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Artículos de revistas sobre el tema "High Speed train, Energy recovery"

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Publicado: 10 de marzo de 2023

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1

Li, Ruoqiong, Junjie Wang, Xuan Zhao, and Xin Li. "Segmented Power Supply Preset Control Method of High-Speed Rail Contactless Traction Power Supply System considering Regenerative Braking Energy Recovery." Mathematical Problems in Engineering 2020 (December 19, 2020): 1–15. http://dx.doi.org/10.1155/2020/6698688.

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For high-speed rail with high energy consumption, the recovery and utilization of regenerative braking energy is essential to improve the energy consumption of high-speed rail. As a technical link, the energy bidirectional feed inductively coupled power transfer (ICPT) system can realize the regenerative braking energy recovery of the contactless traction power supply system. Furthermore, considering that the braking energy of the high-speed rail is the largest when entering the station during the whole line operation, the braking section of the station is mainly considered. This paper propose

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2

Li, Xiang, and Ziyou Gao. "Cost-benefit analysis for regenerative energy storage in metro." Chinese Management Studies 11, no. 1 (2017): 19–34. http://dx.doi.org/10.1108/cms-01-2017-0002.

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Purpose Regenerative braking is an efficient energy saving technology in urban rail system, in which the recovery energy from braking trains is collected by some equipments and released to accelerating trains when needed. However, the high cost and low lifetime of storage devices prevent the widespread use of this technology. The purpose of this paper is to conduct thorough cost-benefit analysis to facilitate China’s urban rail companies to make decisions on the use of such technology. Design/methodology/approach To evaluate the benefit from regenerative energy storage, the authors formulate a

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3

Cunillera, Alejandro, Adrián Fernández-Rodríguez, Asunción P. Cucala, Antonio Fernández-Cardador, and Maria Carmen Falvo. "Assessment of the Worthwhileness of Efficient Driving in Railway Systems with High-Receptivity Power Supplies." Energies 13, no. 7 (2020): 1836. http://dx.doi.org/10.3390/en13071836.

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Eco-driving is one of the most important strategies for significantly reducing the energy consumption of railways with low investments. It consists of designing a way of driving a train to fulfil a target running time, consuming the minimum amount of energy. Most eco-driving energy savings come from the substitution of some braking periods with coasting periods. Nowadays, modern trains can use regenerative braking to recover the kinetic energy during deceleration phases. Therefore, if the receptivity of the railway system to regenerate energy is high, a question arises: is it worth designing e

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4

Hou, Zhiqiang, Lena Jingen Liang, Bo Meng, and HwanSuk Chris Choi. "The Role of Perceived Quality on High-Speed Railway Tourists’ Behavioral Intention: An Application of the Extended Theory of Planned Behavior." Sustainability 13, no. 22 (2021): 12386. http://dx.doi.org/10.3390/su132212386.

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Since the COVID-19 pandemic, airlines worldwide have enforced strict travel restrictions, driving passengers to seek alternative transportations such as High-Speed Railway (HSR). Nevertheless, the current understanding of HSR travelers’ behavior is scarce. Moreover, despite the extensive application of the Theory of Planned Behavior (TPB) to explain and predict patrons and tourists’ behavior in the tourism and hospitality context, little research has employed this theory to examine HSR travelers’ processes in making travelling decisions. This study developed a research model by integrating per

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5

Robertson, Sherry, Dan Benardot, and Margo Mountjoy. "Nutritional Recommendations for Synchronized Swimming." International Journal of Sport Nutrition and Exercise Metabolism 24, no. 4 (2014): 404–13. http://dx.doi.org/10.1123/ijsnem.2014-0013.

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The sport of synchronized swimming is unique, because it combines speed, power, and endurance with precise synchronized movements and high-risk acrobatic maneuvers. Athletes must train and compete while spending a great amount of time underwater, upside down, and without the luxury of easily available oxygen. This review assesses the scientific evidence with respect to the physiological demands, energy expenditure, and body composition in these athletes. The role of appropriate energy requirements and guidelines for carbohydrate, protein, fat, and micronutrients for elite synchronized swimmers

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6

Arribalzaga, Soledad, Aitor Viribay, Julio Calleja-González, Diego Fernández-Lázaro, Arkaitz Castañeda-Babarro, and Juan Mielgo-Ayuso. "Relationship of Carbohydrate Intake during a Single-Stage One-Day Ultra-Trail Race with Fatigue Outcomes and Gastrointestinal Problems: A Systematic Review." International Journal of Environmental Research and Public Health 18, no. 11 (2021): 5737. http://dx.doi.org/10.3390/ijerph18115737.

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Due to the high metabolic and physical demands in single-stage one-day ultra-trail (SOUT) races, athletes should be properly prepared in both physical and nutritional aspects in order to delay fatigue and avoid associated difficulties. However, high carbohydrate (CHO) intake would seem to increase gastrointestinal (GI) problems. The main purpose of this systematic review was to evaluate CHO intake during SOUT events as well as its relationship with fatigue (in terms of internal exercise load, exercise-induced muscle damage (EIMD) and post-exercise recovery) and GI problems. A structured search

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7

Cheng, Yao, Dong Zou, Weihua Zhang, and Zhiwei Wang. "A Hybrid Time-Frequency Analysis Method for Railway Rolling-Element Bearing Fault Diagnosis." Journal of Sensors 2019 (January 10, 2019): 1–12. http://dx.doi.org/10.1155/2019/8498496.

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The health condition of rolling-element bearings is important for machine performance and operating safety. Due to external interferences, the impulse-related fault information is always buried in the raw vibration signal. To solve this problem, a hybrid time-frequency analysis method combining ensemble local mean decomposition (ELMD) and the Teager-Kaiser energy operator (TKEO) is proposed for the fault diagnosis of high-speed train bearings. The ELMD method is a significant improvement over local mean decomposition (LMD) for addressing the mode-mixing problem. The TKEO method is effective fo

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8

Hou, Yafei, Chao Wen, Ping Huang, Liping Fu, and Chaozhe Jiang. "Delay recovery model for high-speed trains with compressed train dwell time and running time." Railway Engineering Science 28, no. 4 (2020): 424–34. http://dx.doi.org/10.1007/s40534-020-00225-8.

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AbstractModeling the application of train operation adjustment actions to recover from delays is of great importance to supporting the decision-making of dispatchers. In this study, the effects of two train operation adjustment actions on train delay recovery were explored using train operation records from scheduled and actual train timetables. First, the modeling data were sorted to extract the possible influencing factors under two typical train operation adjustment actions, namely the compression of the train dwell time at stations and the compression of the train running time in sections.

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9

Yang, Xiao Yan, You Gang Xiao, and Yu Shi. "Statistical Energy Analysis of Wind Noise in High-Speed Train Cab." Applied Mechanics and Materials 249-250 (December 2012): 307–13. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.307.

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Statistical energy analysis(SEA) method has many advantages in analysis of high frequency, high modal density and complex dynamic systems. Dividing high-speed train cab into a series of sub-systems, the SEA model of high-speed train cab was established. The factors affecting the cab noise, such as modal density, damping loss factors, coupling loss factors, were gotten by theoretical analysis combined with experiments. Using large eddy simulation method, the fluctuation pressures from train head surface were calculated. Using fluctuation pressure as excitation source, wind noise spectra and pow

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10

孙, 海荣. "Analysis on the Energy Consumption of High-Speed Train." Open Journal of Acoustics and Vibration 05, no. 04 (2017): 61–66. http://dx.doi.org/10.12677/ojav.2017.54009.

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11

Castellani, Francesco, Luigi Garibaldi, Alessandro Paolo Daga, Davide Astolfi, and Francesco Natili. "Diagnosis of Faulty Wind Turbine Bearings Using Tower Vibration Measurements." Energies 13, no. 6 (2020): 1474. http://dx.doi.org/10.3390/en13061474.

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Condition monitoring of gear-based mechanical systems in non-stationary operation conditions is in general very challenging. This issue is particularly important for wind energy technology because most of the modern wind turbines are geared and gearbox damages account for at least the 20% of their unavailability time. In this work, a new method for the diagnosis of drive-train bearings damages is proposed: the general idea is that vibrations are measured at the tower instead of at the gearbox. This implies that measurements can be performed without impacting the wind turbine operation. The tes

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12

Yang, Li Fang, Xiao Wei He, and Fan Yu Meng. "Research of Aerodynamic Noise Prediction of High-Speed Train." Advanced Materials Research 562-564 (August 2012): 1133–36. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.1133.

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Under the background of China rapid development of high-speed train, this paper aims at prediction of the aerodynamic noise of train, which plays a key factor for controlling the train noise. In order to develop the prediction model of the aerodynamic noise of train, first the finite and boundary element theory are utilized to calculate the fluctuation pressure of the motion train; then Statistical Energy Analysis (SEA) model of the train noise is built and the SEA parameters are calculated. Based on the above models, the prediction method of aerodynamic noise of train is developed to calculat

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13

Chen, Dingjun, Sihan Li, Junjie Li, Shaoquan Ni, and Xiaolong Liu. "Optimal High-Speed Railway Timetable by Stop Schedule Adjustment for Energy-Saving." Journal of Advanced Transportation 2019 (December 8, 2019): 1–9. http://dx.doi.org/10.1155/2019/4213095.

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Timetable optimization techniques offer opportunity for saving energy and hence reducing operational costs for high-speed rail services. The existing energy-saving timetable optimization is mainly concentrated on the train running state adjustment and the running time redistribution between two stations. Not only the adjustment space of timetables is limited, but also it is hard for the train to reach the optimized running state in reality, and it is difficult to get feasible timetable with running time redistribution between two stations for energy-saving. This paper presents a high-speed rai

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14

Li, Benhuai, Zhaijun Lu, Kaibo Yan, Sisi Lu, Lingxiang Kong, and Ping Xu. "Experimental study of a honeycomb energy-absorbing device for high-speed trains." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 234, no. 10 (2019): 1170–83. http://dx.doi.org/10.1177/0954409719882564.

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Aluminium honeycomb is a light weight, thin-walled material with a typical multi-cellular construction and a good strength-to-weight ratio. Therefore, aluminium honeycomb can be used as an energy-absorbing device for high-speed trains. Due to its large mass and high operating speed, a high-speed train can generate large impact energy. Thus, an energy-absorbing device with a greater energy absorption capability must be designed for high-speed trains. To reduce the aerodynamic drag, the cross-sectional area of a high-speed train is limited. Therefore, a honeycomb energy-absorbing device should b

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15

Pshikhopov, Viacheslav, Mikhail Medvedev, and Anatoly Gaiduk. "Control Method for Vehicles on Base of Natural Energy Recovery." Applied Mechanics and Materials 670-671 (October 2014): 1330–36. http://dx.doi.org/10.4028/www.scientific.net/amm.670-671.1330.

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This paper is devoted to vehicle movement control method based on the natural energy recovery [1] and position-path control approach [2,3,4]. This method ensures the fullest use of kinematic energy of the controlled vehicle. Method is applied for path profile with variable height. Vehicle velocity is changed to minimize kinematic energy losses. The time of the path passage is accounted in the designed method. In this report typical profiles of the controlled vehicle are considered. In general case the vehicle velocity program is developed on base of solutions for typical profiles. The vehicle

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16

Zhan, Shuguang, Pengling Wang, S. C. Wong, and S. M. Lo. "Energy-efficient high-speed train rescheduling during a major disruption." Transportation Research Part E: Logistics and Transportation Review 157 (January 2022): 102492. http://dx.doi.org/10.1016/j.tre.2021.102492.

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17

Li, Liang, Wei Dong, Yindong Ji, and Zengke Zhang. "A minimal-energy driving strategy for high-speed electric train." Journal of Control Theory and Applications 10, no. 3 (2012): 280–86. http://dx.doi.org/10.1007/s11768-012-1129-0.

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18

Liu, Dongrun, Tiantian Wang, Xifeng Liang, Shi Meng, Mu Zhong, and Zhaijun Lu. "High-speed train overturning safety under varying wind speed conditions." Journal of Wind Engineering and Industrial Aerodynamics 198 (March 2020): 104111. http://dx.doi.org/10.1016/j.jweia.2020.104111.

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19

Li, Song Yan, Zhi Jun Zheng, and Ji Lin Yu. "Mechanical Analysis of a Cowcatcher for a High-Speed Train in Crashing." Applied Mechanics and Materials 437 (October 2013): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amm.437.18.

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A finite element model of a cowcatcher mounted at the front of a high-speed train is established and the processes when the head car crashes a rigid wall or an obstacle at different speeds are simulated by using ANSYS/LS-DYNA software. The results show that with the cowcatcher the passenger deceleration would decrease and the kinetic energy can be absorbed more quickly when the head car crashes a rigid wall. When a train crashes an obstacle on the track at a low speed, say 10m/s, the obstacle is turned up, which may destroy upper structures of the train. When the speed is high, say 50m/s, the

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20

Zhou, Hao, Yiming Wan, Hao Ye, Ming Jiang, and Jia Wang. "Real-time energy-efficient optimal control of high-speed electric train." Control Engineering Practice 112 (July 2021): 104825. http://dx.doi.org/10.1016/j.conengprac.2021.104825.

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21

Hur, Nahmkeon, Sa Ryang Kim, Chan-Shik Won, and Chang-koon Choi. "Wind load simulation for high-speed train stations." Journal of Wind Engineering and Industrial Aerodynamics 96, no. 10-11 (2008): 2042–53. http://dx.doi.org/10.1016/j.jweia.2008.02.046.

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22

Muñoz-Paniagua, J., and J. García. "Aerodynamic drag optimization of a high-speed train." Journal of Wind Engineering and Industrial Aerodynamics 204 (September 2020): 104215. http://dx.doi.org/10.1016/j.jweia.2020.104215.

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23

Meng, Xuelei, Yahui Wang, Li Lin, Lei Li, and Limin Jia. "An Integrated Model of Train Re-Scheduling and Control for High-Speed Railway." Sustainability 13, no. 21 (2021): 11933. http://dx.doi.org/10.3390/su132111933.

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The goal of train re-scheduling is redesigning the time when trains arrive at and depart from stations of a railway section, and train control problem refers to determining the operating mode for a train in a railway section. It is quite necessary to study the two problems together, and they can be viewed as a theory base for self-driving study. We build a novel model to deal with train re-scheduling and train control problem synthetically. The approach is divided into two stages. The first stage is train re-scheduling, determining the arrival and departure time for trains. Depending on the ar

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24

Liu, Jiali, Mengge Yu, Dawei Chen, and Zhigang Yang. "Study on Interior Aerodynamic Noise Characteristics of the High-Speed Maglev Train in the Low Vacuum Tube." Applied Sciences 12, no. 22 (2022): 11444. http://dx.doi.org/10.3390/app122211444.

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As the next-generation high-speed transportation system, the low vacuum tube high-speed maglev system combines the tube with a certain degree of vacuum with the high-speed maglev train, which can realize high-speed operation under low aerodynamic resistance and noise mode. In order to study the interior aerodynamic noise characteristics of the high-speed maglev train in the low vacuum tube, a computational model of the external flow field of the high-speed maglev train in a low vacuum tube was established, and the computational model of the interior aerodynamic noise of the high-speed maglev t

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25

Noh, Hee-Min. "Acoustic energy harvesting using piezoelectric generator for railway environmental noise." Advances in Mechanical Engineering 10, no. 7 (2018): 168781401878505. http://dx.doi.org/10.1177/1687814018785058.

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High-speed trains have a sustained high-noise level for long periods during operation. Although such high-noise levels are effective for acoustic energy harvesting, a practical design for an acoustic energy harvesting system from a high-speed train is lacking. In this study, the design of an energy harvesting system was implemented utilizing noise from a high-speed train during practical operation. We investigated the noise generated from a high-speed train and derived the characteristics of the main noise sources. The results confirmed that low-frequency noise of 50–200 Hz was generated in th

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26

Liu, Ji Zhou, Ren Xian Li, and Peng Xiang Cui. "Numerical Analysis of the Surface Aerodynamic Noise of the CRH3 High Speed Train." Advanced Materials Research 1044-1045 (October 2014): 643–49. http://dx.doi.org/10.4028/www.scientific.net/amr.1044-1045.643.

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For high speed trains running at 300km/h or more, the aerodynamic noise becomes the primary noise source. A good knowledge of the location, spectral characteristics and propagation behavior of the noise source and the corresponding methods to reduce the effect of the aerodynamic noise are of crucial necessity during the design process of the high speed train. Based on the Lighthill Analogy, the pressure fluctuation of air at the surface of the train is acquired by simulating the flow field of a CRH3 high speed train running at 200 km/h, 300 km/h, 400 km/h and 500km/h by means of large eddy sim

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27

Tan, Xiao-Ming, Hui-fang Liu, Zhi-Gang Yang, Jie Zhang, Zhong-gang Wang, and Yu-wei Wu. "Characteristics and Mechanism Analysis of Aerodynamic Noise Sources for High-Speed Train in Tunnel." Complexity 2018 (December 9, 2018): 1–19. http://dx.doi.org/10.1155/2018/5858415.

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We aim to study the characteristics and mechanism of the aerodynamic noise sources for a high-speed train in a tunnel at the speeds of 50 m/s, 70 m/s, 83 m/s, and 97 m/s by means of the numerical wind tunnel model and the nonreflective boundary condition. First, the large eddy simulation model was used to simulate the fluctuating flow field around a 1/8 scale model of a high-speed train that consists of three connected vehicles with bogies in the tunnel. Next, the spectral characteristics of the aerodynamic noise source for the high-speed train were obtained by performing a Fourier transform o

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28

Wang, Rong, Wan Li, Lizhi Tan, et al. "Pantograph Catenary Performance Detection of Energy High-Speed Train Based on Machine Vision." Mathematical Problems in Engineering 2022 (August 8, 2022): 1–8. http://dx.doi.org/10.1155/2022/9680545.

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With the rapid development of high-speed rail in China, addressing the issue of safety assurance during the operation of the train is very important. A very important part of a train’s power supply system is the pantograph and catenary system, which consists of a pantograph and a catenary. Failure of the pantograph-catenary system can cause significant damage to the normal operation of the train. The dynamic performance of the pantograph-catheter system must be detected in real time during the operation of the train. This paper is based on the study and analysis of pantograph-catheter dynamic

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29

Nefedova, S., L. Karpova, A. Korovushkin, P. Vandyshev та E. Shashurina. "УВЕЛИЧЕНИЕ СРОКОВ ИСПОЛЬЗОВАНИЯ КУР-НЕСУШЕК ПРОМЫШЛЕННОГО СТАДА С РАННИМ ПРИМЕНЕНИЕМ ПРЕДКЛАДКОВОГО РАЦИОНАИ ФОРСИРОВАНИЕМ ЛИНЬКИ". VESTNIK RIAZANSKOGO GOSUDARSTVENNOGO AGROTEHNOLOGICHESKOGO UNIVERSITETA IM. P.A. KOSTYCHEVA, № 3(43) (27 вересня 2019): 43–49. http://dx.doi.org/10.36508/rsatu.2019.43.41335.

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Увеличение сроков использования курнесушек является актуальной задачей для современного птицеводства. Методом регуляции сроков продуктивного периода курнесушек является применение форсирования линьки. Для ускорения сроков линьки необходимо стрессировать кур, адаптированных к современным системам производства, обладающих высокими воспроизводительными качествами. Важно, чтобы птице была обеспечена эффективная конверсия питательных веществ и кормовой энергии. Такой птице возможно ускорить сроки естественной линьки с последующим быстрым восстановлением яйценоскости. Сезонная линька у кур происходи

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30

Yang, Xiao-Mei, Chun-Xu Qu, Ting-Hua Yi, Hong-Nan Li, and Hua Liu. "Modal Analysis of a Bridge During High-Speed Train Passages by Enhanced Variational Mode Decomposition." International Journal of Structural Stability and Dynamics 20, no. 13 (2020): 2041002. http://dx.doi.org/10.1142/s0219455420410023.

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Modal analysis of bridge under high-speed trains is essential to the design and health monitoring of bridge, but it is difficult to be implemented since the vehicle–bridge interaction (VBI) effect is involved. In this paper, the time–frequency analysis technique is performed on the non-stationary train-induced bridge responses to estimate the frequency variations. To suppress the interference terms in time–frequency analysis but preserve the time-variant characteristics of responses, the enhanced variational mode decomposition (VMD) is proposed, which is used to decompose the train-induced dyn

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31

Liu, Wen, Dilong Guo, Zijian Zhang, Dawei Chen, and Guowei Yang. "Effects of Bogies on the Wake Flow of a High-Speed Train." Applied Sciences 9, no. 4 (2019): 759. http://dx.doi.org/10.3390/app9040759.

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The wake region of high-speed trains is an area of complex turbulent flow characterized by the periodic generation and shedding of vortices, which causes discomfort to passengers and affects the stability and safety of the train. In this study, the unsteady characteristics of the wake flows of three 1:1 scale China Railway High-Speed 380A (CRH380A) high-speed train models with different degrees of simplification were numerically investigated using the improved delayed detached eddy simulation (IDDES) method. Analyses of the aerodynamic forces, train-induced slipstream, and turbulent kinetic en

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32

HAGIWARA, YOSHIYASU. "Energy conservation of railway vehicles. 2 Energy conservation effect of Shinkansen high speed train." Journal of the Institute of Electrical Engineers of Japan 123, no. 7 (2003): 406–9. http://dx.doi.org/10.1541/ieejjournal.123.406.

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33

Zou, Fu, He, Cai, Zhou, and Zhou. "Wind Load Characteristics of Wind Barriers Induced by High-Speed Trains Based on Field Measurements." Applied Sciences 9, no. 22 (2019): 4865. http://dx.doi.org/10.3390/app9224865.

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This paper focuses on field measurements and analyses of train-generated wind loads on wind barriers (3.0 m height and porosity 0%) with respect to different running speeds of the CRH380A EMU vehicle. Multi-resolution analysis was conducted to identify the pressure distribution in different frequency bands. Results showed that the wind pressure on the wind barrier caused by train-induced wind had two significant impacts with opposite directions, which were the “head wave” and “tail wave”. The peak wind pressure on the wind barrier was approximately proportional to the square of the speed of th

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34

Zhang, Xiao Feng, You Gang Xiao, He Lian Deng, and Jian Feng Huang. "Investigation of Pantograph Effect on High-Speed Train Noise." Applied Mechanics and Materials 233 (November 2012): 239–42. http://dx.doi.org/10.4028/www.scientific.net/amm.233.239.

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Using microphone and removable planar microphone array, the exterior and interior vehicle noise near pantograph were investigated when the train ran at 250-350km/h, the noise spectrum characters of these areas were obtained. The results show that at the pantograph seat and in the vehicle below pantograph, the noise spectrum show a broad band distribution, and the noise energy is mainly concentrated within the range of 100Hz-2kHz. Interior vehicle noise below pantograph is a non-uniform reverberant sound field, the regions with larger sound pressure level (SPL) are distributed near the roof, th

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35

Li, Ji Shan, He Ping Li, Biao Qiang Jiao, Bao Jia Lv, De Feng Chen, and Lei Lei Gu. "Development of Cast Steel for Brake Disc of High-Speed Train." Applied Mechanics and Materials 419 (October 2013): 370–75. http://dx.doi.org/10.4028/www.scientific.net/amm.419.370.

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In this paper, based the actual application condition of domestic and international brake disc for high-speed train, the low-alloy cast steel of the brake disc for high-speed train is developed. The chemical composition, melting and casting processes as well as heat treatment technology of disc material are studied. The new low-alloy cast steel has the ideal metallographic microstructure, proper physical and mechanical properties. The tensile strength is more than 1100Mpa in 20°C condition, the impact energy value (Aku2) is more than 8J in-60°C condition. The test results show the new low-allo

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36

Zhang, Ka, Jianwei Yang, Changdong Liu, Jinhai Wang, and Dechen Yao. "Dynamic Characteristics of a Traction Drive System in High-Speed Train Based on Electromechanical Coupling Modeling under Variable Conditions." Energies 15, no. 3 (2022): 1202. http://dx.doi.org/10.3390/en15031202.

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The traction drive system of a high-speed train has a vital role in the safe and efficient operation of the train. This paper established an electromechanical coupling model of a high-speed train. The model considers the interaction of the gear pair, the equivalent connecting device of the transmission system, the equivalent circuit of the traction motor, and the direct torque control strategy. Moreover, the numerical simulation of the high-speed train model includes constant speed, traction, and braking conditions. The results indicate that the meshing frequency and the high harmonics rotatio

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37

Muto, D., Y. Takano, M. Takeichi, K. Makino, and M. Shigeyama. "D102 STATISTICAL ENERGY ANALYSIS OF INTERIOR NOISE IN A HIGH-SPEED TRAIN." Proceedings of International Symposium on Seed-up and Service Technology for Railway and Maglev Systems : STECH 2003 (2003): 136–40. http://dx.doi.org/10.1299/jsmestech.2003.136.

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Crescimbini, Fabio, Alessandro Lidozzi, Giovanni Lo Calzo, and Luca Solero. "High-Speed Electric Drive for Exhaust Gas Energy Recovery Applications." IEEE Transactions on Industrial Electronics 61, no. 6 (2014): 2998–3011. http://dx.doi.org/10.1109/tie.2013.2271602.

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Zhou, Sufen, and Jianyong Zuo. "Simulation of Brake Disc Resistance Torque of High-speed Train Considering Air Flow Field." Journal of Physics: Conference Series 2383, no. 1 (2022): 012083. http://dx.doi.org/10.1088/1742-6596/2383/1/012083.

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In order to study the flow field characteristics in the transfer rack area during the operation of high-speed train and the influence law on the wind resistance torque of brake disc, the train aerodynamic model is established, and the flow field of high-speed train under six working conditions of 200km-450km per hour is simulated. The calculation results show that the resistance and torque of the brake disc are directly proportional to the square of the speed, and the power consumption is directly proportional to the cubic of the speed. When the train runs at 450km / h, the maximum wind resist

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40

Zhu, Xiao Yu, and Jian Yong Zuo. "Power Consumption Analysis of High-Speed Train’s Brake Discs." Advanced Materials Research 765-767 (September 2013): 120–24. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.120.

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Apart from the aerodynamic drag produced by transitional motion of high-speed train, the rotational parts of the train, especially the ventilated discs mounted on axles, would also cause resistance torques due to air pumping effect, which consume traction power. In this paper the train running process is divided into traction, uniform running and braking three phases, then the power consumed by the brake discs as well as the proportion of which in total traction or braking power during the three periods is calculated based on kinetic energy theorem. The results indicate that, during traction a

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41

Fan, Hong Qiang, Ke Ping Li, and Bin Jia. "The Influence of Network Bottleneck on Train Energy Consumption in Railway Traffic." Applied Mechanics and Materials 631-632 (September 2014): 737–42. http://dx.doi.org/10.4028/www.scientific.net/amm.631-632.737.

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In this paper, an improved cellular automaton model is proposed to simulate train movement by considering reaction time and coasting strategy. Our study is focused on the factors which influence the train energy consumption around network bottleneck (i.e. stations). Here the laws of the propagation of train delay are also discussed. The simulation results demonstrate that the proposed model is suitable for simulating the train movement under high speed condition.

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42

Fang, Xiao Chun, Zhong Ping Yang, Fei Lin, and Jin Fei Qin. "Study Platform for AC Transmission System of High-Speed Train." Applied Mechanics and Materials 260-261 (December 2012): 505–10. http://dx.doi.org/10.4028/www.scientific.net/amm.260-261.505.

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Demand for CRH (China Railways High-Speed) trains, both in quantity and types, is increasing because of the rapid development of high-speed railway in China. To support the improvement and development the AC transmission system of these trains, a study platform is proposed in this paper. Target of the platform is supporting the study which contains design, verification, display etc. in detail. Platform framework is described in this paper. And the results of study on transmission system temperature rise and energy-saving operation strategy of high-speed train based on the platform are displaye

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43

Watson, Inara, Amer Ali, and Ali Bayyati. "Energy Efficiency of High-Speed Railways n." Advances in Environmental and Engineering Research 03, no. 04 (2022): 1–22. http://dx.doi.org/10.21926/aeer.2204055.

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The world is becoming more dependent on energy resources, which translates into political dependency on energy-exported states. This will significantly impact the economy, transport, and the environment around the world. Railway transport is becoming an essential mode of transportation because it can operate on an electrified network and has zero carbon emissions. High-Speed Railways (HSR) is an energy-intensive transport system, and it is important economically and environmentally to reduce the amount of used energy. This study examined high-speed rail from an energy efficiency point of view

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44

Tan, Zhaoxiang, Shaofeng Lu, Kai Bao, et al. "Adaptive Partial Train Speed Trajectory Optimization." Energies 11, no. 12 (2018): 3302. http://dx.doi.org/10.3390/en11123302.

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Train speed trajectory optimization has been proposed as an efficient and feasible method for energy-efficient train operation without many further requirements to upgrade the current railway system. This paper focuses on an adaptive partial train speed trajectory optimization problem between two arbitrary speed points with a given traveling time and distance, in comparison with full speed trajectory with zero initial and end speeds between two stations. This optimization problem is of interest in dynamic applications where scenarios keep changing due to signaling and multi-train interactions.

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45

Yu, Xueqiao, Maoxiang Lang, Yang Gao, et al. "An Empirical Study on the Design of China High-Speed Rail Express Train Operation Plan—From a Sustainable Transport Perspective." Sustainability 10, no. 7 (2018): 2478. http://dx.doi.org/10.3390/su10072478.

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The sustained and steady development of China’s economy has led to the rapid improvement of the logistics. At the same time, the rise of the e-commerce mode has given rise to a huge demand for express delivery and the express industry has entered a period of boom. Fortunately, China’s high-speed rail network has been networked, and the development of a high-speed rail express train has entered the test stage. After the high-speed rail express train is put into use, it could effectively relieve the pressure of highway transportation and significantly reduce transport pollution. To make better u

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Wu, Zhenfeng, Enyu Yang, and Wangcai Ding. "Design of large-scale streamlined head cars of high-speed trains and aerodynamic drag calculation." Archives of Transport 44, no. 4 (2017): 89–97. http://dx.doi.org/10.5604/01.3001.0010.6164.

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Aerodynamic drag plays an important role in high-speed trains, and how to reduce the aerodynamic drag is one of the most important research subjects related to modern railway systems. This paper investigates a design method for large-scale streamlined head cars of high-speed trains by adopting NURBS theory according to the outer surface characteristics of trains. This method first created the main control lines of the driver cab by inputting control point coordinates; then, auxiliary control lines were added to the main ones. Finally, the reticular region formed by the main control lines and a

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47

Lai, S. K., C. Wang, L. H. Zhang, and Y. Q. Ni. "Realizing a Self-powered Real-time Monitoring System on High-speed Trains." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 6 (2021): 434–41. http://dx.doi.org/10.3397/in-2021-1476.

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The development of the worldwide high-speed rail network is expanding at a rapid pace, imposing great challenges on the operation safety. Recent advances in wireless communications and information technology can integrate the Internet of Things and cloud computing to form a real-time monitoring platform of high-speed trains. To realize this system, a sustainable power source is indispensable. In this case, an ideal solution is to deploy a vibration-based energy harvester instead of batteries for the electrical supply of wireless sensors/devices, as vibrations induced by rail/wheel contact forc

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Zhang, Zhi Xin, Shou Ne Xiao, Guang Wu Yang, and Xiu Min Shang. "Research on Two Ends Energy-Absorbing Structure of High-Speed Railway Passenger Car Body." Advanced Materials Research 544 (June 2012): 61–66. http://dx.doi.org/10.4028/www.scientific.net/amr.544.61.

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Based on characteristics of high-speed trains, a special passive protective structure was designed and simulated by the non-linear FEA code LS-DYNA. The two-step energy-absorbing structure fixed on the cab side and the similar function structure on the other end were studied. It was proved that the two-step structure deformed orderly and had an energy absorbing capacity of 3.4MJ which could protect the cab effectively and that the rear end low stiffness zone had an energy absorbing capacity of 6.5MJ which also could protect the integrity of the passenger areas. Three typical train-to-train col

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49

Huang, Xinxing, Yihua Yao, Qinfen Lu, Xiaoyan Huang, and Youtong Fang. "Control simulation of PMSM traction system of high speed train when passing neutral section." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 35, no. 2 (2016): 782–95. http://dx.doi.org/10.1108/compel-12-2015-0445.

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Purpose – In electric system of high-speed trains, neutral sections are set to balance the three-phase load. When passing neutral sections, the train should detach from the power supply for a short time. To permanent magnet synchronous motors (PMSMs) traction system, the voltage of DC link will increase quickly due to the back-EMF of PMSM during this time. Although the energy consumption braking method can be adopted to consume the feedback energy. It not only wastes energy, but also causes more speed drop of the train. The paper aims to discuss these issues. Design/methodology/approach – In o

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Wu, Zhan Rui, Tai Yue Qi, and Lin Zhong. "Three-Dimensional Dynamic Response Analysis of Shield Tunnel under Train Loads." Applied Mechanics and Materials 90-93 (September 2011): 2062–67. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.2062.

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The vibration loads will be produced between wheel and rail on the running of the high-speed Train. The vibration energy will be transferred to the ground formation through the rail, guiding bed and tunnel lining structure, thereby causing vibration between the formation and surface and environmental interference effect problems. Thus the research of related issues caused by the high-speed train vibration has the vital great significance. The train design speed of the Shiziyang shield tunnel for Guangzhou-Shenzhen-Hong Kong passenger dedicated line is up to 350km/h. In this paper the research

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