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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2018-22-26</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-916</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>ОПТИКО-ФИЗИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPTICOPHYSICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Реализация высокотемпературной реперной точки температурной шкалы на фазовом переходе металло-углеродного соединения dMoC-C</article-title><trans-title-group xml:lang="en"><trans-title>Realization of a high-temperature reference point of the temperature scale on the phase transition of the metal-carbon compound dMoC-C</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>Хлевной</surname><given-names>Б. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Khlevnoy</surname><given-names>B. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Григорьева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoryeva</surname><given-names>I. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Ивашин</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivashin</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Огарёв</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ogarev</surname><given-names>S. A.</given-names></name></name-alternatives><email xlink:type="simple">ogarev-m4@vniiofi.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>Саприцкий</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Sapritsky</surname><given-names>V. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт оптико-физических измерений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>12</issue><fpage>22</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/916">https://www.izmt.ru/jour/article/view/916</self-uri><abstract><p>Приведены результаты разработки опытного образца модели чёрного тела полостного типа в виде графитовой ампулы, заполненной эвтектическим сплавом молибдена с углеродом dMoC-C и реализующей высокотемпературную реперную точку 2856 K температурной шкалы. Показано, что созданная ампула может служить прецизионным оптическим источником излучения «типа А». Научно обоснованы подходы к оценке составляющих неопределённости излучательной способности полости данной ампулы, равной 0,9997 с расширенной неопределённостью 0,00016 ( k =2) в зависимости от геометрических и физических параметров с использованием алгоритмов расчётов, которые основаны на статистическом методе Монте-Карло.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the results of development, in accordance with the requirements of the Consultative Committee for Thermometry (CCT), of a prototype blackbody (BB) model of the cavity type in the form of a graphite ampoule filled with a molybdenum eutectic alloy with carbon dMoC-C realizing a high-temperature reference point (HTFP) 2856 K of the temperature scale. The ampoule-BB based on the HTFP of molybdenum eutectic can serve as a precision optical «type A» radiation source. The paper contains scientifically grounded approaches to estimating the uncertainty components of the emissivity of the BB-ampoule cavity equal to 0,9997 with an expanded uncertainty of 0,00016 ( k =2), depending on the geometric and physical parameters using Monte- Carlo calculation algorithms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>температурная шкала</kwd><kwd>высокотемпературная реперная точка</kwd><kwd>модель чёрного тела</kwd><kwd>металло-углеродная эвтектика</kwd><kwd>источник «типа А»</kwd><kwd>temperature scale</kwd><kwd>high-temperature fixed point</kwd><kwd>black body model</kwd><kwd>metal-carbon eutectic</kwd><kwd>«type A» radiation source</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">Machin Graham. The kelvin redefined // Measurement Science and Technology. 2018. V. 29. Iss. 2. P. 022001. 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