- 41. Content
- (Contents №4 2017)
- ... coagulation processes and their physical and mechanical properties 5 О.Sdvyzhkova, Yu.Golovko, D.Klymenko. Effect of harmonic oscillations on ...
- Created on 15 March 2018
- 42. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft
- (Geotechnical and mining mechanical engineering, machine building)
- ... the mining industry, through the study of mathematical model of nonlinear oscillations. Mathematical models of oscillatory systems previously were studied in the literature mainly based on the numerical ...
- Created on 11 March 2018
- 43. The tumbling mill rotation stability
- (Geotechnical and mining mechanical engineering, machine building)
- ... fill of the chamber. Conditions for the occurrence of unstable motion have considerable practical significance because they cause self-excitation of auto-oscillations of the filled drum and determine improvement ...
- Created on 11 March 2018
- 44. Analytical methods for determining the effect of the dynamic process on the nonlinear flexural vibrations and the strength of compressed shaft
- (Geotechnical and mining mechanical engineering, machine building)
- ... equipment elements are based on asymptotic methods of nonlinear mechanics, wave theory of motion and the use of special Ateb-functions. Findings. In this paper, the conditions of resonant oscillations ...
- Created on 17 November 2017
- 45. 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
- 46. 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
- 47. 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
- 48. 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
- 49. 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
- 50. 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