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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">omna</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-8225</issn><issn pub-type="epub">2541-7541</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/1813-8225-2024-190-163-170</article-id><article-id custom-type="edn" pub-id-type="custom">CATICR</article-id><article-id custom-type="elpub" pub-id-type="custom">omna-280</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭЛЕКТРОНИКА, ФОТОНИКА, ПРИБОРОСТРОЕНИЕ И СВЯЗЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, PHOTONICS, APPLIANCE AND COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование применимости методик определения коэффициента сжимаемости природного газа в области низких температур</article-title><trans-title-group xml:lang="en"><trans-title>Experimental verification of the applicability of methods for calculating the compressibility factor of natural gas at low temperatures</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутовой</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutovoy</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кутовой Денис Юрьевич, заместитель начальника Управления по внедрению и эксплуатации АСКУГ и метрологии</p><p>AuthorID (РИНЦ): 1221096</p><p>AuthorID (SCOPUS): 57454390400</p><p>г. Санкт-Петербург </p></bio><bio xml:lang="en"><p>Kutovoy Denis Yuryevich, Deputy Head of Implementation and Operation of ASKUG and Metrology Department</p><p>AuthorID (RSCI): 1221096</p><p>AuthorID (SCOPUS): 57454390400</p><p>Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0817-1491</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ганиев</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ganiev</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ганиев Раис Ильясович, кандидат технических наук, начальник отдела перспективных разработок</p><p>AuthorID (SCOPUS): 57454398500 </p><p>г. Казань </p></bio><bio xml:lang="en"><p>Ganiev Rais Ilyasovich, Candidate of Technical Sciences, Head of Advanced Development Department</p><p>AuthorID (SCOPUS): 57454398500</p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1230-4154</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шустрова</surname><given-names>М. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Shustrova</surname><given-names>M. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шустрова Марина Леонидовна, кандидат технических наук, доцент кафедры автоматизированных систем сбора и обработки информации</p><p>AuthorID (РИНЦ): 692110</p><p>AuthorID (SCOPUS): 55899044400</p><p>ResearcherID: AAB-9523-2020</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Shustrova Marina Leonidovna, Candidate of Technical Sciences, Associate Professor of Automated Information Collection and Processing Systems Department</p><p>AuthorID (RSCI): 692110</p><p>AuthorID (SCOPUS): 55899044400</p><p>ResearcherID: AAB-9523-2020</p><p>Kazan</p></bio><email xlink:type="simple">shu.ma@bk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3837-6033</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Явкин</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Yavkin</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Явкин Владимир Борисович, кандидат технических наук, доцент кафедры «Реактивные двигатели и энергетические установки»</p><p>AuthorID (РИНЦ): 16521</p><p>AuthorID (SCOPUS): 6507971971</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Yavkin Vladimir Borisovich, Candidate of Technical Sciences, Associate Professor of Jet Engines and Power Plants Department</p><p>AuthorID (RSCI): 16521</p><p>AuthorID (SCOPUS): 6507971971</p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3814-2544</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фафурин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fafurin</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фафурин Виктор Андреевич, доктор технических наук, профессор кафедры автоматизированных систем сбора и обработки информации.</p><p>AuthorID (РИНЦ): 650664</p><p>AuthorID (SCOPUS): 16021867600</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Fafurin Viktor Andreyevich, Doctor of Technical Sciences, Professor of Automated Information Collection and Processing Systems Department</p><p>AuthorID (RSCI): 650664</p><p>AuthorID (SCOPUS): 16021867600</p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ООО «Газпром межрегионгаз»<country>Россия</country></aff><aff xml:lang="en">LLC «Gazprom Mezhregiongaz»<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ООО Центр метрологии «СТП»<country>Россия</country></aff><aff xml:lang="en">LLC Metrology Center «STP»<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Казанский национальный исследовательский технологический университет<country>Россия</country></aff><aff xml:lang="en">Kazan National Research Technological University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Казанский национальный исследовательский технический университет им. А. Н. Туполева<country>Россия</country></aff><aff xml:lang="en">Kazan National Research Technical University named after A. N. Tupolev–KAI<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">Казанский национальный исследовательский технологический университет<country>Россия</country></aff><aff xml:lang="en">Kazan National Research Technical University named after A. N. Tupolev–KAI<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2024</year></pub-date><volume>10</volume><issue>2</issue><fpage>163</fpage><lpage>170</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кутовой Д.Ю., Ганиев Р.И., Шустрова М.Л., Явкин В.Б., Фафурин В.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кутовой Д.Ю., Ганиев Р.И., Шустрова М.Л., Явкин В.Б., Фафурин В.А.</copyright-holder><copyright-holder xml:lang="en">Kutovoy D.Y., Ganiev R.I., Shustrova M.L., Yavkin V.B., Fafurin V.A.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://onv.omgtu.ru/jour/article/view/280">https://onv.omgtu.ru/jour/article/view/280</self-uri><abstract><p>В работе представлены результаты экспериментального исследования, направленного на оценку применимости методик расчета коэффициента сжимаемости природного газа AGA8-DC 92 (ГОСТ 30319.2-96), AGA8 Report Detail (ГОСТ 30319.3-2015), GERG-2004, GERG-2008, NX19, GERG-91, ISO 20765-1 (ГОСТ Р 8.662-2009), а также модифицированного уравнения ГСССД МР 118-05 (Умеренно сжатые газовые смеси) и ГСССД МР 113-03 (Влажный нефтяной газ) в диапазоне температур от 220 до 250 К (от минус 50,15 до минус 20,15 °С). Показано, что для AGA8-DC 92, AGA8 Report Detail, GERG-2004/2008, ISO 20765-1 (ГОСТ Р 8.662-2009), ГСССД МР 113-03 отклонение расчетных значений коэффициента сжимаемости от экспериментальных находится в пределах 0,1 %, что подтверждает возможность их применения в качестве расчетных методик в указанном диапазоне температур. Результаты, полученные в рамках настоящего исследования, обладают высокой значимостью для расходометрии, в частности, обеспечивают повышение точности процедуры приведения объёма природного газа к стандартным условиям при низких температурах.</p></abstract><trans-abstract xml:lang="en"><p>The article is devoted to the analysis of compressibility factor calculation methods in the temperature range from 220 to 250 K. The AGA8-92DC (GOST 30319.2- 96), AGA8 Report Detail (GOST 30319.3-2015), GERG-2004/2008, NX19, GERG-91, ISO 20765-1 (GOST R 8.662-2009), GSSSD MR 118-05 (moderately compressed gas mixtures) and GSSSD MR 113-03 (Wet Oil Gas) methods are experimentally tested. Deviations of experimental data and calculated values of compressibility coefficient determined by the specified methods are shown. It is found out that the deviation of the calculated values of the compressibility factor according to the AGA8-92DC, AGA8 Report 1 Detail, GERG-2004/2008, ISO 20765-1 (GOST R 8.662-2009), GSSSD MR 13-03 methods from the experimental ones does not exceed 0,1 %. This fact confirms the possibility of using these methods in the temperature range from 220 to 250 K. The results obtained in the framework of this study are highly significant for flow metering, and in particular, provide an increase in the accuracy of the procedure for bringing the volume of natural gas to standard conditions at low temperatures.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коэффициент сжимаемости</kwd><kwd>расход природного газа</kwd><kwd>AGA8</kwd><kwd>GERG-2004</kwd><kwd>GERG-2008</kwd><kwd>методика расчета</kwd><kwd>низкие температуры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>compressibility factor</kwd><kwd>natural gas flow rate</kwd><kwd>AGA8</kwd><kwd>GERG-2004</kwd><kwd>calculation method</kwd><kwd>low temperatures</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Авторы выражают благодарность коллективу ООО Центр метрологии «СТП» за активное участие в научно-исследовательских работах, результаты которых положены в основу данной статьи.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The authors of the article express gratitude to the staff of the LLC Metrology Center «STP» for their active participation in research work, the results of which are the basis of this article.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">ГОСТ 2939-63. 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