- 41. Effect of harmonic oscillations on a crack initiation in the rock mass
- (Mining)
- ... rocks. Originality. New approach is used to describe the rock destruction considering the elastic oscillations in the rock mass. The criterion of a crack initiation has been generalized to consider ...
- Created on 06 September 2017
- 42. The influence of viscoelastic properties of the belt on its dynamic characteristics
- (Geotechnical and mining mechanical engineering, machine building)
- ... 2007. Modeling of nonlinear oscillations for viscoelastic moving belt using generalized Hamilton’s principle. Journal of Vibration and Acoustics, 129(1), pp. 128–132. 2. Shpachuk, V.P., 2016. Effect ...
- Created on 24 July 2017
- 43. Conditions of replacing a single-frequency vibro-exciter with a dual-frequency one in the form of passive auto-balancer
- (Solid-State Physics, Mineral Processing)
- ... – 2012. – № 59 (965). – С. 132–138. 5.Shevchenko, G.A., Bobylev, A.A. andIshchuk, M.A.,2010. Justification of sieves oscillations parameters of vibrating screens. Naukovyi Visnyk Natsionalnoho ...
- Created on 16 March 2017
- 44. Relation of the level of the water in boreholes with influence of the ionosphere dynamics on results of remote comparison of standards of time
- (Solid-state physics, mineral processing)
- ... this problem, the following methods are offered: low-pass filtering of time series data with GPS in a range of fundamental frequencies of these oscillations of satellite data, linear regression, which ...
- Created on 02 October 2016
- 45. Fatigue strength of oilwell tubings screwed joints in wells curvelinear sections
- (Mining)
- ... – С. 116–125. Savula, S.F., Kolodii, V.T. and Kharchenko, Ye.V. (2004), “Assessment of influence of flow column’s oscillations on work conditions of screw joints”, Naukovyi visnyk Natzionalnoho Tekhnichnoho ...
- Created on 04 February 2016
- 46. Induction motors protection against overcurrent taking into account nonlinear distortion of phase currents
- (Electrical complexes and systems)
- ... phase currents and implementation as microprocessor device functioning algorithm. Methodology. To solve the problem the research employed the theory of the representing complex harmonic oscillations ...
- Created on 05 November 2015
- 47. Resonance phenomena in quasi-zero stiffness vibration isolation systems
- (Geotechnical and mining mechanical engineering, machine building)
- ... oscillations of vibration isolation equipment are based on the asymptotic methods of nonlinear mechanics, wave theory of motion and the use of special Ateb-functions. Findings. In this work, for ...
- Created on 30 October 2015
- 48. Cross way of steel rope fastening to a single-drum mine hoisting plant with the location of pulleys on the same axis
- (Geotechnical and mining mechanical engineering, machine building)
- ... statics has been developed. To study the transverse-longitudinal oscillations of a steel rope string the finite element model of a hoisting plant has been made. Findings. It was shown that for the ...
- Created on 30 October 2015
- 49. Induction motors protection against overcurrent taking into account nonlinear distortion of phase current
- (Electrical complexes and systems)
- ... its implementation as a microprocessor device functioning algorithm. Methodology. The research involved the theory of the representing complex harmonic oscillations analog signals expansion into the ...
- Created on 27 October 2015
- 50. Evaluation of oscillations frequency of gas-liquid interaction by image processing
- (Information technologies, systems analysis and administration)
- Authors: V.I. Yeliseyev, Cand. Sci. (Phys.-Math.), Senior Research Scientist, Dnepropetrovsk National University of O. Gonchar, Senior Research Scientist of Research Laboratory of Fluid Mechanics ...
- Created on 29 March 2015