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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S207956292602003X</article-id><article-id custom-type="edn" pub-id-type="custom">KJGKAA</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-643</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>Инженерное проектирование ядерно-физической аппаратуры</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Engineering Design of Nuclear Physical Equipment</subject></subj-group></article-categories><title-group><article-title>АНАЛИЗ СИСТЕМЫ ОХЛАЖДЕНИЯ ДЛЯ ИОННО-ПЛАЗМЕННОЙ ТЕХНОЛОГИИ ДЕЗАКТИВАЦИИ</article-title><trans-title-group xml:lang="en"><trans-title>ANALYSIS OF COOLING SYSTEM FOR ION-PLASMA DEACTIVATION TECHNOLOGY</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>Петровская</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrovskaya</surname><given-names>A. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цыганов</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsyganov</surname><given-names>A. B.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Лаборатория физики плазмы, ООО “ИнноПлазмаТех”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Plasma application laboratory, InnoPlasmaTech LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2026</year></pub-date><volume>17</volume><issue>2</issue><fpage>295</fpage><lpage>302</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Петровская А.С., Цыганов А.Б., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Петровская А.С., Цыганов А.Б.</copyright-holder><copyright-holder xml:lang="en">Petrovskaya A.S., Tsyganov A.B.</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://npe.elpub.ru/jour/article/view/643">https://npe.elpub.ru/jour/article/view/643</self-uri><abstract><p>Статья посвящена разрабатываемой ионно-плазменной технологии для решения проблем дезактивации облученного реакторного графита и внутриконтурного оборудования, а также проблем вывода из эксплуатации различных видов ядерных реакторов. Рассмотрены особенности технической реализации устройства для дезактивации и системы охлаждения электрода-коллектора для осаждения на нем удаляемых плазмой “укороченного” разряда с поверхности внутриконтурного оборудования и облученного графита радионуклидов. Обсуждаются физические и теплотехнические процессы, лежащие в основе ионно-плазменной “сухой” технологии. Расчетным путем получены распределения температур на электроде-коллекторе и в охлаждающем потоке системы водяного охлаждения электрода-коллектора. Найдены рабочие параметры технологии для дезактивации облученного реакторного графита и металлоконструкций ЯЭУ: давление инертного газа 0.1–1 атм., плотность тока укороченного разряда 0.1–1 А/см2, напряжение на разрядном промежутке 100–1000 В. Получено, что при плотности мощности укороченного разряда 1 · 105, 2 · 105, 5 · 105 и 1 · 106 Вт/м2 для охлаждения электрода-коллектора требуется скорость потока водяного охлаждения порядка 1 м/с.</p></abstract><trans-abstract xml:lang="en"><p>The article is devoted to the ion-plasma technology being developed to solve the problem of irradiated reactor graphite and reactor equipment deactivation, and to solve the problems of the various reactors decommissioning. Particular attention is paid to the technical implementation of the deactivation device and the cooling system of the electrode-collector for the most effective deposition of radionuclides removed by the “shortened” plasma discharge from the surface of the reactor equipment and irradiated graphite. The physical and heat transfer principles of ion-plasma “dry” technology are discussed. Temperature distribution inside of the collector electrode and the cooling flow were calculated. The operating parameters of the ion-plasma technology of irradiated reactor graphite and metal structures of nuclear power plants, have been found: inert gas pressure of 0.1–1 atm., discharge current density of 0.1–1 A/cm2, voltage of 100–1000 V. It was found that at discharge power density of 1 · 105, 2 · 105, 5 · 105 and 1 · 106 W/m2, the water flow rate of 1 m/s is required to keep the collector electrode of deactivation device cool.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>облученный реакторный графит</kwd><kwd>сухая дезактивация</kwd><kwd>металлоконструкции ядерных энергетических установок</kwd><kwd>внутриконтурное оборудование</kwd><kwd>вывод из эксплуатации</kwd><kwd>устройство для дезактивации</kwd><kwd>система охлаждения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>irradiated reactor graphite</kwd><kwd>“dry” deactivation</kwd><kwd>metal structures of nuclear power plants</kwd><kwd>decommissioning</kwd><kwd>decontamination device</kwd><kwd>cooling system</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 24-29-00321, https://rscf.ru/project/24- 29-00321/.</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">Орлов С.Н., Змитродан А.А., Кривобоков В.В. // Теплоэнергетика. 2021. 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