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Wyświetlanie 1-15 z 67
Tytuł:
Perspective materials for frictional pairs of rolling stock
Perspektywiczne materiały do par tarcia pojazdów szynowych
Autorzy:
Golubenko, A.
Gubacheva, L.
Basov, G.
Powiązania:
https://bibliotekanauki.pl/articles/374681.pdf
Data publikacji:
2008
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
pojazd szynowy
tarcie
rolling stock
friction
Opis:
The opportunity of application of composite (chaotically - spatial) materials in the pairs of friction of axle box frictional dampers of passenger car truck is considered. The number of materials of a various composition for frictional interaction, ensuring a stable work of integrations in the period of the set term of service life, is investigated. The investigations of wear of elements of mobile integrations are carried out and the principal parameter of longevity of integrations (a speed of wearing) is determined. The recommendations on preferable application of the considered materials are given.
Źródło:
Transport Problems; 2008, 3, 3; 83-87
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aerodynamic Phenomena Caused by the Passage of a Train. Part 5 – Slipstream Infl uence on People
Autorzy:
Zbieć, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/28328219.pdf
Data publikacji:
2023
Wydawca:
Instytut Kolejnictwa
Tematy:
rolling stock
high speed railways
aerodynamic phenomena
Opis:
In the series of articles describing the aerodynamic phenomena caused by the passage of a train, the effects of a train running at high speed on itself, on other trains, on objects on the track and on people are characterized. This impact can be of two types – generated pressure and slipstream. Apart from the literature analysis, the author’s research is also taken into account. The fifth part of the series describes the impact of the slipstream on people.
Źródło:
Problemy Kolejnictwa; 2023, 199; 107--116
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aerodynamic Phenomena Caused by the Passage of a Train. Part 4: Pressure Influence on People
Autorzy:
Zbieć, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2203234.pdf
Data publikacji:
2022
Wydawca:
Instytut Kolejnictwa
Tematy:
rolling stock
high speed railways
aerodynamic phenomena
Opis:
In the series of articles describing the aerodynamic phenomena caused by the passage of a train, the effects of a train running at high speed on itself, on other trains, on objects on the track and on people are characterised. This impact can be of two types – generated pressure and slipstream. Apart from the literature analysis, the author’s research is also taken into account. The forth part presents the influence of pressure on people.
Źródło:
Problemy Kolejnictwa; 2022, 197; 175--182
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aerodynamic Phenomena Caused by the Passage of a Train. Part 1: Pressure Interaction With Objects
Autorzy:
Zbieć, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2091311.pdf
Data publikacji:
2021
Wydawca:
Instytut Kolejnictwa
Tematy:
rolling stock
high-speed railways
aerodynamic phenomenon
Opis:
The series of articles describing aerodynamic phenomena caused by train passage characterise the interaction of a train travelling at high speed with the moving train itself, on other trains, on trackside objects and on people. This interaction can be of two types – generated pressure and slipstream. Apart from the literature analysis, the author’s research was also taken into account. The first part presents the general classification of aerodynamic phenomena, the pressure change waveform in open space caused by the passage of a train and the pressure interaction with trackside objects. Conclusions are presented on the construction of a high-speed rail vehicle and the strength and location of structures on high-speed lines.
Źródło:
Problemy Kolejnictwa; 2021, 191; 103--112
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Requirements for the On-Board Part of the Stop-on-Request System in Rolling Stock
Autorzy:
Lalik, Marceli
Powiązania:
https://bibliotekanauki.pl/articles/2116437.pdf
Data publikacji:
2022
Wydawca:
Instytut Kolejnictwa
Tematy:
railway transport
rolling stock
stop on request
Opis:
The article presents technical and functional assumptions concerning the on-board stop-on-request system, which should be taken into account by railway operators and rolling stock manufacturers when placing this system into operation.
Źródło:
Problemy Kolejnictwa; 2022, 195; 117--120
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the implementation of GNSS satellite surveying technology in determining geometry of railways
Autorzy:
Strach, M.
Powiązania:
https://bibliotekanauki.pl/articles/225832.pdf
Data publikacji:
2011
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
pomiary satelitarne
tabor kolejowy
rolling stock
satellite measurements
Źródło:
Reports on Geodesy; 2011, z. 1/90; 439-445
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surveys of geometry of rail track facilities and railway tracks in the infrastructure of rail transport
Autorzy:
Strach, M.
Kampczyk, A.
Powiązania:
https://bibliotekanauki.pl/articles/225926.pdf
Data publikacji:
2011
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
pomiary geometryczne
geometrical measurements
tabor kolejowy
rolling stock
Opis:
Transportation of people and freight is carried out with the use of railways, roads, airways and waterways. Polish and European railway carriers can compete with other modes of transport only if technical and construction norms of railways are standardized. Currently the European mark et for rail transport covers diverse technical and operational standards. These include among others: technical solutions of overhead line, permissible curve radii limits, types of rail track facilities, platform heights, clearance. A variety of the existing systems and related regulations is a serious barrier in an attempt to make technical standards uniform across Europe. Similar problems also occur in the Polish technical standards related to railway infrastructure. Despite the consistency of the current technical standards in regulations and norms regarding surveys of the geometry of rail track facilities, there are inconsistencies in the field of surveying, diagnostics, and even mapping. Rail track facilities, such as turnouts and crossovers are among the most sensitive places in the railway tracks. They may result in reducing the speed of trains running via through stations. Also they significantly inhibit motion works on holding tracks and marshalling yards. Increasing rail infrastructure decapitalization leads to a decrease in the level of transportation safety and rail capacity.
Źródło:
Reports on Geodesy; 2011, z. 1/90; 429-437
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perfection of methods of determination of type of defect at the ultrasonic control of elements of rolling stock of railways
Sovershenstvovanie metody opredelenija tipa defekta pri ultrazvukom kontrole ehlementov podvizhnogo sostava zheleznykh dorog
Autorzy:
Kireev, A.
Kirichenko, I.
Powiązania:
https://bibliotekanauki.pl/articles/793338.pdf
Data publikacji:
2012
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
railway rolling stock
rolling stock
acoustic method
nondestructive control
ultrasonic control
piezoelectric transformer
ultrasonic impulsive echo-method
exploitation
safety motion
Opis:
In the article a method allowing to promote authenticity of methods of determination of type of defect at diagnosing of elements of carriage part of rolling stock of railways by an ultrasonic impulsive echo-method is developed.
В статье разработан метод, позволяющий повысить достоверность методов определения типа дефекта при диагностировании элементов экипажной части подвижного состава железных дорог ультразвуковым импульсным эхо-методом Ключевы е слова : подвижной состав железных дорог; акустический метод неразрушающего контроля; ультразвуковой контроль; ультразвуковой дефектоскоп; пьезоэлектрический преобразователь; ультразвуковой импульсный эхо-метод.
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 3
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rolling Stock Manufacturers and New Rail Vehicles in Poland
Autorzy:
Graff, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2126951.pdf
Data publikacji:
2021
Wydawca:
Instytut Kolejnictwa
Tematy:
rolling stock
manufacturer
Polska
PKP
producent
tabor kolejowy
Polska
Opis:
Ten rolling stock manufacturers were operating in Poland in 2020. These were both domestic enterprises (Pesa, Newag) as well as branches of foreign concerns (Siemens, Bombardier, Alstom, Stadler). A similar division can be deemed conventional since the aforementioned enterprises employ mostly Polish specialists or managers – and work with Polish subcontractors. On the other hand, Polish manufacturers use mainly imported components in the production process. The range of the currently manufactured rolling stock is quite wide – from multiple units to locomotives with electric and diesel drives, adapted to run on both standard and broad gauge tracks. Polish plants also manufacture underground train-sets, mostly for export. New rolling stock orders placed by operators are carried out with the support of EU funding programmes.
Źródło:
Problemy Kolejnictwa; 2021, 192; 121--152
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Collision risk mitigating system for light rail vehicles(LRV)
Autorzy:
Antkowiak, B.
Powiązania:
https://bibliotekanauki.pl/articles/94132.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
anti-collision
rolling stock
tram
safety
LIDAR
RTK
tabor
Opis:
This piece is dedicated to the description of the development of collision risk mitigating system. The proposed concept of control system is designed to enhance safety of passengers, a driver and other people in vicinity of light rail vehicles (tramways). The requirements were fulfilled thanks to the application of lidar sensor and feature of vehicle positioning on the track map created basing on precise measurements with the use of satellite navigation system Real Time Kinematic. The map allows to eliminate errors of system operation and to enhance resistance to unfavorable ambient conditions, i.e. temperature or fog. The system calculates work braking distance for particular vehicle speed. In case of obstacle detection which is closer to vehicle than the calculated braking distance, the driver is informed about a collision risk with a buzzer and optical signalization. The system has already been implemented and tested.
Źródło:
Archives of Mechanical Technology and Materials; 2018, 38; 50-56
2450-9469
Pojawia się w:
Archives of Mechanical Technology and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of upgraded hopper cars in the mining industry
Ispolzovanie modernizirovannykh vagonov-khopperov v dobyvajushhejj promyshlennosti
Autorzy:
Gubacheva, L.
Andreev, A.
Leonova, S.
Powiązania:
https://bibliotekanauki.pl/articles/792396.pdf
Data publikacji:
2012
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
transportation
rock
dump
hopper car
mining industry
railway rolling stock
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 4
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rail vehicle axle-box bearing damage detection considering the intensity of heating alteration
Autorzy:
Vaičiūnas, Gediminas
Bureika, Gintautas
Steišūnas, Stasys
Powiązania:
https://bibliotekanauki.pl/articles/1841907.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
rolling stock
axle-box
bearing damage
vibro-diagnostic method
heating alteration
Opis:
The article observes problems of detection of rolling bearing damages in rail vehicles. Two methods of bearing damage detection are examined – according to heating of axleboxes and by vibro-diagnostic manner. The disadvantage of vibro-diagnostic method is that a contact vibration sensor is used for vibration diagnostics, intervention into rail vehicle structure is required. The method according to heating of axle-boxes also has drawbacks. The same temperature value of axle-box in various conditions may characterize different bearing technical state. The Authors studied a possibility to use temperature change intensity parameters as the diagnostics criteria. Based on the examples of axle-box temperature measurement data, Authors developed and proposed a methodology for detecting axle-box bearings defects. The Authors suggest the use the method according to heating of axle-boxes. The given example proofs that the fact of the presence of their damages can be unambiguously identified by the intensity of temperature change of the axle-boxes.
Źródło:
Eksploatacja i Niezawodność; 2020, 22, 4; 724-729
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New passenger rolling stock in Poland
Autorzy:
Raczyński, J.
Graff, M.
Powiązania:
https://bibliotekanauki.pl/articles/250251.pdf
Data publikacji:
2014
Wydawca:
Instytut Naukowo-Wydawniczy TTS
Tematy:
tabor pasażerski
transport kolejowy
Polska
passenger rolling stock
Polska
railway transport
Opis:
Rail passenger transport in Poland has been bad luck over 20 years. Their decline was caused by insuffi cient investment both passenger rolling stock and rail infrastructure. As a result, railway off er has become uncompetitive in relation to road transport to the extent that part of the railway sector fell to 4%. Last years, mainly thanks to EU aid founds, condition of railway in Poland has changed for the better. In details, modernization of railway lines have begun, new modern rolling stock have been purchased, which can improve the rail travel quality. However, average age of the fl eet has already begun closer to 30 years.
Źródło:
TTS Technika Transportu Szynowego; 2014, 6; 20-29
1232-3829
2543-5728
Pojawia się w:
TTS Technika Transportu Szynowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The basic principles in development of the program module for calculating time of movement of enterprise’s rolling stock
Osnovnye principy v razrabotke programmogo modulja dlja nakhozhdenija vremeni dvizhenija manevrovogo sostava na predprijatii
Autorzy:
Nechay, T.
Shkandybin, Y.
Klyuev, A.
Balitskaya, T.
Sosnov, N.
Powiązania:
https://bibliotekanauki.pl/articles/793637.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
shunting work
rolling stock
program module
time movement
traction calculation
cargo
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2013, 13, 4
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Issues on Simulation of the Railway Rolling Stock Operation Process – A System and Literature Review
Autorzy:
Czaja, Piotr
Restel, Franciszek J.
Powiązania:
https://bibliotekanauki.pl/articles/504453.pdf
Data publikacji:
2018
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
railway traffic simulation
railway rolling stock
traffic management
train crew management
Opis:
Railway traffic simulation, taking into account operation and maintenance conditions, is not a new issue in the literature. External effects in such networks (e.g. level crossings) were not taken into account in studies. The used models do not take into account sufficiently the process of degradation and recovery of the network. From the technical side, currently carried out simulations are made using similar approaches and techniques as in the initial stage of research. Well-established work in this area could be the basis for evaluation of new solutions. However, the progress in simulation tools during the last years, especially in performance and programming architecture, attempts to create a modern simulation tool. In the paper were presented the main assumptions for the evaluated event-based simulation method, with application to stiff-track transportation networks.
Źródło:
Logistics and Transport; 2018, 37, 1; 49-60
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 67

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