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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">alternative</journal-id><journal-title-group><journal-title xml:lang="ru">Альтернативная энергетика и экология (ISJAEE)</journal-title><trans-title-group xml:lang="en"><trans-title>Alternative Energy and Ecology (ISJAEE)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-8298</issn><publisher><publisher-name>Международный издательский дом научной периодики "Спейс</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15518/isjaee.2017.19-21.074-087</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-1121</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>ВОДОРОДНАЯ ЭКОНОМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROGEN ECONOMY</subject></subj-group></article-categories><title-group><article-title>ВОЗМОЖНОСТИ CFD ПРОГРАММЫ С ОТКРЫТЫМ КОДОМ ДЛЯ МОДЕЛИРОВАНИЯ ПРОЦЕССА ЗАПРАВКИ СТЕНДОВОГО БАКА ЖИДКИМ ВОДОРОДОМ</article-title><trans-title-group xml:lang="en"><trans-title>THE CAPABILITIES OF OPEN SOURCE CFD CODE FOR MODELING THE STAND TANK FILLING PROCESS WITH LIQUID HYDROGEN</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>Галеев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Galeev</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р техн. наук, профессор кафедры «Управление эксплуатацией РКС» Московского авиационного института, лауреат премии Совета Министров СССР в области науки и техники, действительный член Российской академии космонавтики им. К.Э. Циолковского, главный научный сотрудник ФКП «НИЦ РКП»</p></bio><bio xml:lang="en"><p>D.Sc. (engineering), Professor of Management of Operation of RSS department of Moscow Aviation Institute, Laureate of USSR Council of Ministers in the field of science and technology, member of the K.E. Tsiolkovsky Russian Academy of Cosmonautics, Chief Researcher of the PCF “SIC RSI”</p></bio><email xlink:type="simple">a.galeev@nic-rkp.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>Орлов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>Ph.D. (engineering), Senior Research Scientist</p></bio><email xlink:type="simple">a.galeev@nic-rkp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФКП «Научно-испытательный центр ракетно-космической промышленности»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FCP Research and Testing Center of Rocket and Space Industry</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>15</day><month>10</month><year>2017</year></pub-date><volume>0</volume><issue>19-21</issue><fpage>74</fpage><lpage>87</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Международный издательский дом научной периодики "Спейс</copyright-holder><copyright-holder xml:lang="en">Международный издательский дом научной периодики "Спейс</copyright-holder><license xlink:href="https://www.isjaee.com/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.isjaee.com/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.isjaee.com/jour/article/view/1121">https://www.isjaee.com/jour/article/view/1121</self-uri><abstract><p>В статье анализировались функционирование и запуск криогенных двигательных установок разгонных блоков и ступеней ракетно-космических систем, которые во многом определяются тепломассообменными процессами в элементах систем питания. Это вызвано тем, что в наземных условиях отсутствуют возможности имитации условий полета при проведении операций захолаживания магистралей и запуска двигателя. Поэтому моделирование процессов течения криогенных компонентов с учетом тепломассообменных процессов в системах питания блоков и испытательного стенда является актуальной. Приведены данные о том, что бустерные насосные агрегаты окислителя и горючего, как правило, располагают в соответствующих топливных баках. Это позволяет существенно уменьшить затраты компонента на проведение операций захолаживания и заправки топливных магистралей и бака, а также оптимизировать процесс запуска двигателя при многократных включениях. Отмечено, что при комплексных наземных испытаниях разгонных блоков часто отсутствуют возможности имитации условий полета при проведении операций запуска ДУ, поэтому использование физических и математических моделей расчета нестационарных многофазных процессов с интенсивными фазовыми превращениями позволяют определить характеристики и провести прогноз параметров систем питания. В работе выполнены задачи: по разработке открытого кода на основе CFD программы OpenFoam для рассмотрения криогенных течений совместно с процессами теплообмена со стенкой бака; по проверке открытого кода на простейшей двумерной модели бака для определения основных механизмов, возникающих в процессе захолаживания и заправки стендового бака; по реализации использования открытого кода для выполнения начального этапа моделирования процессов заправки стендового топливного бака с учетом испарения крио- генной жидкости и теплообмена со стенками. Показано, что процессы течения и испарения могут быть смоделированы в рамках модели течения со свободной поверхностью. Приведены результаты расчетов основных параметров двухфазных потоков в процессе заправки топливного бака жидким водородом. Результаты исследования предполагается применять в методике оценки параметров двухфазных потоков при испытаниях перспективных блоков ракетно-космических систем.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>The paper analyzes the functioning and launching of the cryogenic propulsion upper stages and the stages of rocket-space systems, which are largely determined by heat and mass exchange processes in the elements of supply systems. This is due to the fact that in ground conditions, there are no possibilities of flight conditions simulation during cooling of feed lines and starting the engine. Therefore, the simulation of the flow of cryogenic components with respect to heat and mass exchange processes in supply systems of the units and the test stand is important. The paper gives data that booster pump aggregates of oxidant and fuel, as a rule, are located in the corresponding fuel tanks. This makes it possible to significantly reduce the costs of the component for carrying out the operations of cooling and filling fuel lines and the tank, and to optimize the process of starting the engine when it is switched on repeatedly. It is also noted that in complex ground tests of upper stages there are usually no possibilities to simulate flight conditions during launching operations in complex ground tests of upper stages, therefore the use of physical and mathematical models for the calculation of nonstationary multiphase processes with intensive phase transformations makes it possible to determine the characteristics and to forecast the parameters of supply systems. The following tasks have been accomplished: the development of open source code based on CFD program OpenFoam for simulation of cryogenic flows in conjunction with heat exchange processes with the wall of the tank; the verification of open source code on a simple two-dimensional model of the tank for determination the main mechanisms that arise in the process of cooling and filling the stand tank; the implementation of open source code for simulation the initial stage of the refilling of the stand fuel tank taking into account the evaporation of the cryogenic liquid and heat exchange with the walls. The paper shows that the processes of flow and evaporation can be modeled in the framework of models with a free surface flow. The results of calculations of basic parameters of two-phase flows in the process of cooling the liquid hydrogen fuel tank are presented. The results of the study are expected to be used in the methodology for estimating the parameters of two-phase flows during testing of the advanced space rocket systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вычислительная гидродинамика</kwd><kwd>двухфазный поток</kwd><kwd>испарение</kwd><kwd>конденсация</kwd><kwd>теплообмен</kwd><kwd>водород</kwd><kwd>бак</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computational fluid dynamics</kwd><kwd>two-phase flows</kwd><kwd>evaporation</kwd><kwd>condensation</kwd><kwd>heat transfer</kwd><kwd>hydrogen</kwd><kwd>tank</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">Галеев, А.Г. Об опыте стендовой отработки двигательных установок верхних ступеней ракет- носителей на водородном топливе / А.Г. Галеев, В.Н. Кучкин, Г.Г. Сайдов // Материалы Всероссийской научно-технической конференции «Актуальные проблемы РКТ», г. 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