Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat
The widespread faults that occur in railway wheels and can cause a massive dynamic impact are the wheel tread flat. The current work considered changes in vehicle speed or wheel radius deviation and studied the dynamic impact load. The modal technique for the impact evaluation induced by the wheel f...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-01-01
|
| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2021/5537286 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849467606877077504 |
|---|---|
| author | Awel Momhur Y. X. Zhao Liwen Quan Sun Yazhou Xialong Zou |
| author_facet | Awel Momhur Y. X. Zhao Liwen Quan Sun Yazhou Xialong Zou |
| author_sort | Awel Momhur |
| collection | DOAJ |
| description | The widespread faults that occur in railway wheels and can cause a massive dynamic impact are the wheel tread flat. The current work considered changes in vehicle speed or wheel radius deviation and studied the dynamic impact load. The modal technique for the impact evaluation induced by the wheel flat was proposed via the finite element analysis (FEA) software package ANSYS, integrated into a multibody dynamics model of the high-speed train CRH2A (EMU) through SIMPACK. The irregularity track line has developed and depends on the selected simulation data points. Additionally, a statistical approach is designed to analyze the dynamic impact load response and effect and consider different wheel flat lengths and vehicle speeds. The train speed influence on the flat size of the vertical wheel-rail impact response and the statistical approach are discussed based on flexible, rigid wheelsets. The results show that the rigid wheel flat has the highest vertical wheel impact load and is more significant than the flexible wheel flat force. The consequences suggest that the wheelset flexibility can significantly improve vertical acceleration comparably to the rigid wheel flats. In addition, the rendering of the statistical approach shows that the hazard rate, PDF, and CDF influence increase when the flat wheel length increases. |
| format | Article |
| id | doaj-art-e0211f05a81f4ae3896fcbe343e691cd |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-e0211f05a81f4ae3896fcbe343e691cd2025-08-20T03:26:09ZengWileyShock and Vibration1070-96221875-92032021-01-01202110.1155/2021/55372865537286Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread FlatAwel Momhur0Y. X. Zhao1Liwen Quan2Sun Yazhou3Xialong Zou4School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 10031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 10031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 10031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 10031, ChinaCRRC Sifang Co., Ltd., Qingdao 266111, ChinaThe widespread faults that occur in railway wheels and can cause a massive dynamic impact are the wheel tread flat. The current work considered changes in vehicle speed or wheel radius deviation and studied the dynamic impact load. The modal technique for the impact evaluation induced by the wheel flat was proposed via the finite element analysis (FEA) software package ANSYS, integrated into a multibody dynamics model of the high-speed train CRH2A (EMU) through SIMPACK. The irregularity track line has developed and depends on the selected simulation data points. Additionally, a statistical approach is designed to analyze the dynamic impact load response and effect and consider different wheel flat lengths and vehicle speeds. The train speed influence on the flat size of the vertical wheel-rail impact response and the statistical approach are discussed based on flexible, rigid wheelsets. The results show that the rigid wheel flat has the highest vertical wheel impact load and is more significant than the flexible wheel flat force. The consequences suggest that the wheelset flexibility can significantly improve vertical acceleration comparably to the rigid wheel flats. In addition, the rendering of the statistical approach shows that the hazard rate, PDF, and CDF influence increase when the flat wheel length increases.http://dx.doi.org/10.1155/2021/5537286 |
| spellingShingle | Awel Momhur Y. X. Zhao Liwen Quan Sun Yazhou Xialong Zou Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat Shock and Vibration |
| title | Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat |
| title_full | Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat |
| title_fullStr | Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat |
| title_full_unstemmed | Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat |
| title_short | Flexible-Rigid Wheelset Introduced Dynamic Effects due to Wheel Tread Flat |
| title_sort | flexible rigid wheelset introduced dynamic effects due to wheel tread flat |
| url | http://dx.doi.org/10.1155/2021/5537286 |
| work_keys_str_mv | AT awelmomhur flexiblerigidwheelsetintroduceddynamiceffectsduetowheeltreadflat AT yxzhao flexiblerigidwheelsetintroduceddynamiceffectsduetowheeltreadflat AT liwenquan flexiblerigidwheelsetintroduceddynamiceffectsduetowheeltreadflat AT sunyazhou flexiblerigidwheelsetintroduceddynamiceffectsduetowheeltreadflat AT xialongzou flexiblerigidwheelsetintroduceddynamiceffectsduetowheeltreadflat |