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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2019, Volume 60, Issue 3, Pages 60–66
DOI: https://doi.org/10.15372/PMTF20190306 (Mi pmtf437) 		 
This article is cited in 5 scientific papers (total in 5 papers)

Using a thermodynamic approach to estimate a temperature drop of natural gas in a pressure regulator

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

LLC "OLNI", Kirov, 610050, Russia
Full-text PDF (210 kB) Citations (5)
DOI: https://doi.org/10.15372/PMTF20190306
Abstract: A mathematical model for reducing the pressure of natural gas in a direct acting pressure regulator is developed. It is shown that, if an output-input pressure ratio typical for practice is lower than a critical value, the pressure reduction process comes down to two stages: partial expansion of gas with throttling in the orifice plate of the pressure regulator and subsequent expansion in its casing. The values of the gas temperature in the characteristic sections of the pressure regulator are determined. It is established that the temperature drops at the first stage of pressure reduction and rises as the flow in the pressure regulator casing expands and decelerates. A method for minimizing the possibility of formation of gas hydrates in the pressure regulator is proposed.
Keywords: natural gas, pressure regulator, mathematic model, prevention of hydrate formation.
Received: 10.10.2018
Revised: 10.10.2018
Accepted: 29.10.2018
English version:
Journal of Applied Mechanics and Technical Physics, 2019, Volume 60, Issue 3, Pages 451–456
DOI: https://doi.org/10.1134/S0021894419030064
Bibliographic databases:
Document Type: Article
UDC: 536.71:621.592.2
Language: Russian
Citation: O. M. Sokovnin, N. V. Zagoskina, S. N. Zagoskin, “Using a thermodynamic approach to estimate a temperature drop of natural gas in a pressure regulator”, Prikl. Mekh. Tekh. Fiz., 60:3 (2019), 60–66; J. Appl. Mech. Tech. Phys., 60:3 (2019), 451–456
Citation in format AMSBIB
\Bibitem{SokZagZag19}
\by O.~M.~Sokovnin, N.~V.~Zagoskina, S.~N.~Zagoskin
\paper Using a thermodynamic approach to estimate a temperature drop of natural gas in a pressure regulator
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2019
\vol 60
\issue 3
\pages 60--66
\mathnet{http://mi.mathnet.ru/pmtf437}
\crossref{https://doi.org/10.15372/PMTF20190306}
\elib{https://elibrary.ru/item.asp?id=38162699}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2019
\vol 60
\issue 3
\pages 451--456
\crossref{https://doi.org/10.1134/S0021894419030064}
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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