Effect of the Anti-Yaw Damper on Carbody Vertical Vibration and Ride Comfort of Railway Vehicle
Abstract
:1. Introduction
2. Mechanical Model of Railway Vehicle
3. Equations of Motion
4. The Vehicle Dynamic Response to the Track Vertical Irregularities
5. Evaluation of Ride Comfort during Vertical Vibrations
6. Results of Numerical Simulationsand Discussion
7. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Ride Comfort Index NMV | Significance |
---|---|
NMV < 1 | Very comfortable |
1 ≤ NMV < 2 | Comfortable |
2 ≤ NMV< 4 | Medium |
4 ≤ NMV < 5 | Uncomfortable |
NMV ≥ 5 | Very uncomfortable |
mc = 34,000 kg | 2kzc = 1.2 MN/m |
mb = 3200 kg | 2czc = 34.28 kNs/m |
Jc = 1,963,840 kg·m2 | 4kzb = 4.4 MN/m |
Jb = 2048 kg·m2 | 4czb = 52.21 kNs/m |
EI = 3.158·109 Nm2 | Lc = 26.4 m |
mmc = 35,224 kg | 2ac = 19 m; 2ab = 2.56 m |
kmc = 88.998 MN/m | h = 1.6 m |
cmc = 53.117 kNm/s | b = 1 m |
k [N/m] | At Carbody Center | Against the Front Bogie | Against the Rear Bogie | |||
---|---|---|---|---|---|---|
c [Ns/m] | c [Ns/m] | c [Ns/m] | ||||
5·106 | 0.7·105 | 2.00 | 0.9·105 | 1.83 | 1.6·105 | 2.26 |
1·107 | 1.3·105 | 1.82 | 1.4·105 | 1.74 | 2.7·105 | 2.11 |
5·107 | 4.2·105 | 1.45 | 2.7·105 | 1.60 | 6.3·105 | 1.81 |
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Dumitriu, M.; Stănică, D.I. Effect of the Anti-Yaw Damper on Carbody Vertical Vibration and Ride Comfort of Railway Vehicle. Appl. Sci. 2020, 10, 8167. https://doi.org/10.3390/app10228167
Dumitriu M, Stănică DI. Effect of the Anti-Yaw Damper on Carbody Vertical Vibration and Ride Comfort of Railway Vehicle. Applied Sciences. 2020; 10(22):8167. https://doi.org/10.3390/app10228167
Chicago/Turabian StyleDumitriu, Mădălina, and Dragoș Ionuț Stănică. 2020. "Effect of the Anti-Yaw Damper on Carbody Vertical Vibration and Ride Comfort of Railway Vehicle" Applied Sciences 10, no. 22: 8167. https://doi.org/10.3390/app10228167