A fatigue crack initiation model incorporating discrete dislocation plasticity and surface roughness [PDF]
Although a thorough understanding of fatigue crack initiation is lacking, experiments have shown that the evolution of distinct dislocation distributions and surface roughness are key ingredients.
Brinckmann, Steffen +1 more
core +4 more sources
Faster identification of optimal contraction sequences for tensor networks [PDF]
The efficient evaluation of tensor expressions involving sums over multiple indices is of significant importance to many fields of research, including quantum many-body physics, loop quantum gravity, and quantum chemistry.
Haegeman, Jutho +2 more
core +3 more sources
A Method of Projecting of Electric Drive for the Traction Vehicle with wn Asynchronous Motor
This contribution describes a computing method of the continuous rating for the traction vehicle with induction traction motors. A method of specifying probable mechanical and electrical parameters and characteristics of the asynchronous motor as well as
Bernard Bednarik +3 more
doaj +1 more source
Combination system of slide variations of electric motors when using a probabilistic modelling approach of tractive effort distribution in multimotor drives of multidrive belt conveyors [PDF]
The paper is aimed at specifying and summarizing system-wide and internal slide variations of electric motors in the structures of multimotor drives of multidrive belt conveyors.
Goncharov K.A.
doaj +1 more source
Analysis of theoretical line loss in metro distribution network
IntroductionNovel cable traction power supply can eliminate phase splits and improve regenerative energy utilization in metro systems. However, the cable-based traction network has a relatively complex structure, making internal energy consumption and ...
Ying Zhao +8 more
doaj +1 more source
Comparison of Induction and PM Synchronous motor drives for EV application including design examples [PDF]
Three different motor drives for electric traction are compared, in terms of output power and efficiency at the same stack dimensions and inverter size. Induction motor (IM), surface-mounted permanent-magnet (PM) (SPM), and interior PM (IPM) synchronous ...
Boazzo, Barbara +3 more
core +1 more source
Fitler compensating installations in AC traction networks
The article discusses the design solutions to filter compensating installations (FCI), used in traction AC networks. The authors presented summarized calculations for new FCI schemes for the AC traction power system, with determination of circuit ...
L. A. German +2 more
doaj +1 more source
Measuring cellular traction forces on non-planar substrates
Animal cells use traction forces to sense the mechanics and geometry of their environment. Measuring these traction forces requires a workflow combining cell experiments, image processing and force reconstruction based on elasticity theory.
Dreissen, Georg +6 more
core +1 more source
Carrying and tractive belts loading of a multi-drive conveyor in case of accidental sliding deviations of electric motor drives [PDF]
The paper contains the results of theoretical studies of loading parameters of carrying and tractive belts of a multidrive belt conveyor in case of accidental sliding deviations of electric motor drives.
Goncharov K.A.
doaj +1 more source
Sizing criterial for traction drives [PDF]
A simplified traction drive fatigue analysis which was derived from the Lundberg-Palmgren theory is measured and the effects of rotational speed, multiplicity of contacts, and variation in the available traction coefficient on traction drive system life,
Coy, J. J. +2 more
core +1 more source

