Results 21 to 30 of about 9,171 (215)

Analysis and Improvement of Pantograph Carbon Strip Abnormal Wear on Luoyang Metro Line 1

Chengshi guidao jiaotong yanjiu
Objective During inspection, problems like the bad pantograph and catenary relation, pantograph-catenary arcing on the main line, burning points and serious wear on the pantograph carbon strip are detected since the trial operation of Luoyang Metro Line ...
WANG Liang, NIU Xiurong, LUO Min
doaj   +1 more source

Energy Consumption and Life Cycle Costs of Overhead Catenary Heavy-Duty Trucks for Long-Haul Transportation

Energies, 2018
The overhead catenary truck is an interesting technology for long-haul transportation with heavy-duty trucks because it can combine the advantage of energy supply via catenary while driving and the flexibility of a battery truck on routes without ...
Ivan Mareev, Dirk Uwe Sauer
doaj   +1 more source

Catenary and Mercator projection

CoRR
The Mercator projection is sometimes confused with another mapping technique, specifically the central cylindrical projection, which projects the Earth's surface onto a cylinder tangent to the equator, as if a light source is at the Earth's center. Accidentally, this misconception is rather close to a truth.
Mikhail A. Akhukov, Vasiliy A. Es'kin, Mikhail E. Smorkalov   +2 more
openaire   +2 more sources

Statistical identification of geometric parameters for high speed train catenary [PDF]

, 2014
Pantograph/catenary interaction is known to be strongly dependent on the static geometry of the catenary, this research thus seeks to build a statistical model of this geometry.
BALMES, Etienne, MASSAT, Jean-Pierre, VO VAN, Olivier   +2 more
core  

Multirobot Aerial Soft Manipulator for Floating Litter Collection

Advanced Intelligent Systems, EarlyView.
A multirobot aerial manipulator enables autonomous floating litter collection by controlling the shape of a flexible rope equipped with a hook‐based tool. Adaptive rope‐shape planning enhances grasping performance while reducing tension, demonstrating the potential of aerial robots for floating litter removal. Removing floating litter from water bodies
Antonio González‐Morgado, Sander Smits, Guillermo Heredia, Anibal Ollero, Alexandre Krupa, François Chaumette, Fabien Spindler, Antonio Franchi, Chiara Gabellieri   +8 more
wiley   +1 more source

Nonlinear multi-mode interactions in subsea risers undergoing vortex-induced vibrations [PDF]

, 2009
This paper investigates nonlinear multi-mode interactions in subsea risers undergoing vortex-induced vibrations based on a computationally efficient reduced-order fluid-structure interaction model.
, KTP (Funder), O'Brien, P., KTP (Funder), Wiercigrocha, M., Srinil, N.   +4 more
core   +3 more sources

Catenaries in Riemannian surfaces

São Paulo Journal of Mathematical Sciences
AbstractThe concept of catenary has been recently extended to the sphere and the hyperbolic plane by the second author (López, arXiv:2208.13694). In this work, we define catenaries on any Riemannian surface. A catenary on a surface is a critical point of the potential functional, where we calculate the potential with the intrinsic distance to a fixed ...
Luiz C. B. da Silva, Rafael López
openaire   +4 more sources

Occurrence of severe slugging in oil production lines and mitigation methods: A numerical simulation approach using ALFAsim®

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Severe slugging represents a major challenge in offshore production systems, potentially compromising operational stability and the integrity of installations. Although established simulators such as OLGA® are widely used for its analysis, there is a gap in the literature regarding the application of the one‐dimensional simulator ALFAsim® for ...
Wayne Gabriel Nóbrega Firme, Tony Herbert Freire de Andrade, Phillipe Augusto Sales, Ricardo Soares Gomez, João Alves de Lima   +4 more
wiley   +1 more source

BUILDING AND ANALYSIS FOR DYNAMIC SIMULATION MODEL OF CATENARY

Jixie qiangdu, 2020
The catenary of full-compensated simple chain suspension widely used at present china railway was taken as the research object,and a dynamic simulation model of pantograph-catenary was established using the finite element method.
HU Yan, HUANG PanPan
doaj  

A Case Study to Monitor Parallel‐Connected Ni–Cd Batteries on EMU Trains Through Compositional Data Control Charts

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Electric multiple unit (EMU) trains, widely used in modern railway transportation, use Nickel–Cadmium (Ni–Cd) batteries to power auxiliary systems on board, including lighting, ventilation, control electronics, and emergency systems. These batteries are often connected in parallel to ensure a wider power supply range for electrical loads that ...
Christian Capezza, Guido Cesaro, Antonio Lepore, Biagio Palumbo, Emanuele Rossi   +4 more
wiley   +1 more source