RESEARCH OF IMPACT OF THE LOADING ON ENDURANCE OF THE FREIGHT LOCOMOTIVE ENGINES

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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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eISSN: 2300-861X

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VOLUME 10 , ISSUE 4 (December 2015) > List of articles

RESEARCH OF IMPACT OF THE LOADING ON ENDURANCE OF THE FREIGHT LOCOMOTIVE ENGINES

Sergejus LEBEDEVAS / Galina LEBEDEVA / Stasys DAILYDKA / Gediminas VAIČIŪNAS

Keywords : diesel locomotive, diesel, indirect reliability criteria, work duration, mathematic modelling, load cycle

Citation Information : Transport Problems. Volume 10, Issue 4, Pages 45-55, DOI: https://doi.org/10.21307/tp-2015-047

License : (CC BY-SA 4.0)

Published Online: 21-April-2017

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ABSTRACT

The publication reflects the research results of the rationalization of the rolling stock use of JSC LG Lithuanian railways to increase the reliability indicators of the freight diesel locomotive exploitation reliability. The comparative evaluation of the exploited freight diesel locomotive work duration, according to the technical documentation, by using comparative test results and indirect diesel reliability criteria approved in practice. An algorithm of work duration forecasting methodology has been created, as well as a programme complex of mathematic modelling. The differences of the results indicated in the experiment and modelled by computer do not exceed 5 ÷ 7%. The proposed and described methodology of the diesel locomotive exploitation load cycle dynamic indicator reduction, by the use of which the following is achieved: increase of the diesel work duration by 7÷10%, reduction of fuel consumption up to 10%, reduction of the load cycle dynamic indicators (increasing the fatigue stress of parts and units of the diesel) by 15÷20%.

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