Results 21 to 30 of about 19,877 (268)

A METHOD OF COMPLEX CALCULATION OF RATIONAL STRUCTURAL PARAMETERS OF RAILWAY HUMPS

open access: yesActa Polytechnica, 2018
The article deals with a method of complex calculation of rational structural parameters of humps at classification yards. Unlike existing methods, this method allows an implementation of the technology of guided gravity regulation of the cut speed by ...
Sergii Panchenko   +3 more
doaj   +1 more source

AUTOMATION OF MEASURING PARAMETERS OF THE OPERATING MODE OF POWER LINE WIRES WHEN STUDYING THE HEATING PROCESS

open access: yesИзмерение, мониторинг, управление, контроль, 2022
Background. The work is devoted to the study of the possibility of using the automation of the process of collecting and processing the results of the process of conducting experimental research when heating the wires of the power transmission line ...
I.V. Ignatenko   +3 more
doaj   +1 more source

QUASIORTHOGONAL FREQUENCY ACCESS ON SUBCARRIER FREQUENCIES

open access: yesСучасні інформаційні системи, 2019
In the article, it is described the principles of implementing the method based on quasiorthogonal frequency access on subcarrier frequencies. The key element of quasiorthogonal frequency access on subcarrier frequencies is the using of the individual ...
Yuliia Sverhunova   +3 more
doaj   +1 more source

Research of composition and properties of ash and slag waste from the Thermal Power Plant of Trans-Baikal region for decrease of anthropogenic impact on environment

open access: yesRUDN Journal of Ecology and Life Safety, 2020
The anthropogenic impact on environment of ash and slag waste of CHP 1 and CHP 2 (Chita) and CHP Priargunsky Industrial Mining and Chemical Union (Krasnokamensk) is considered.
Pavel P. Pankov   +2 more
doaj   +1 more source

A UNIFORM PROCEDURE OF A SYSTEM RESOURCES INTERACTION IN DISTRIBUTED COMPUTER MEDIA

open access: yesВісник Національного технічного університету «ХПÌ». Серія: Стратегічне управління, управління портфелями, програмами та проектами, 2017
Nowadays railways present the processes of the existing information systems and their integration into a uniform automated control system of railway freight transportation.
Serhiy V. LISTROVOY   +3 more
doaj   +1 more source

Evaluation of wear reduction measures for wheelsets and rails operated in high mountain conditions

open access: yesMATEC Web of Conferences, 2018
There are about 20 major factors influencing wear of railway system of a wheel, but the most critical include service and lubricant of rails. On the basis of locomotive depot Rodakovo the analysis of regularity of wear of a surface of wheels of the ...
Voznenko Sergei   +4 more
doaj   +1 more source

Adaptive Twisting Metamaterials

open access: yesAdvanced Materials, EarlyView.
This work introduces torque‐controlled twisting metamaterials as a transformative platform for adaptive crashworthiness. By combining multiscale predictive modeling with experimental validation on additively manufactured gyroids, it demonstrates tunable stiffness, collapse stress, and energy absorption.
Mattia Utzeri   +6 more
wiley   +1 more source

Improved bearing resistance of soil foundations of buildings with injectable polyurethane composites

open access: yesMATEC Web of Conferences, 2018
The article deals with the analysis of SPT® polyurethane materials and maintenance technologies based on them, and an analytical review of literature on the topic.
Miroshnichenko Sergii   +4 more
doaj   +1 more source

Magnetic Flux Guides by Material Extrusion

open access: yesAdvanced Science, EarlyView.
Magnetic flux guidance can increase inductive coupling and forces for magnetic sensors, actuators, and transducers. Here, a magnetic material extrusion method is used to fabricate flux concentration structures of arbitrary shapes with a magnetic permeability of 42. In line with simulation analysis, experimental results show that these materials provide
Jorge Cañada   +4 more
wiley   +1 more source

MATHEMATICAL MODEL OF OSCILLATIONS OF BEARING BODY FRAME OF EMERGENCY AND REPAIR RAILCARS [PDF]

open access: yesTransport Problems, 2017
Nowadays, the importance of maintenance and effective use of available railcars in the railway transport is growing, and researchers and technical experts are working to address this issue with the use of various techniques.
Galina KHROMOVA   +2 more
doaj   +1 more source

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