Zobrazeno 1 - 9
of 9
pro vyhledávání: '"V. R. Bas"'
Publikováno v:
Nauka ta progres transportu, Vol 55, Iss 1, Pp 54-61 (2014)
Purpose. The problem of determining the residual life of frame bogie elements of locomotives is a great importance for predicting their work safely and avoidance potential failures on the track. This especially concern cases when such elements have c
Externí odkaz:
https://doaj.org/article/fdca972bc8f9469c9dc0ae0164d8348a
Publikováno v:
Materials Science. 52:485-491
A new procedure for the numerical evaluation of the residual service life of a wheelset axle is proposed. The procedure is based on the kinetic equation of fatigue crack growth obtained within the energy approach of the fracture mechanics of material
Autor:
D. V. Rudavs’kyi, I. Ya. Dolins’ka, V. R. Bas, R. Ya. Yarema, V. R. Skal’s’kyi, O. S. Dubyts’kyi
Publikováno v:
Strength of Materials. 48:220-226
The calculation procedure for the period of subcritical fatigue crack growth near the lower design-envisaged hole of the pivot joint-coupled bogie frame of the electric locomotive is proposed. The procedure is based of the calculation model of the fa
Publikováno v:
Materials Science. 51:475-480
We propose a technique for the evaluation of the residual life of a hydrogenated element of a pipe containing a cracklike defect on its inner surface. The kinetics of crack propagation is studied with regard for the influence of the hydrogen concentr
Publikováno v:
Materials Science. 51:281-289
We propose a numerical method of evaluation of the period of initiation of a fatigue microcrack at the tip of a surface cavity-like defect in the race of an axle bearing of the locomotive. In this method, we use a model based on the energy approach o
Publikováno v:
Nauka ta progres transportu, Vol 55, Iss 1, Pp 54-61 (2014)
Purpose. The problem of determining the residual life of frame bogie elements of locomotives is a great importance for predicting their work safely and avoidance potential failures on the track. This especially concern cases when such elements have c
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 24, Iss 3, Pp 130-143 (2022)
TARGET. The purpose of this work is the development of a 3-D model of a power transformer to study the oscillation parameters and determine the technical condition. The technical condition of the power transformer is analyzed by the vibration amplitu
Externí odkaz:
https://doaj.org/article/e212307196344348805bc7f76756bed7
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 23, Iss 5, Pp 100-114 (2022)
THE PURPOSE. Charging infrastructure is one of the factors influencing the transition to electric vehicles, as the electric vehicles in operation are characterized by a small range and a long battery charge period. Today, the development of the charg
Externí odkaz:
https://doaj.org/article/bcc775622a6f4ea7b393b8e74443e190
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 23, Iss 3, Pp 140-153 (2021)
TARGET. The purpose of this work is to develop a non-contact laser control and measuring complex (LCMC) for vibration control of the level of pressing of windings and magnetic circuit of a power transformer. A laser vibrometer is used as a measuring
Externí odkaz:
https://doaj.org/article/95a2bf3130994d79ba1cd9a1a9e36bf3