Freight car model with Y25 bogies stability analysis

• Autorzy: Dusza Mirosław

Identyfikatory

DOI

10.53502/RAIL-175725

• Języki publikacji: EN

Abstrakty

EN

Y25 (25Tn) bogies have been used in freight cars for over 50 years. It is a proven design with a positive opinion in many European countries. In addition to the generally positive opinion about the operational properties of the Y25 bogies, there are sometimes publications whose authors notice certain imperfections related mainly to the so-called running instability, resulting in derailment under certain motion conditions. This paper presents results simulation of motion tests of a freight car with Y25 bogies. A freight car model was created using the VI-Rail software. The research focus on determining the critical velocity and examining nature of the model solutions in the overcritical velocity range. Straight track as well as curved track motion is analysed. Empty and full wagon properties are considered. Impact of changes the suspension system selected parameters values on vehicle model solutions stability as well as the vehicle impact on track was analysed.

Słowa kluczowe

EN

Y25 bogie; lateral stability; nonlinear critical velocity; suspension; derailment quotient

• Wydawca: Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
• Czasopismo: Pojazdy Szynowe
• Rocznik: 2023
• Tom: Nr 3-4
• Strony: 13--24
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Dusza Mirosław

• Faculty of Transport, Warsaw University of Technology, Poland

• https://orcid.org/0000-0002-0979-7904

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).