Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Конференция: International Scientific Conference "Conference on Applied Physics, Information Technologies and Engineering - APITECH-2019"; Krasnoyarsk; Krasnoyarsk
Год издания: 2019
Идентификатор DOI: 10.1088/1742-6596/1399/5/055009
Аннотация: The paper presents the results in the field of research and analysis of the optical density of motor oil using mathematical and intelligent models. The quadratic approximations of the dependence of optical density on time are obtained for three different temperatures of temperature control. It is established that each curve of the Показать полностьюchange in optical density with time contains an inflection point. On the basis of which it was hypothesized that these moments correspond to a certain phase transition in the oil under study. A three-dimensional model of dependence of the rate of change of optical density on temperature and test time was also constructed. When analyzing this dependence, the character of the inflection curve is established, which is proposed as an indicator indicating the attainment of the limiting resource of lubricating oils.
Журнал: Journal of Physics: Conference Series
Выпуск журнала: 1399
Номера страниц: 55009
Издатель: Institute of Physics and IOP Publishing Limited