Searched for: subject:"rail"
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Rijneveld, Martin (author)
For railway travel the Insulated Rail Joint (IRJ) is a critical part in most railway safety systems but at the same time also considered a weak link. The IRJ creates a discontinuity in stiffness and geometry that leads to wheel-rail impact forces. The angled IRJ is a proposal to reduce these impact forces. Despite the real-world experiences with...
master thesis 2021
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Hendrikx, Rosa (author)
Concerns regarding the environmental impact of the aviation sector areincreasing. Especially short distance flights within Europe are criticized,since these itineraries could be replaced by more sustainable alternatives,namely international trains. More specifically, international trains combinedwith long distance flights, the air-rail journey,...
master thesis 2021
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Zhang, P. (author), Moraal, J. (author), Li, Z. (author)
An innovative downscale test rig called V-Track has been constructed for wheel-rail contact experiments under impact loading conditions. In this paper, a force measurement system termed a dynamometer was developed in V-Track to measure the wheel-rail contact forces. The dynamometer consists of four 3-component piezoelectric force sensors and...
journal article 2021
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Liang, Hongqin (author), Li, Wei (author), Zhou, Zhijun (author), Wen, Zefeng (author), Li, S. (author), An, Dong (author)
Based on the measured spectra of rail roughness and track structures longitudinal roughness, the rail grinding limit is studied with the help of an established coupled dynamic metro vehicle–track model and a rolling contact fatigue model. The results indicate that metro rail grinding control should be regulated according to corrugation...
journal article 2021
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Grolle, Jorik (author)
High-speed rail (HSR) is frequently seen as a promising alternative for long-distance travel by air and road, given its environmental advantages whilst offering a competitive level of service. However, due to a lack of knowledge on the design of HSR specific line configurations and the prioritisation of national and railway company interests, no...
master thesis 2020
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Naeimi, M. (author)
Rolling contact fatigue (RCF) is an important form of damage in wheels and rails that typically has surface and subsurface cracks. Squats are one of the major RCF defects that occur in the running band of rails and can create high dynamic forces and cause rail fracture if they are not detected and treated in time. In the current research, three...
doctoral thesis 2020
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Zhang, Q. (author)
China is facing the dual challenges of urbanization and motorization(Jing, 2008). The poorly organized urban centers and traditional residential planning are unable to meet the increasingly diverse demand of people. To solve these problems, the TOD model and the emerging community living circle are being favored by policy makers. Promoting urban...
master thesis 2020
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van Son, Kees (author), van Zwieteren, Raymond (author), Besier, Jorick (author), Robbertsen, Niels (author), van Hees, Simon (author), van der Storm, Geraldine (author)
Due to a global increase in food consumption and shipping, and regional developments like exploitation of the Vaca Muerta oil field, the port of Bahía Blanca in Argentina sees an opportunity to increase its activities. Therefore, a new container terminal will be constructed in the port of Bahía Blanca that can handle 500,000 TEU per year. This...
student report 2020
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Wei, Zilong (author), Nunez, Alfredo (author), Liu, Xiubo (author), Dollevoet, R.P.B.J. (author), Li, Z. (author)
This study evaluates the degradation of wheels and rails at railway crossings. The evaluation method is composed of 1) finite element simulation of dynamic wheel/crossing interaction and 2) multi-criteria analysis of wheel/rail degradation in terms of yield behavior, rolling contact fatigue (RCF) and wear. With the aid of this method, we...
journal article 2020
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Castelein, R.B. (author), Geerlings, Harry (author), van Duin, Ron (author)
The global market for conditioned transport – predominantly conducted in refrigerated containers (‘reefers’) – grows rapidly. Due to the energy usage for continuous cargo cooling, the climate impact of cold logistics chains is substantial and still increasing.<br/>In addressing climate concerns, governments have committed themselves to a ‘modal...
conference paper 2020
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Liu, X. (author), Markine, V.L. (author)
This paper presents the investigation of the root causes of the fast degradation of a railway crossing. The dynamic performance of the crossing was assessed using the sensor-based crossing instrumentation, and the measurement results were verified using the multi-body system (MBS) vehicle-crossing model. Together with the field inspections,...
journal article 2020
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Li, L. (author), Rezaei, J. (author), Tavasszy, Lorant (author), Wiegmans, B. (author), Guo, Jingwei (author), Tang, Yinying (author), Peng, Qiyuan (author)
China Railway Express (CRE) is one of the most important constituent parts of the Belt and Road Initiative. Freight demand analysis is fundamental as a basis for the operational strategy of CRE and the investment policy along the CRE-routes. Most of the existing relevant literature has focused on the organization of the train operations of...
journal article 2020
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Liang, Hongqin (author), Liu, Pengfei (author), Wang, Tianlong (author), Wang, Haoyu (author), Zhang, Kailong (author), Cao, Yunqiang (author), An, Dong (author)
For a heavy-haul locomotive within a wheel repairing period, wheel polygonal wear with different operating mileages is obtained by field testing. The test results show that the maximum radial runout of the wheel can increase to 0.87 mm and accompany with the typical damage of wheel tread shelling. Taking the wheel polygons as input excitation...
journal article 2020
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Wang, L. (author), Wang, Ping (author), Chen, Rong (author), Li, S. (author), Li, Z. (author)
Embedded rail system (ERS) is a new type of track structure with many advantages due to its continuous rail support. The rapid development of urban rail transit all over the world renders its application prospect broad. However, the cracks and debonds in ERS present a threat to the traffic safety and a possibility for high maintenance costs....
journal article 2020
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Papadimitriou, E. (author), Schneider, Chantal (author), Aguinaga Tello, Juan (author), Damen, Wouter (author), Lomba Vrouenraets, Max (author), ten Broeke, Annebel (author)
One of the main aims of introducing automation in transport is to improve safety by reducing or eliminating human errors; it is often argued however that this may induce new types of errors. There is different level of maturity with automation in different transport modes (road, aviation, maritime and rail), however no systematic research has...
journal article 2020
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Knulst, A.J. (author), Harms, Jan Jouke (author), Dankelman, J. (author)
Surgeons have indicated ergonomic problems with the surgical luminaire, which have been observed to occur during repositioning. The possibility of singularity, within the movement space of the translational subsystem of the current double-arm suspension systems, is confirmed to be the cause of these problems. In this study, a redesign of the...
journal article 2020
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Xue, Yutong (author), Xiang, Pengcheng (author), Jia, Fuyuan (author), Liu, Z. (author)
Due to their characteristics and multiple objectives, high-speed rail (HSR) projects carry more complex risks than conventional projects and high correlation and conductivity are among the associated risk factors. Previous risk assessment frameworks for rail infrastructure have ignored the effects of risk interactions that inflate risk levels...
journal article 2020
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Boesten, Jari (author)
Cyclic grinding maintenance of rails removes surface degradations and damages and restores the original rail profile, which deteriorated during wheel-rail contacts. Thus, cyclic grinding increases the service life of a rail and prevents catastrophic rail failure. Besides the advantages of cyclic grinding, concerns have risen that grinding itself...
master thesis 2019
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Gaspardo, Alessio (author)
The discussion involving BRT and LRT is well alive among policymakers, who often rely on personal preferences or, as it is called in literature, on “blind commitment” towards one system or the other for their decision-making. The reason for choosing a system according to personal taste is also caused by the unknown preferences that public...
master thesis 2019
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Khandelwal, Shubham (author)
Operational amplifiers are basic building blocks of an analog system. As a system is only as good as its building blocks. There exists a constant need for developing a high-performance amplifier. Especially if they are configured as a buffer for analog front-end applications, as the system performance is highly dependent on the quality of input...
master thesis 2019
Searched for: subject:"rail"
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