Results 21 to 30 of about 144,627 (328)

Quantitative detection of locomotive wheel polygonization under non-stationary conditions by adaptive chirp mode decomposition

open access: yesRailway Engineering Science, 2022
Wheel polygonal wear is a common and severe defect, which seriously threatens the running safety and reliability of a railway vehicle especially a locomotive.
Shiqian Chen   +5 more
semanticscholar   +1 more source

Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators [PDF]

open access: yes, 2009
The French National Railways Company (SNCF) is interested in the design of a hybrid locomotive based on various storage devices (accumulator, flywheel, and ultracapacitor) and fed by a diesel generator.
Akli, Cossi Rockys   +4 more
core   +2 more sources

Analysis of Control Methods for the Traction Drive of an Alternating Current Electric Locomotive

open access: yesSymmetry, 2022
The analysis of operating conditions of traction drives of electric locomotives with asynchronous traction motors has been carried out. It was found that during operation in the output converter of an asynchronous motor, defects may occur, which leads to
S. Goolak   +4 more
semanticscholar   +1 more source

Janka Hescheles’ 'Locomotive' (to Bełżec) [PDF]

open access: yes, 2016
This article concerns the influence of the most famous Polish poem for children: Lokomotywa by Julian Tuwim, particularly in three “Holocaust” paraphrases of this work, written by children in the ghetto and the concentration camps – the poems Lokomotywa ...
Morawiec, Arkadiusz
core   +2 more sources

Wheel/rail-force–based maintenance interval extension of the C80 series wagon [PDF]

open access: yesRailway Sciences, 2023
Purpose – This study aims to introduce the achievements and benefits of applying wheel/rail-force–based maintenance interval extension of the C80 series wagon in China.
Qi Xiao   +3 more
doaj   +1 more source

Pygmy locomotion

open access: yesEuropean Journal of Applied Physiology and Occupational Physiology, 1994
The hypothesis that Pygmies may differ from Caucasians in some aspects of the mechanics of locomotion was tested. A total of 13 Pygmies and 7 Caucasians were asked to walk and run on a treadmill at 4-12 km.h-1. Simultaneous metabolic measurements and three-dimensional motion analysis were performed allowing the energy expenditure and the mechanical ...
MINETTI A. E.   +5 more
openaire   +5 more sources

An overview of a Lagrangian method for analysis of animal wake dynamics [PDF]

open access: yes, 2008
The fluid dynamic analysis of animal wakes is becoming increasingly popular in studies of animal swimming and flying, due in part to the development of quantitative flow visualization techniques such as digital particle imaging velocimetry (DPIV).
Dabiri, John O., Peng, Jifeng
core   +1 more source

A New Knowledge-Distillation-Based Method for Detecting Conveyor Belt Defects

open access: yesApplied Sciences, 2022
Aiming to assess the problems of low detection accuracy, poor reliability, and high cost of the manual inspection method for conveyor-belt-surface defect detection, in this paper we propose a new method of conveyor-belt-surface defect detection based on ...
Qi Yang   +8 more
doaj   +1 more source

Study on the Characteristics of Trackside Acoustic Flow Field of High-Speed Train under the Influence of Crosswind

open access: yesSensors, 2023
During the on-track acoustic detection process, a potential flow model and an acoustic finite element mathematical model based on synthetic wind are utilized, taking into account the combined effects of vehicle speed, wind direction angle, and crosswind ...
Xing Zhao   +3 more
doaj   +1 more source

Method of Selecting Energy-Efficient Parameters of an Electric Asynchronous Traction Motor for Diesel Shunting Locomotives—Case Study on the Example of a Locomotive Series ChME3 (ЧMЭ3, ČME3, ČKD S200)

open access: yesEnergies, 2022
One of the assumptions made during the modernization process of diesel shunting locomotives is the replacement of a diesel traction motor with a DC generator with an electric asynchronous traction motor. The article aimed to develop a method of selecting
V. Kuznetsov   +7 more
semanticscholar   +1 more source

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