Results 51 to 60 of about 134,026 (130)

Specifičnosti vučnog proračuna brzohodnih guseničnih vozila sa hidromehaničkim transmisijama / Particularities of tractive effort calculation of high-speed tracked vehicles with hydromechanical transmissions [PDF]

open access: yesVojnotehnički Glasnik, 2003
Problemima proračuna vuče brzohodnih guseničnih vozila posvećen je veliki broj radova, ali se oni, uglavnom, odnose na vozila sa ugrađenim mehaničkim transmisijama. U raduje ukazano na određene specifičnosti proračuna vuče brzohodnih guseničnih vozila sa
Milorad V. Radetić
doaj   +1 more source

Analysis and Calculation of Mechanical Characteristics of Vertical Traction Grinding Device

open access: yes机车电传动, 2021
The rail grinding vehicle transmits the power to the grinding device at the bottom of the vehicle body through the traction mechanism, so that it can run and grind along the rail.
Dan LUO   +3 more
doaj  

CALCULATION OF A MECHANICAL CHARACTERISTIC OF ELECTRIC TRACTION MOTOR OF ELECTRIC VEHICLE

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2017
The traction characteristic of an electric vehicle is the main characteristic of mechanical system that reflects its key performance indicators. Implementation of the traction characteristic is based on controlling angular speed and torque of electric ...
Phuong Le Ngo, G. I. Gulkov
doaj   +1 more source

Spur-Gear-System Efficiency at Part and Full Load [PDF]

open access: yes
A simple method for predicting the part- and full-load power loss of a steel spur gearset of arbitrary geometry supported by ball bearings is described. The analysis algebraically accounts for losses due to gear sliding, rolling traction, and windage in ...
Anderson, N. E., Loewenthal, S. H.
core   +1 more source

Research on the Process of Dynamic Modeling and Simulation for Heavy Haul Train

open access: yes机车电传动, 2015
Synchronization control was one of the base technologies of heavy haul train for freight transportation, principle of which was based on dynamics modeling and traction simulation calculation.
LYU Jie, GUO Qiyi, FU Yimin
doaj  

Stress and Fracture Analyses Under Elastic-plastic and Creep Conditions: Some Basic Developments and Computational Approaches [PDF]

open access: yes, 1983
A new hybrid-stress finite element algorith, suitable for analyses of large quasi-static deformations of inelastic solids, is presented. Principal variables in the formulation are the nominal stress-rate and spin.
Atluri, S. N.   +2 more
core   +1 more source

Uphill Traction Strategy Optimization of Middle/Low-speed Maglev Train

open access: yes机车电传动, 2016
Based on the establishment of a middle/low-speed maglev train traction calculation model, an innovative kind of uphill traction strategy was presented, which was benefit to reduce energy and save time in comparison to the traditional traction strategy ...
JIAO Yanjun, WEN Yanhui, LIU Shaoke
doaj  

Integrating Dynamics and Wear Modelling to Predict Railway Wheel Profile Evolution [PDF]

open access: yes, 2003
The aim of the work described was to predict wheel profile evolution by integrating multi-body dynamics simulations of a wheelset with a wear model. The wear modelling approach is based on a wear index commonly used in rail wear predictions.
A. Ward   +8 more
core   +1 more source

Study of Electrical Parameter Calculation for Traction Network in Single-line Tunnel Based on the Extend of Carson Theory

open access: yesKongzhi Yu Xinxi Jishu, 2016
Carson theory assumes that all conductors on the earth take the ground as an unique loop circuit, but there are multiple return paths in one actual traction network, thus it is difficult to directly determine current distribution and obtain the current ...
DENG Yunchuan, GAO Hong, CHEN Jianjun
doaj  

Powers of Traction Rectifier Substation of DC ELectric Railways 3kV

open access: yesAdvances in Electrical and Electronic Engineering, 2004
The article states main principles of dimensioning of traction supply stations DC traction current system. it also provides detailed results of the traction rectifier substation Ostrava-Svinov load measurement.
Josef Palecek
doaj  

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