Dynamic Behavior of a High-Speed Train Subjected to Earthquake and Emergency Braking

2020 ◽  
pp. 303-311
Author(s):  
Liang Ling ◽  
Kaiyun Wang ◽  
Wanming Zhai
Keyword(s):  
Dynamic Behavior ◽  
High Speed ◽  
High Speed Train ◽  
Emergency Braking

The Vibration Response Analysis about High-Speed Train’s Braking Wing

2012 ◽  
Vol 226-228 ◽  
pp. 102-105
Author(s):  
Wen Qing Zhu ◽  
Yang Yong Zhu
Keyword(s):  
Finite Element ◽  
High Speed ◽  
Rapid Development ◽  
Response Analysis ◽  
High Speed Train ◽  
High Speed Railway ◽  
Emergency Braking ◽  
Finite Element Software ◽  
High Speed Trains ◽  
Aerodynamic Brake

With the rapid development of high-speed railway in China, the aerodynamic brake is very likely to be an important emergency braking mode of high-speed train in the future. This paper takes aerodynamic braking wing as the object, and uses the finite element software to divide the meshes, then analyses the model influenced by static stress. After simulating the vibratory frequency response of the model in the flow field, it finds that the largest deformation happens in the middle of the upper edge of the wind wing, when the wind speed gets to 500km/h and the load frequency to 4Hz. Some conclusions of this thesis can provide reference for researching the applying the aerodynamic brake in the high-speed trains and laying the foundation for solving the riding and braking safety problems.

Dynamic behavior of two-span continuous concrete bridges under moving high-speed train

2004 ◽  
Vol 82 (4-5) ◽  
pp. 463-474 ◽  
Author(s):  
J.W. Kwark ◽  
E.S. Choi ◽  
Y.J. Kim ◽  
B.S. Kim ◽  
S.I. Kim
Keyword(s):  
Dynamic Behavior ◽  
High Speed ◽  
Concrete Bridges ◽  
High Speed Train

A study on the dynamic behavior of the Korean next-generation high-speed train

2015 ◽  
Vol 230 (4) ◽  
pp. 1053-1065 ◽  
Author(s):  
Chang-Sung Jeon ◽  
Young-Guk Kim ◽  
Joon-Hyuk Park ◽  
Seog-Won Kim ◽  
Tae-Won Park
Keyword(s):  
Dynamic Behavior ◽  
High Speed ◽  
High Speed Train ◽  
Next Generation

FEM for Brake Discs of SiC 3D Continuous Ceramic Reinforced 7075 Aluminum Alloy for CRH3 Trains Applying Emergency Braking

2011 ◽  
Vol 120 ◽  
pp. 51-55 ◽  
Author(s):  
Liang Yu ◽  
Yan Li Jiang ◽  
Sen Kai Lu ◽  
Hong Qiang Ru ◽  
Ming Fang
Keyword(s):  
Aluminum Alloy ◽  
Thermal Stress ◽  
High Speed ◽  
Distribution Model ◽  
Transient Temperature ◽  
Brake Disc ◽  
Three Dimension ◽  
High Speed Train ◽  
Emergency Braking ◽  
Aluminum Alloy 7075

The shaft disc prepared with SiC 3D continuous ceramic frame reinforced aluminum alloy 7075 (3D-SiC/Al) composite of the CRH3 high speed train with a speed at 250 km/h was chosen as the research object, and the course of emergency brake was simulated by Cosmos. A three dimension model was established, the way of applying loads were discussed, and the temperature field and thermal stress field were obtained. The result shows that the highest temperature appears at about 57 s since braking and the value is about 373 °C. The biggest stress is about 237 MPa, appearing at about 51 s since braking, the regions distribute at the surface corresponding with the radiating ribs, and near the inner diameter. The hoop stress is larger than other directions. The result shows that the thermal stress duce to the transient temperature distribution model is released well for the distribution of the 3D continuous ceramic frame reinforced aluminum alloy 7075 structure compares with the conventional brake disc, which can satisfy the requirement of the shaft disc of the high speed train with a speed at 250 km/h applying emergency braking.

On interaction of a rolling stock and geometrical parametres of high-speed networks’ route

2017 ◽  
pp. 96-104
Author(s):  
Sergey Shkurnikov ◽  
Olga Morozova
Keyword(s):  
Dynamic Behavior ◽  
Simulation Modeling ◽  
High Speed ◽  
Practical Importance ◽  
Railway Vehicle ◽  
High Speed Train ◽  
Software Application ◽  
Speed Up ◽  
Passenger Trains ◽  
Universal Mechanism

Objective: Due to the lack of global experience of holding on one track high-speed passenger trains (moving at a speed up to 400 km/h), high-speed passenger trains (moving at a speed up to 250 km/h) and special freight trains (accelerating to a speed of more than 200 km/h), the only possible way of studying the influence of a train on a track is computer simulation modeling. The analysis of the existing computer programs was carried out and the most effective programme for the solution of combined train movement was selected. Methods: Simulation modeling was applied. On the basis of the obtained model the possibility of “Universal mechanism” software practical application was considered. Results: A test simulation model of a high-speed train carriage was developed in “Universal mechanism” software application. Preliminary results showed the possibility of its usage for the study of a high-speed train and track interaction. Practical importance: Modern computer technologies make it possible to solve the tasks of dynamic interaction with a high degree of accuracy. Among the variety of software used for the study of dynamic behavior of a railway vehicle in Russia, “Universal mechanism” software application is of wide popularity and may be used for the study of dynamic behavior of different types of trains on railway tracks of different plans and profiles.

Dynamic Behavior of Railway Bridges Under High-Speed Train Loads

2000 ◽  
Vol 16 (18) ◽  
pp. 629-634
Author(s):  
Sungil KIM ◽  
Jongwon KWARK ◽  
Sungpil CHANG
Keyword(s):  
Dynamic Behavior ◽  
High Speed ◽  
High Speed Train ◽  
Railway Bridges

Research on Adhesion and Non-Adhesion Braking Characteristics for High-Speed Train

2011 ◽  
Vol 121-126 ◽  
pp. 3437-3443
Author(s):  
Hai Jun Wang ◽  
Jing Zeng ◽  
Guang Bing Luo ◽  
Zhuan Hua Liu
Keyword(s):  
High Speed ◽  
The State ◽  
High Speed Train ◽  
Braking Performance ◽  
Area Method ◽  
Emergency Braking ◽  
Braking Distance

The emergency braking deceleration and braking distance of high-speed train were studied under the conditions of adhesion brake on dry and humid rail surfaces, and adhesion and non-adhesion composite brake on humid rail surface. The average emergency braking deceleration was calculated by the area-method. The results show that the braking performance is affected significantly by the wheel/rail adhesion state and the braking performance of high-speed train can be improved by applying the adhesion and non-adhesion composite brake in the state of humid rail surface.

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