben.202000004. ...
- Created on 29 August 2022
- 36. Strategies of GNSS processing and measuring under various operational conditions
- (Content №3 2022)
- ... outputs. Trimble performed the best on the canopy site in terms of position quality and fix solution. Javad had the best agreement for horizontal, height, and 3D solutions between dual and single frequency ...
- Created on 29 June 2022
- 37. Complex measurement of parameters of iron ore magnetic separation based on ultrasonic methods
- (Content №3 2022)
- ... of computer simulation of the process of ultrasonic waves propagation, its time and frequency characteristics were obtained. Based on the data obtained using ultrasonic measurements, the coefficients of ...
- Created on 29 June 2022
- 38. Electromechanical system of turbomechanism when using an alternative source of electric energy
- (Content №2 2022)
- ... system based on wind generation. Control by rotor frequency. 2010 IEEE International Conference on Industrial Technology, 903-908. https://doi.org/10.1109/ICIT.2010.5472568. 2. Mousavi, Z., Fadaeinedjad, ...
- Created on 30 April 2022
- 39. Determination of the stability of a three-layer shell of a traveling wheel with light filler
- (Content №2 2022)
- ... 12. Ghamkhar, M., Naeem, M., Imran, M., Kamran, M., & Soutis,C. (2019). Vibration frequency analysis of three-layered cylinder shaped shell with effect of FGM central layer thickness. Scientific Reports, ...
- Created on 30 April 2022
- 40. Integrated improvement of the efficiency of computer control system of spatial orientation settings of drilling facilities
- (Content №1 2022)
- ... the drilling objects spatial orientation, as well as a possibility of smoothly tuning the characteristics of the receiving part due to the departure of the information modulated signal frequency from the ...
- Created on 25 February 2022