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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2022, Volume 63, Issue 1, Pages 105–112
DOI: https://doi.org/10.15372/PMTF20220114 (Mi pmtf15) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Thermodynamic calculation of the natural gas pressure reduction in a turboexpander

O. M. Sokovnin, N. V. Zagoskina, S. N. Zagoskin

OLNI Company, Kirov, 610050, Russia
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DOI: https://doi.org/10.15372/PMTF20220114
Abstract: A mathematical model of stepwise natural gas pressure reduction in a multistage turboexpander has been developed using a thermodynamic approach taking into account the real gas properties. It has been shown that the maximum use of natural gas overpressure energy is provided when the outlet-to-inlet pressure ratio is above the critical value at each stage. The change in the temperature of the natural gas and its technical work at each stage of the turboexpander have been numerically determined. It has been found that the rate of temperature drop and the increment in the technical work of natural gas increase from stages to stage of the turboexpander. Comparison of the calculated and experimental values of the performance parameters of the gas turboexpanders showsthat they are in good agreement.
Keywords: natural gas, multistage turboexpander, pressure reduction, mathematical model.
Received: 11.02.2020
Revised: 14.09.2020
Accepted: 28.09.2020
English version:
Journal of Applied Mechanics and Technical Physics, 2022, Volume 63, Issue 1, Pages 89–95
DOI: https://doi.org/10.1134/S002189442201014X
Bibliographic databases:
Document Type: Article
UDC: 536.71::621.592.3
Language: Russian
Citation: O. M. Sokovnin, N. V. Zagoskina, S. N. Zagoskin, “Thermodynamic calculation of the natural gas pressure reduction in a turboexpander”, Prikl. Mekh. Tekh. Fiz., 63:1 (2022), 105–112; J. Appl. Mech. Tech. Phys., 63:1 (2022), 89–95
Citation in format AMSBIB
\Bibitem{SokZagZag22}
\by O.~M.~Sokovnin, N.~V.~Zagoskina, S.~N.~Zagoskin
\paper Thermodynamic calculation of the natural gas pressure reduction in a turboexpander
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2022
\vol 63
\issue 1
\pages 105--112
\mathnet{http://mi.mathnet.ru/pmtf15}
\crossref{https://doi.org/10.15372/PMTF20220114}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=4409483}
\elib{https://elibrary.ru/item.asp?id=48064243}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2022
\vol 63
\issue 1
\pages 89--95
\crossref{https://doi.org/10.1134/S002189442201014X}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Prikladnaya Mekhanika i Tekhnicheskaya Fizika Prikladnaya Mekhanika i Tekhnicheskaya Fizika
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    References:14
    First page:5
     
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