Abstract

[For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version)].ABSTRACT A statistical analysis of failures of cylinder covers of diesel engines with different operating conditions was carried out. The histograms of their failures were constructed with subsequent interpolation for an objective assessment of the effect of the operating regime on reliability of the nodes being tested. It was found out that under the conditions close to nominal, the temperature tension of the bottom becomes decisive for efficiency of the cylinder cover. When the operating loads decrease, the influence of the ambient temperature comes to the fore. The objectivity of the conclusion is confirmed by the fact that the research was carried out on the same brand of diesel engine under various operational conditions. Keywords: diesel locomotive, diesel engine, cylinder cover, operation, failure statistics, interpolation, heat stress, temperature conditions, safety, reliability, prolongation of service life.

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