Concept for interpretation and assessment of slide bearings operation in diesel engines in probabilistic approach

The paper provides a proposal of interpretation that valuates operations, which (just like operation of Hamilton and Maupertius shown in the classical mechanics and operation resulting from changes of body momentum) is considered as a physical quantity with: joule-second [joule x second] as a unit of measure. It presents suggestion of a quantitative interpretation of operation of a slide journal bearing, in which energetic interactions proceed at determined time. It has been here motivated that when the suggested interpretation for slide bearing operation in which energy conversions proceed, is accepted the operation can be a carrier of information about states of the systems so, it can become a diagnostic signal. Moreover, an original method of operation analysis and assessment for a slide journal bearing has been herein presented with regards to its reliability and safety. Possibilities of applying this method for the process of taking the rational operating decisions have been shown, too. The homogeneous process of Poison has been applied in order to prove usability of operation in such interpretation. This process has enabled construction of a model of the course of getting-worse operation for a bearing while the operation time goes by. Therefore, the model is a random process of homogenous and independent gains in energy lost due to friction and slide bearing wear.