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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2019-46-1-8-18</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-638</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>ЭНЕРГЕТИЧЕСКОЕ, МЕТАЛЛУРГИЧЕСКОЕ И ХИМИЧЕСКОЕ МАШИНОСТРОЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER, METALLURGICAL AND CHEMICAL MECHANICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>ЧИСЛЕННОЕ МОДЕЛИРОВАНИЕ ОХЛАЖДЕНИЯ СТРУЙ ВОДОРОДА И ДЕЙТЕРИЯ ПРИМЕНИТЕЛЬНО К УСТАНОВКАМ ПО ПОЛУЧЕНИЮ КРИОГЕННЫХ МОНОДИСПЕРСНЫХ МИШЕНЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>NUMERICAL SIMULATION OF COOLING JET FROM HYDROGEN AND DEUTERIUM AS APPLICABLE TO INSTALLATIONS ON RECEIVING CRYOGENIC MONODISPERSE TARGETS</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>Бухаров</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bukharov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор, кафедра низких температур.</p><p>111250, Россия, г. Москва, ул. Красноказарменная, 14.</p></bio><bio xml:lang="en"><p>Dr. Sci. (Technical), Prof., Department of Low Temperatures.</p><p>14, Krasnokazarmennaya Str., Moscow 111250.</p></bio><email xlink:type="simple">boukharov@mail.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>Гиневский</surname><given-names>А. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Ginevsky</surname><given-names>A. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент, кафедра низких температур.</p><p>111250, Россия, г. Москва, ул. Красноказарменная, 14.</p></bio><bio xml:lang="en"><p>Cand. Sc. (Technical), Assoc. Prof., Department of Low Temperatures.</p><p>14, Krasnokazarmennaya Str., Moscow 111250.</p></bio><email xlink:type="simple">emmanuelcell@mail.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>Вишневский</surname><given-names>E. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vishnevsky</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант, кафедра низких температур.</p><p>111250, Россия, г. Москва, ул. Красноказарменная, 14.</p></bio><bio xml:lang="en"><p>Postgraduate Student, Department of Low Temperatures.</p><p>14, Krasnokazarmennaya Str., Moscow 111250.</p></bio><email xlink:type="simple">alexeyginevsky@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский университет «МЭИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research University «MPEI»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2019</year></pub-date><volume>46</volume><issue>1</issue><fpage>8</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бухаров А.В., Гиневский А.Ф., Вишневский E.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Бухаров А.В., Гиневский А.Ф., Вишневский E.В.</copyright-holder><copyright-holder xml:lang="en">Bukharov A.V., Ginevsky A.F., Vishnevsky E.V.</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.dgtu.ru/jour/article/view/638">https://vestnik.dgtu.ru/jour/article/view/638</self-uri><abstract><sec><title>Цель</title><p>Цель. Целью исследования является разработка модели и проведение численных расчётов охлаждения тонких струй водорода и дейтерия применительно к установкам по получению криогенных монодисперсных мишеней.</p></sec><sec><title>Методы</title><p>Методы. Для реализации поставленной цели была создана модель истечения криогенной струи в область низкого давления. В программной среде PHOENICS численным методом исследовано изменение с течением времени температуры поверхности и внутренней части струи при различных внешних параметрах.</p></sec><sec><title>Результат</title><p>Результат. Получены зависимости изменения температуры жидких струй водорода и дейтерия вдоль поверхности струи и по радиусу в зависимости от диаметра струи, скорости, начальной температуры струи и давления в рабочей камере установок по получению криогенных монодисперсных мишеней.</p></sec><sec><title>Вывод</title><p>Вывод. Показана принципиальная возможность создания высокоскоростных криогенных монодисперсных мишеней. В соответствии с расчётами, при вводе тонких жидких струй водорода или дейтерия со скоростью до 100 м/с в рабочую камеру с низким давлением, струи на расстоянии до 1 мм не успевают замёрзнуть и могут быть разбиты на монодисперсные капли. Капли за счёт испарения охлаждаются и становятся гранулами. Разработанная модель и программа для определения параметров устойчивого монодисперсного распада жидких криогенных струй, а также результаты численных расчётов могут быть использованы при создании установок по получению высокоскоростных криогенных монодисперсных мишеней.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objectives</title><p>Objectives. Development of a model and carrying out numerical calculations for the cooling of thin jets of Hydrogen and Deuterium as applicable to installations on receiving cryogenic monodisperse targets.</p></sec><sec><title>Methods</title><p>Methods. To achieve this purpose, the model of cryogenic jet outflow into the low pressure area was created and using PHOENICS software the temperature change of the surface and the interior of a jet over time for various external parameters is investigated through the numerical method.</p></sec><sec><title>Result</title><p>Result. The dependences of temperature changes of liquid Hydrogen and Deuterium jets along the jet surface and along the radius depending on the jet diameter, speed, initial jet temperature and pressure in the working chamber of installations for receiving cryogenic monodisperse targets were carried out.</p></sec><sec><title>Conclusion</title><p>Conclusion. The principal possibility of creating high-speed cryogenic monodisperse targets is shown. According to the calculations, at input of thin liquid jets of Hydrogen or Deuterium with a speed up to 100 m/s into the working chamber with low pressure, jets at a distance of up to 1 mm do not have time to freeze and can be broken into monodisperse drops. Drops are cooled due to evaporation and become granules. The developed model, the program for determination of parameters of steady monodisperse disintegration of liquid cryogenic streams and results of numerical calculations can be used during creation of units for receiving high-speed cryogenic monodisperse targets.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>струи водорода</kwd><kwd>струи дейтерия</kwd><kwd>криогенные монодисперсные мишени</kwd><kwd>модель истечения криогенной струи</kwd><kwd>низкое давление</kwd><kwd>программная среда PHOENICS</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrogen jets</kwd><kwd>deuterium jets</kwd><kwd>cryogenic monodisperse targets</kwd><kwd>cryogenic jet outflow model</kwd><kwd>low pressure</kwd><kwd>PHOENICS software</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">Factory / C. Ekstrom // Nucl. Instr. and Meth. in Phys. Res. 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