Results 91 to 100 of about 98,921 (148)

Analysis of rolling contact spall life in 440 C steel bearing rims [PDF]

The results of a two year study of the mechanisms of spall failure in the HPOTP bearings are described. The objective was to build a foundation for detailed analyses of the contact life in terms of: cyclic plasticity, contact mechanics, spall nucleation,
Bastias, P. C., Bhargava, V., Bower, A. P., Du, J., Gupta, V., Hahn, G. T., Kulkarni, S. M., Kumar, A. M., Leng, X., Rubin, C. A.   +9 more
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Regression analysis of traction characteristics of traction fluids [PDF]

Traction data for Santotrac 50 and TDF-88 over a wide range of operating conditions were analyzed. An eight term correlation equation to predict the maximum traction coefficient and a six term correlation equation to predict the initial slope of the ...
Loewenthal, S. H., Rohn, D. A.
core   +1 more source

COMPROMISE, OPTIMAL AND TRACTIONAL ACCOUNTS ON PARETO SET

Nauka ta progres transportu, 2010
The problem of optimum traction calculations is considered as a problem about optimum distribution of a resource. The dynamic programming solution is based on a step-by-step calculation of set of points of Pareto-optimum values of a criterion function ...
V. V. Lahuta
doaj  

Electric Power Supply System with Negligible Voltage Asymmetry Coefficient on the Input Side of the Main Traction Transformer

Вестник Научно-исследовательского института железнодорожного транспорта, 2015
The paper tackles the substantiation aspect of the AC traction power supply system (TPSS) allowing reduction to the permissible level in the voltage symmetry coefficient on the input side of the main traction transformer of the AC traction substation ...
A. B. Kosarev, M. V. Alexeenko
doaj  

ANALYSIS OF TRACK CIRCUITS WORK AND AUTOMATIC SIGNALING ON PASS SECTION WITH STEEP GRADIENT

Nauka ta progres transportu, 2011
Functioning of the track circuits and automatic block system on a pass section with a steep profile has been investigated. The traction calculations, the thermal operating modes of choke transformers, the operating regimes of track circuits with ...
A. P. Razgonov, K. I. Yaschuk
doaj  

A collaborative planning and allocation solution for PV-storage integration in flexible traction substations based on a neural population dynamics optimization algorithm

机车电传动
In the context of the "Dual-Carbon" goal and the transport–energy integrated development plan, integrating renewable energy sources such as photovoltaic (PV) generation into traction power supply systems has become a research focus.
YANG Chenye, LIU Qiujiang, WU Mingli, HU Liang, ZHAO Lixiang, WANG Heting   +5 more
doaj  

Methods sans sensors control of some parameters and some other electric electrified species mine transport [PDF]

, 2014
Chernaja, V., Guzov, E., Sinchuk, I., Sinchuk, O., Yakimets, S., Гузов, Е., Синчук, И., Синчук, О., Черная, В., Якимец, С.   +9 more
core  

A Calculating Method of Temperature Characteristics of an Armature of a Traction Motor

IEEJ Transactions on Power and Energy, 1975
S. YAMAZAKI, T. YAMAMURA
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Theory of Locomotive Traction. Traction Calculations for Industrial Railway Transport

2022
M I Kapitsa
exaly   +2 more sources

Impedance Calculations for AT Power Traction Networks with Parallel Connections

2010 Asia-Pacific Power and Energy Engineering Conference, 2010
The modes of power traction networks are various, such as direct mode, BT (boost transformer) mode and AT (auto-transformer) mode. A new mode of AT power traction networks with parallel connections (PC) is applied on high-speed electrified railways in China.
Guo-song Lin, Qun-zhan Li
exaly   +2 more sources