IMECH-IR  > 高温气体动力学国家重点实验室
Train model acceleration and deceleration
Yang QS(杨乾锁); Song JH(宋军浩); Li D(李多); Zhang J(张杰); Yang GW(杨国伟); Yang, QS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-TECHNOLOGICAL SCIENCES
2013-03
Volume56Issue:3Pages:642-647
ISSN1674-7321
AbstractIn order to accelerate a heavy train model with great dimensions to a speed higher than 300 km h(-1) in a moving train model testing system, compressed air is utilized to drive the train model indirectly. The gas from an air gun pushes the piston in an accelerating tube forward. The piston is connected to the trailer through a rope, and the trailer pulls the train model to the desired speed. After the testing section, the train model enters the deceleration section. The speed of the train model gradually decreases because of the braking force of the magnetic braking device on the bottom of the train model and the steel plates fixed on the floor of this device. The dissipation of kinetic energy of the trailer is also based on a similar principle. The feasibility of these methods has been examined in a 180 m-long moving train model testing system. The speed of the trailer alone reaches up to 490 km h(-1). Consequently, a 34.8 kg model accelerates up to 350 km h(-1); the smooth and safe stopping of the model is also possible.
KeywordMoving Train Model Acceleration Deceleration Magnetic Braking Air Gun Compressed Air
Subject Area实验流体力学 ; 工业空气动力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000314913900021
Funding OrganizationNational Key Technology RD Program [2009BAG12A03]; National Natural Science Foundation of China [10472123]
DepartmentLMFS流固耦合与数值计算(LHO)
Classification二类/Q2
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47103
Collection高温气体动力学国家重点实验室
Corresponding AuthorYang, QS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yang QS,Song JH,Li D,et al. Train model acceleration and deceleration[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2013,56(3):642-647
APA Yang QS,Song JH,Li D,Zhang J,Yang GW,&Yang, QS .(2013).Train model acceleration and deceleration.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,56(3),642-647.
MLA Yang QS,et al."Train model acceleration and deceleration".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 56.3(2013):642-647.
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