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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">vsgiu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного индустриального университета</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Siberian State Industrial University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304 - 4497</issn><issn pub-type="epub">2307-1710</issn><publisher><publisher-name>Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный индустриальный университет"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vsgiu-186</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>Раздел 2. Информационные технологии</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Section 2. Information Technology</subject></subj-group></article-categories><title-group><article-title>ИНСТРУМЕНТАЛЬНАЯ СИСТЕМА РАСЧЕТА ТЕРМОДИНАМИЧЕСКИХ ФУНКЦИЙ ИНДИВИДУАЛНЫХ ВЕЩЕСТВ, ХИМИЧЕСКИХ РЕАЦИЙ И СЛОЖНОЙ МНОГОКОМПОНЕНТНОЙ ГЕТЕРОГЕННОЙ СИСТЕМЫ</article-title><trans-title-group xml:lang="en"><trans-title>INSTRUMENTAL CALCULATION SYSTEM THERMODYNAMIC FUNCTIONS OF INDIVIDUAL SUBSTANCES, CHEMICAL REACTIONS AND COMPLEX MULTICOMPONENT HETEROGENEOUS SYSTEM</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>Рыбенко</surname><given-names>Инна Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Rybenko</surname><given-names>Inna A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, заведующий кафедрой прикладных информационных технологий и программирования</p></bio><bio xml:lang="en"><p>Dr. Sci., Prof., Head of the Department of Applied Information Technologies and Programming</p></bio><email xlink:type="simple">vestnicsibgiu@sibsiu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сеченов</surname><given-names>Павел Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Sechenov</surname><given-names>Pavel A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры прикладных информационных технологий и программирования</p></bio><bio xml:lang="en"><p>Cand. Sci., Asist. Prof., Head of the Department of Applied Information Technologies and Programming</p></bio><email xlink:type="simple">vestnicsibgiu@sibsiu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Industrial Universit</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>Siberian State Industrial University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>16</day><month>06</month><year>2025</year></pub-date><volume>0</volume><issue>3</issue><fpage>18</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рыбенко И.А., Сеченов П.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Рыбенко И.А., Сеченов П.А.</copyright-holder><copyright-holder xml:lang="en">Rybenko I., Sechenov P.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://vestnik.sibsiu.ru/jour/article/view/186">https://vestnik.sibsiu.ru/jour/article/view/186</self-uri><abstract><p>Представлена программная реализация инструментальной системы расчета термодинамических функций индивидуальных веществ, химических реакций и равновесного состояния сложной многокомпонентной гетерогенной системы. Приведен обзор существующих баз данных и программных продуктов. Рассмотрен алгоритм расчета основных термодинамических функций вещества (удельной теплоемкости, энтальпии, энтропии и приведенной энергии Гиббса для фиксированной температуры и изменения в интервале температур). Создана база данных для 2500 индивидуальных веществ. Разработан блок расчета для определения основных термодинамических параметров. Программно реализован алгоритм расчета изменения термодинамических функций химических реакций на основе закона Гессе. Рассмотрен метод расчета равновесного состояния сложной многокомпонентной гетерогенной системы на основе принципа максимума энтропии, который реализован в третьем модуле инструментальной системы.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>A software implementation of an instrumental system for calculating the thermodynamic functions of individual substances, chemical reactions and the equal state of a complex multicomponent heterogeneous system is presented. An overview of existing databases and software products is provided. An algorithm for calculating the basic thermodynamic functions of a substance (specific heat capacity, enthalpy, entropy and reduced Gibbs energy for both a fixed temperature and a change in the temperature range) is considered. A database has been created for 2500 individual properties. A calculation block has been developed to determine the basic thermodynamic parameters. An algorithm for calculating changes in the thermodynamic functions of chemical reactions based on Hesse's law is implemented programmatically. The method of calculating the equilibrium state of a complex multicomponent heterogeneous system based on the principle of maximum entropy, which is implemented in the third module of the instrumental system, is considered.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>термодинамические функции</kwd><kwd>индивидуальное вещество</kwd><kwd>химическая реакция</kwd><kwd>сложная многокомпонентная гетерогенная система</kwd><kwd>термодинамическое равновесие</kwd><kwd>база данных</kwd><kwd>алгоритм расчета</kwd><kwd>инструментальная система</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermodynamic functions</kwd><kwd>individual substance</kwd><kwd>chemical reaction</kwd><kwd>complex multicomponent heterogeneous system</kwd><kwd>thermodynamic equality</kwd><kwd>database</kwd><kwd>calculation algorithm</kwd><kwd>instrumental system</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Барахнин В.Б., Молородов Ю.И., Станкус С.В., Федотов А.М. 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