Railroad engineering and operation

Results 21 to 30 of about 7,765 (258)

Simulation of contact-fatigue damage to rails in a welded rail joint area

Вестник Научно-исследовательского института железнодорожного транспорта, 2023
Introduction. The aim is to study the formation and accumulation of contact-fatigue damage in a welded rail joint area and to determine the degree of influence of the presence and deformation behaviour of the rail tread surface on an electrically welded ...
E. V. Torskaya +5 more
doaj +1 more source

Energy-Efficient Induction Heating-Based Deicing System for Railway Turnouts Under Real Snowfall Conditions

Energies
Railway turnouts are highly susceptible to snow and ice accumulation during winter, which can cause malfunctions, resulting in train delays or, in extreme cases, derailments with potential casualties.
Hyeong-Seok Oh +4 more
doaj +1 more source

Performance evaluation of bogie brake rigging in a freight car at various stages of brake blocks and wheels wear

Вестник Научно-исследовательского института железнодорожного транспорта, 2015
This research aims to evaluate compliance of reference parameters in a bogie brake rigging with guideline values throughout the whole range of possible brake blocks and wheels wear values permissible for operation.
S. V. Tuluzin, D. V. Gorskiy
doaj +1 more source

Optimal control of asynchronous drive of auxiliary machines of electric rolling stock

Вестник Научно-исследовательского института железнодорожного транспорта, 2023
Introduction. The authors considered the problem of increasing the energy efficiency of an asynchronous drive, in particular, auxiliary electric machines of an electric locomotive.
Yu. M. Kulinich +3 more
doaj +1 more source

Research of running contacts wear based on simulation of current distribution in the pantograph slide

Вестник Научно-исследовательского института железнодорожного транспорта, 2015
In order to solve the task related to wear reduction in the current shoe insert the authors defined the processes which have a bearing on their operation.
D. V. Tartynsky, M. N. Yemelyanova, A. T. Tibilov +2 more
doaj +1 more source

Effect of the load-bearing characteristics of the cushions on the longitudinal dynamics of the electric trains and the high-cycle fatigue of coupling

Вестник Научно-исследовательского института железнодорожного транспорта, 2023
Introduction. Measurements of forces in couplings on electric trains of different categories and types (including different types of drawbars) showed that the level of forces in couplings on suburban electric trains is higher than on urban express trains,
V. I. Belyaev
doaj +1 more source

Synergistic Enhancement of Fire Retardancy and Mechanical Performance in Silicone Foams Using Halogen-Free Fillers

Fire
This study explores the flame retardancy and structural behavior of silicone foam composites filled with halogen-free flame retardants, aiming to evaluate their feasibility for use in mass transportation applications.
Seong-Jun Park +5 more
doaj +1 more source

Railway transport as a tool for socio-economic development of the Russian regions (evidence from the Republic of Sakha (Yakutia))

Вестник Научно-исследовательского института железнодорожного транспорта, 2015
The article is devoted to the identification of the influence effects of transport infrastructure in the social sphere and in the regional economic development. The Republic of Sakha (Yakutia) was selected to be an object for investigation.
L. V. Khudyakova
doaj +1 more source

Passenger carriages heat insulation tool

Вестник Научно-исследовательского института железнодорожного транспорта, 2023
Introduction. This is a description of a technology for assessing the quality of thermal insulation of passenger carriages bodies using the portable tool developed.
A. N. Balalaev, M. A. Parenyuk
doaj +1 more source

Analysis and Design of a 50-kW Two Stage Converters for EV Fast Charger With High Efficiency and Wide Output Voltage of 150–1000 V

IEEE Access
Generally, the DC-DC converters used in DC fast chargers must cover a wide output voltage with a fixed input voltage, and a single module needs to supply 30-50 kW of power.
Ha-Min Park +5 more
doaj +1 more source

simulation
railway track
railway transport