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Корреляционный анализ связей между условной вязкостью и некоторыми стандартными показателями прямогонных нефтяных дисперсных систем

Корреляционный анализ связей между условной вязкостью и некоторыми стандартными показателями прямогонных нефтяных дисперсных систем

Abstract

Рассмотрены корреляционные однофакторные зависимости, связывающие условную вязкость высококипящих углеводородных систем с неопределенным составом с температурой начала кипения остатка, его коксуемостью и температурой размягчения. Определено, что зависимость условной вязкости от температуры начала кипения тяжелых нефтяных остатков, а также высоковязких и битуминозных нефтей наиболее достоверно может быть описана однофакторным полиномом второй степени с коэффициентом корреляции, близким к 1.0. Зависимости, связывающие условную вязкость с коксуемостью и температурой размягчения, имеют коэффициенты корреляции в интервале 0.8-1.0. Наличие полициклических ароматических углеводородов в нефтяных системах снижает точность расчетов по типовым эмпирическим зависимостям. Полученные результаты могут быть использованы при расчетах технологического оборудования.

Correlation single-factor dependences connecting conditional viscosity of the high-boiling hydrocarbon systems with indeterminate composition with initial boiling point of the residue, its coking and softening point are considered. It is defined, that dependence of conditional viscosity from initial boiling point of the high-boiling oil residues and also heavy and bituminous oils most reliably may be described by single-factor polynom of the second degree with correlation coefficient, near to 1.0. Dependences, connecting conditional viscosity with coking and softening point, have correlation coefficients in interval from 0.8 to 1.0. The presence of polycyclic aromatic hydrocarbons in oil systems reduces the accuracy calculations on standard empirical dependences. Obtained results may be used in calculations of processing equipment

Keywords

КОКСУЕМОСТЬ,COKING,ТЕМПЕРАТУРА НАЧАЛА КИПЕНИЯ,INITIAL BOILING POINT,ТЕМПЕРАТУРА РАЗМЯГЧЕНИЯ,SOFTENING POINT,УСЛОВНАЯ ВЯЗКОСТЬ,CONDITIONAL VISCOSITY

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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