Research of dynamic processes of the system “Vehicle – Track” using the new method of vehicle wheel with metal scale

• Autorzy: Bogdevičius M. , Žygienė R.

Identyfikatory

DOI

10.17531/ein.2018.4.15

Warianty tytułu

PL

Badanie dynamicznych procesów zachodzących w układzie „pojazd-tor” z wykorzystaniem nowej metody dla kół z metalową łuską

• Języki publikacji: EN

Abstrakty

EN

Mathematical models of vehicle wheel with metal scales are introduced in this article. When analysing the interaction between vehicle wheel with a metal scale and rail in the system “Vehicle – Track”, the changes of the kinematic and dynamic parameters of the wheel and rail contact points in time are examined, depending on the height of the 2 mm metal scale, when the length of the metal scale is 100 mm and the speed of movement is V = 40 - 100 km/h. The results obtained after the research of the system “Vehicle – Track”, when the wheel has a metal scale, help to better understand and evaluate the impact of metal scale on wheel on dynamic loads of rail and vehicle and the regularities of their movement. The appearance of a metal scale on the wheel’s surface causes technical and maintenances problems for the rolling stock. Railway standards limit the speed of movement that depends on a certain size of metal scale.

PL

W niniejszym artykule przedstawiono modele matematyczne koła pojazdu szynowego z powstałą w wyniku zużycia metalową łuską. Analizując oddziaływania pomiędzy kołem pojazdu z łuską a szyną w układzie "pojazd–tor", badano zmiany kinematycznych i dynamicznych parametrów punktów kontaktu koła z szyną zachodzące w czasie, w zależności od wysokości metalowej łuski (2mm), przy długości łuski 100 mm i zakresie prędkości ruchu pojazdu V = 40–100 km/h. Wyniki uzyskane w badaniu układu "pojazd–tor" dla kół na powierzchni których powstała metalowa łuska, umożliwiają lepsze zrozumienie oraz ocenę wpływu łuski na dynamiczne obciążenia szyny i pojazdu oraz prawidłowości ruchu pojazdu. Pojawienie się metalowej łuski na powierzchni koła powoduje problemy techniczne i obsługowe w utrzymaniu ruchu taboru kolejowego. Normy kolejowe ograniczają prędkość ruchu pojazdów szynowych, uzależniając ją od rozmiaru łuski.

Słowa kluczowe

EN

rail-wheel interaction; spatial model of metal scale; contact area; impact force; friction force; vibration

PL

oddziaływania koło–szyna; przestrzenny model łuski metalowej; obszar kontaktu; siła uderzenia; siła tarcia; wibracja

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2018
• Tom: Vol. 20, no. 4
• Strony: 638--649
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Bogdevičius M.

• Department of Mobile Machinery and Railway Transport Vilnius Gediminas Technical University Plytines g. 27, 10105 Vilnius, Lithuania

autor

Žygienė R.

• Department of study program of Electronics and Electrical Engineering Kaunas University of Applied Engineering Sciences, Tvirtoves al. 35, 50155 Kaunas, Lithuania

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