On closed or almost closed compartment systems
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Compartment (ship)
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Matrix (chemical analysis)
Compartment (ship)
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Matrix (chemical analysis)
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System integrity is critical for completion of journey in rail transport systems. System integrity is dependent on the catenary line, pantograph and the train tracks in addition to the locomotive and the wagons. Catenary line and pantograph are the main devices for transmission of electricity to the locomotive. The level of tracks has a direct influence on the continuity of conduction between the catenary line and the pantograph. Settling of tracks momentarily separates the conduction devices, resulting in arcs. In this study we aim to detect catenary line, pantograph and track related problems automatically and in real time for safety of railroad transportation.
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Pantograph
Line (geometry)
Rail transportation
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Pantograph
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Pantograph
Timoshenko beam theory
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The catenary component is widely applied on ships and ocean engineering structures. Whetherit is for the mooring line of dockside ships, the anchor moored positioning, or various mooring structureswith different deep-sea catenary structures(such as deep-sea flexible risers, deepwater mooring systems,deep-sea steel catenary risers, etc.), as well as the mooring force response of the entire structure are of par-ticular significance. To be more specific, the catenary component in the mooring system is obviously a non-linear structure geometrically, while the accuracy of the stress analysis of the catenary is particularly impor-tant. The stiffness matrix and node force vector of the catenary element can be gained based on the flexibili-ty matrix obtained from static analytical solutions of the catenary. Finally, the catenary element is estab-lished by using the UEL(User Defined Element) from commercial finite element software ABAQUS. The re-sult is seen to be fully consistent with the analytical solution and the experimental results. In brief, it induc-es creativity to the direct calculation method of solving various complex catenary component problems.
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Mooring
Component (thermodynamics)
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In this paper, we analyzed the contents of foreign data on the causes of abnormal wear and wear characteristics of the R-bar rigid catenary. Also, compared the general straight section, compared to the general straight section, it was confirmed that the contact wire in the curved section of the R-bar rigid catenary was replaced early due to uneven wear.
After examining the case of early replacement, in order to confirm the case where the pantograph and the catenary are in slanted contact due to the effect of rail kent in the partial wear section of the catenary in the curved section of the domestic underground rigid catenary, the contact image of the catenary and the pantograph in the curved section of the rigid catenary The part identified by photographing will be described.
After examining the case of early replacement, in order to confirm the case where the pantograph and the catenary are in slanted contact due to the effect of rail kent in the partial wear section of the catenary in the curved section of the domestic underground rigid catenary, the contact image of the catenary and the pantograph in the curved section of the rigid catenary The part identified by photographing will be described.
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Pantograph
Section (typography)
Bar (unit)
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Pantograph
Rigidity (electromagnetism)
Elasticity
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Compound catenary systems on Shinkansen lines will soon enter a period where they will have to be replaced on a large-scale. In order to facilitate replacement and reduce maintenance costs, compound catenary systems can be replaced with simple catenary systems. This study explores new types of simple catenary systems developed for running speeds of about 320 km/h, which is the maximum Shinkansen commercial operating speed. In addition, a simple catenary system for operation up to 360 km/h is also being developed.
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Pantograph
Line (geometry)
Contact force
Signature (topology)
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The assembly calculation of the catenary supporting is important and difficult in the catenary profession.In order to assemble the catenary supporting in site once for all,the mechanics and mathematics analyses are made on the structure of the different parts of the catenary supporting with the full compensated chain suspension.It provides a basis for establishing a mathematic model for the assembly calculation of the catenary supporting.
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Suspension
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