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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.2021.09.057-063</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-2105</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>ВОЗОБНОВЛЯЕМАЯ ЭНЕРГЕТИКА. ГЕОТЕРМАЛЬНАЯ ЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RENEWABLE ENERGY. GEOTHERMAL ENERGY</subject></subj-group></article-categories><title-group><article-title>Влияние расположения местных сопротивлений на устойчивость транспортировки пароводяной смеси при освоении геотермальных ресурсов</article-title><trans-title-group xml:lang="en"><trans-title>Influence of the location of local resistances on the stability of the transportation of steam-water mixture during the development of geothermal resources</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>Варламова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Varlamova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варламова Наталья Николаевна, младший научный сотрудник</p><p>ул. Тургенева, д. 51, г. Хабаровск, Россия, 680000, тел.: (4212) 32-79-27</p></bio><bio xml:lang="en"><p>Varlamova Natalia Nikolaevna, Junior Re-searcher, Mining institute if the Far Eastern Branch of the Russian Academy of Sciences</p><p>Khabarovsk, Russia, 680000, tel.: (4212) 32-79-27</p></bio><email xlink:type="simple">adm@igd.khv.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>Шулюпин</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shulyupin</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шулюпин Александр Николаевич, доктор технических наук, в.и.о. директора</p><p>ул. Тургенева, д. 51, г. Хабаровск, Россия, 680000, тел.: (4212) 32-79-27</p></bio><bio xml:lang="en"><p>Shulyupin Aleksandr Nikolaevich, Doctor of Technical Sciences, Interim Director. Mining institute if the Far Eastern Branch of the Rus-sian Academy of Sciences</p><p>Khabarovsk, Russia, 680000, tel.: (4212) 32-79-27</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт горного дела Дальневосточного отделения РАН – обособленное подразделение Хабаровского Федерального исследовательского центра Дальневосточного отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mining Institute of Far Eastern Branch of the Russian Academy of Sciences – a separate division of the Federal Khabarovsk research center, Far Eastern Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>02</day><month>04</month><year>2022</year></pub-date><volume>0</volume><issue>25-27</issue><fpage>57</fpage><lpage>63</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2022</copyright-statement><copyright-year>2022</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/2105">https://www.isjaee.com/jour/article/view/2105</self-uri><abstract><p>С помощью новой математической модели для гидравлического расчета трубопроводов, транспортирующих пароводяной геотермальный теплоноситель, которая учитывает влияние гравитационных сил на параметры течения, проведено исследование влияния расположения местных сопротивлений на устойчивость потока. Расчет был проведен по программе SWIP-S для трубопровода с характеристиками, близкими к типовым значениям на Мутновском геотермальном месторождении, где расположены крупнейшие в России геотермальные электростанции. Трубопровод разбивался на 4 участка, рассматривалось 4 варианта с размещением всех местных сопротивлений на первом (от начала), втором, третьем и четвертом участках. Рассчитывался перепад давления и индекс устойчивости потока, определяемый как частная производная перепада давления на отдельном участке трубопровода по массовому расходу. Выявлено незначительное влияние расположения местных сопротивлений по трассе трубопровода на его суммарный индекс устойчивости, а также на суммарный перепад давления. Исходя из расчетов параметров трубопровода по участкам, учитывая существенные различия локального индекса устойчивости, даны практические рекомендации по расположению местных сопротивлений: в случае высокого риска возникновения неустойчивости у устья скважины, в том числе при низких расходах геотермального флюида, рекомендовано располагать их в начале трассы, т.е. вблизи скважины. Аналогичные рекомендации даны при необходимости уменьшения суммарного перепада давления, учитывая, что данный параметр будет резко возрастать на участке, где сосредоточены местные сопротивления.</p></abstract><trans-abstract xml:lang="en"><p>Using a new mathematical model for the hydraulic calculation of pipelines transporting a steam-water geothermal heat carrier, which takes into account the influence of gravity forces on the flow parameters, a study was made of the influence of the location of local resistances on the flow stability. The calculation was carried out using the SWIP-S program for a pipeline with characteristics close to typical values at the Mutnovsky geothermal field, where the larg-est geothermal power plants in Russia are located. The pipeline was divided into 4 sections, 4 options were consid-ered with the placement of all local resistances on the first (from the beginning), second, third and fourth sections The flow stability index was calculated, defined as the partial derivative of the pressure drop in a separate section of the pipeline by mass flow. The pressure drop was also calculated. An insignificant effect of the location of local re-sistances along the pipeline route on its total stability index, as well as on the total pressure drop, was revealed. Based on the calculations of the parameters of pipeline by sections, taking into account the significant differences in the lo-cal index of stability, practical recommendations are given on the location of local resistances: in the case of a high risk of instability at the wellhead, including at low flow rates of geothermal fluid, it is recommended to place them at the beginning of the route, i.e. near the well. Similar recommendations are given if it is necessary to reduce the total pressure drop, given that this parameter will sharply increase in the area where local resistances are focused.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>геотермальная энергия</kwd><kwd>геотермальный теплоноситель</kwd><kwd>пароводяная смесь</kwd><kwd>трубопровод</kwd><kwd>перепад давления</kwd><kwd>местные сопротивления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>geothermal energy</kwd><kwd>geothermal heat carrier</kwd><kwd>steam-water mixture</kwd><kwd>pipeline</kwd><kwd>pressure drop</kwd><kwd>local resistances</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке Российского фонда фундаментальных исследований в рамках научного проекта № 20-05-00161</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">Michalski A., Klitzsch N. 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