Using ENO algorithms of spline interpolation for oil boiling curves modeling

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Abstract

This paper is about oil boiling curves interpolation used in the gas and oil refining processes modeling. Authors of this paper offer to use ENO splines for the approximation of boiling curves with few experimental points. It allows to exclude oscillations of the interpolation polynom and the occurrence of components with the negative fractions. This idea was realized in the program platform for modeling and calculation of the processes and devices “MiR PiA”. The testing of these ENO algorithms using one example has shown the convergence between the modeling results and the experimental data. Furthermore, ENO splines can be used for creating the boiling curves from the stream compositions.

About the authors

S. B. Konygin

Samara State Technical University

Author for correspondence.
Email: info@eco-vector.com
Russian Federation

D. A. Kryuchkov

Samara State Technical University

Email: info@eco-vector.com
Russian Federation

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