- 41. Impact of stress concentration on reliability of metal structure elements of gantry cranes
- (Content №3 2022)
- ... crane taking into account coefficients of intensity and concentration of stresses which allow defining speed of growth of cracks in dangerous stress zones of a metal structure. Originality. The existing ...
- Created on 29 June 2022
- 42. Characterization and processing of low-grade iron ore from the Khanguet mine by electrostatic separation
- (Content №3 2022)
- ... purpose, two main parameters are studied, such as, the voltage between the electrodes and the rotation speed of the roll. Findings. The results of the characterization show the possibility of using the ...
- Created on 29 June 2022
- 43. On the mechanism of ionization of atoms at compression of a substance by front of the converging shock wave
- (Content №3 2022)
- ... walls penetration by high-speed microparticles. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (6), 75-83. 8. Usherenko, S.M. (1998). Superdeep penetration of particles into barriers and creation ...
- Created on 29 June 2022
- 44. Non-relational approach to developing knowledge bases of expert system prototype
- (Content №2 2022)
- ... systems for the databases: particular query set (in MySQL and Cypher languages); runtime for the specified record size (i.e. their processing speed); ease of understanding: and software support of the ...
- Created on 30 April 2022
- 45. Accounting the factor of randomity of social processes in prediction of demand for electric energy
- (Content №2 2022)
- ... 14. Rozen, V.P., Chermalyh, A.V., & Bychkovskij, A.S. (2015). Forecasting mean monthly wind speed using Bayesian forecasting approach. Electrotechnic and computer systems, (27), 151-156. ...
- Created on 30 April 2022
- 46. Disclosure of state uncertainty of the roller chain based on cross-correlation
- (Content №1 2022)
- ... in the friction change of the plate roller open-chain through the estimation of the chain friction coefficient at idle speed. Methodology. To achieve the goal, the following tasks were set: to carry out ...
- Created on 25 February 2022
- 47. Experimental and theoretical studies on the operating parameters of hydromechanical drilling
- (Content №1 2022)
- ... of sustainable drilling engineering. Scrivener publishing. 17.Moisyshyn,V., Borysevych,B., & Sheherbiy,R. (2013). Mulifactorial mathematical model of mechanical drilling speed. Mining of Mineral Deposits, ...
- Created on 25 February 2022
- 48. Analyzing and identifying the limits of 660V grid parameters to ensure electrical safety in underground coal mines
- (Content №6 2021)
- ... fault currents) must be lower than the allowance limit. However, when utilizing many new power electronic devices such as variable speed drive (VSD), the quantity of connected equipment changes due to ...
- Created on 29 December 2021
- 49. Determination of vertical dynamics for a standard Ukrainian boxcar with Y25 bogies
- (Content №5 2021)
- ... method in MathCad software suite. The initial displacements and the speeds were taken equal to zero. The following dynamic characteristics of a boxcar were obtained: acceleration of the body in the center ...
- Created on 29 October 2021
- 50. Analysis of stress in the conveyor belt (Maxwell–element model)
- (Content №4 2021)
- ... of which corresponds to the Maxwell-element model. An expression is obtained for calculating the speed of propagation of elastic vibrations along the conveyor belt, the frequency of vibrations and their ...
- Created on 23 August 2021