- 21. Perspectives of improving physical and mechanical properties of thermal coatings by electropulse exposure
- (Geotechnical and mining mechanical engineering, machine building)
- ... kHz, the amplitude – 5 kV) and PG-19M-01 powder plasma spraying (frequency – 5 kHz, the amplitude – 5 kV) were determined, which provide increased hardness (up to 35 %), density, bond strength ...
- Created on 16 March 2017
- 22. 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)
- ... the form of the passive auto-balancer) are selected analytically at which the amplitude and frequency of slow vibrations of its box are equal to the amplitude and forced oscillation frequency of the box ...
- Created on 16 March 2017
- 23. The development of the simple modified control law for the compensation of the cogging torque in the synchronous motor with permanent magnets (Entwurf einer einfachen und modifizierten rastmomentkompensation für die permanenterregte synchronmaschine)
- (Electrical complexes and system)
- ... of the operation speeds. Originality. The presented research shows that compensation of the cogging torque depends on rotation speed of the motor. Therefore the phase delay and the amplitude ratio ...
- Created on 19 January 2017
- 24. Experimental study of the influence of crossing the disjunctive geological fault on thermal regime of underground gasifier
- (Mining)
- ... underground gasifier on stable operation regime by a temperature factor. Based on the experimental data it was defined that with increase in the amplitude of geological fault by more than 0.75 of coal ...
- Created on 17 November 2016
- 25. The research of the torsional vibrations of the screw in terms of impulsive force impacts
- (Geotechnical and mining mechanical engineering, machine building)
- ... a nonlinear function. It has been determined, that in such a case the influence of impulsive forces becomes apparent only while changing the screw vibration frequency. The amplitude frequency characteristics ...
- Created on 04 February 2016
- 26. Substantiation of parameters of periodic co-operation of wheel of waggon with the joints of extended railtrack
- (Mechanics and Mining Machinery)
- Authors: Kotsupei A.M., Tytov O.O., Hankevych V.F. The expressions for the energy and the amplitude of rail-car vertical oscillations after the next rail joint on the long ...
- Created on 17 December 2012
- 27. Modeling of changes in caprock during CO2 underground geological storage
- (Solid-state physics, mineral processing)
- ... of dissolved CO2 in the caprock is limited in vertical extension. The amplitude depends essentially on the pH of the water in the reservoir at the interface with the caprock. In this scenario, the consequences ...
- Created on 08 November 2012