Analysis of approximations of the gas compressibility factor derived from genetic algorithms

Hydraulic calculations are the primary tool for rational technical decisions related to the design and operation of pipeline systems. The compressibility factor is introduced into the gas equation of state to account for its real properties and depends on the pressure, temperature, and gas component...

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Vydáno v:E3S web of conferences Ročník 397; s. 1005
Hlavní autoři: Kochueva, Olga, Zadorozhnyy, Vladislav
Médium: Journal Article Konferenční příspěvek
Jazyk:angličtina
Vydáno: Les Ulis EDP Sciences 01.01.2023
Témata:
Approximation
Compressibility
Equations of state
Genetic algorithms
ISSN:2267-1242, 2555-0403, 2267-1242
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Shrnutí:Hydraulic calculations are the primary tool for rational technical decisions related to the design and operation of pipeline systems. The compressibility factor is introduced into the gas equation of state to account for its real properties and depends on the pressure, temperature, and gas component composition. At present, the search for an accurate and computationally efficient approximation for the compressibility factor remains an urgent problem. This paper presents a methodology for constructing an approximation based on symbolic regression, and the proposed dependencies analysis provided. The average relative error of the presented models is 0.03%.
Bibliografie:ObjectType-Conference Proceeding-1
SourceType-Conference Papers & Proceedings-1
content type line 21
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202339701005