Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Olena Nozhenko"'
Autor:
Juraj Gerlici, Mykola Gorbunov, Olena Nozhenko, Vaclav Pistek, Sergiy Kara, Tomas Lack, Kostiantyn Kravchenko
Publikováno v:
Communications, Vol 19, Iss 2A, Pp 29-35 (2017)
Analyses of the operating problems of freight car bogies are carried out, as well as the reasons resulting in deterioration of the dynamic characteristics of modern bogies are specified. The main directions of modernization of existing bogie structur
Externí odkaz:
https://doaj.org/article/61b90961c8a64626a92c06f62bc1740f
Publikováno v:
Perner’s Contacts, Vol 12, Iss 3 (2017)
Pri modelovaní dynamiky jazdy koľajového vozidla je jedným z dôležitých vstupných parametrov geometria profilu jazdnej plochy kolesa a koľajnice. Bežne dostupné simulačné programy disponujú databázami obsahujúcimi niektoré normalizov
Externí odkaz:
https://doaj.org/article/85ed0f49cba74e14b50a50b43f6aeeed
Autor:
Gediminas Vaičiūnas, Olena Nozhenko, Vytautas Bučinskas, Gintautas Bureika, Juraj Gerlici, Mykola Gorbunov, Kateryna Kravchenko, Stasys Steišūnas
Publikováno v:
Eksploatacja i Niezawodność – Maintenance and Reliability. 21:460-467
The article describes a method of increasing the adhesion of the wheel to the rail based on the preliminary electrification of the abrasive-air mixture before its feed into a contact. A simulation model of the movement of sand in the system “inject
Autor:
Kateryna Kravchenko, Vladimír Hauser, Mária Loulová, Olena Nozhenko, Oleksij Fomin, Alfréd Pavlík, Jozef Harušinec
Publikováno v:
Manufacturing Technology. 19:42-48
In the urban railways environment, there is considerable stress of the track due to operation, which results in extensive deformation of the track geometric position, wear of the rail heads, expansion of the free channel of the track, leading to an i
Publikováno v:
Vibroengineering Procedia. 2018, vol. 18, issue 1, p. 68-72.
Reducing of frictional losses between moving parts of drivelines is a permanently current topic for both conventional internal combustion engines and modern hybrid or electric drives. The application of low viscosity oils leads to the reduction of fr
Autor:
Sergey Kara, Tomáš Lack, Olena Nozhenko, Juraj Gerlici, Ganna Chernyak, Kateryna Kravchenko, Mykola Gorbunov
Publikováno v:
Manufacturing Technology. 18:233-238
In the article the issue of perspective running parts for freight cars of new generation is considered and additions to the outdated existing classification of bogie are developed, namely introduction of such types of suspension is suggested.The resu
Publikováno v:
Manufacturing Technology. 18:303-308
Tramways in cities often ride in track curves of a small radius, which is followed by an increased effect of the vehicle on the track by the rail - wheel contact. Exactly with the aim to reduce these undesirable effects we designed a tram bogie with
Publikováno v:
Manufacturing Technology. 18:79-83
Special attention is taking place in the environment of public transport, for which higher amount of small radius curves being applied is specific. The outcome of such operation of vehicles is an increase in vehicle's effects on the track in the rail
Publikováno v:
Vibroengineering Procedia. 2017, p. 136-141.
Rubber torsional dampers with one degree of freedom are a long-time proven tool for vibration damping in crank mechanisms, especially for passenger cars. Their advantages include, in particular, a relatively simple design and low production costs. Th
Autor:
Tomáš Lack, Olena Nozhenko, Mária Loulová, Kateryna Kravchenko, Vladimír Hauser, Juraj Gerlici
Publikováno v:
Procedia Engineering. 192:289-294
Passing of vehicles along curved track is a serious technical problem, which needs special attention. It is especially actual in the environment of urban lines, where it is necessary to pass a track of small radius. There is a significant strain of t