Research on the Permitted Height of Combined Center of Gravity for Railroad Cars

Chao Chen; Ziji’an Wang; Mei Han

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Paper

Research on the Permitted Height of Combined Center of Gravity for Railroad Cars

In Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering ICVMEE - Volume 1, 155-164, 2019 , Dalian City, China

Authors: Chao Chen ; Ziji’an Wang and Mei Han

Affiliation: School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China, China

Keyword(s): Railroad freight car, MBS, orthogonal experiment, combined center of gravity.

Abstract: Permitted height of combined center of gravity for railroad cars in China is studied. This study establishes a MBS model of the railroad freight car, and then validates the model. Orthogonal experiment method is used to find the worst operating condition. The factors’ levels are determined and used for designing orthogonal experiment schemes. Extensive simulations are performed for the schemes. Statistics analysis is applied to simulation results. The worst operating conditions for Grade I and III railroad are derived from objective analysis. Based on the worst operating conditions, the permitted height of combined center of gravity for railroad cars can be increased to 2500mm. The influence degree of each factor is derived by variance analysis. Factor B is a significant factor for derailment coefficient, factor A and factor C have little effect on derailment coefficient. But the three factors are significant factors for wheel unloading rate.

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Paper citation in several formats:

Chen, C.; Wang, Z. and Han, M. (2020). Research on the Permitted Height of Combined Center of Gravity for Railroad Cars. In Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering - ICVMEE; ISBN 978-989-758-412-1; ISSN 2184-741X, SciTePress, pages 155-164. DOI: 10.5220/0008848801550164

@conference{icvmee20,
author={Chao Chen. and Ziji’an Wang. and Mei Han.},
title={Research on the Permitted Height of Combined Center of Gravity for Railroad Cars},
booktitle={Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering - ICVMEE},
year={2020},
pages={155-164},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008848801550164},
isbn={978-989-758-412-1},
issn={2184-741X},
}

TY - CONF

JO - Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering - ICVMEE
TI - Research on the Permitted Height of Combined Center of Gravity for Railroad Cars
SN - 978-989-758-412-1
IS - 2184-741X
AU - Chen, C.
AU - Wang, Z.
AU - Han, M.
PY - 2020
SP - 155
EP - 164
DO - 10.5220/0008848801550164
PB - SciTePress