Study on longitudinal dynamics of heavy haul trains running on long and steep downhills

Wentao Liu, Shuai Su, Tao Tang & Yuan Cao
This paper investigates the longitudinal dynamics performance of the combined heavy haul trains, especially for the cyclic air braking strategy on the long and steep downhill segments. Firstly, the mathematical models for calculating the longitudinal forces in the longitudinal train dynamics simulations are formulated. The brake delay time between neighbouring cars and the pressure variation of the brake cylinders in the braking and releasing processes are considered in the air braking force model. Besides, the...
1 citation reported since publication in 2021.
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