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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-398</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>ПРЯМОЕ ИНТЕГРИРОВАНИЕ УРАВНЕНИЯ ТЕПЛОПРОВОДНОСТИ ДЛЯ ПОЛУОГРАНИЧЕННОГО ПРОСТРАНСТВА</article-title><trans-title-group xml:lang="en"><trans-title>DIRECT INTEGRATION OF THE HEAT CONDUCTION EQUATION FOR A SEMI-BOUNDED SPACE</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>Кот</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kot</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Engineering), Senior researcher</p></bio><email xlink:type="simple">valery.kot@hmti.ac.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт тепло- и массообмена им. А. В. Лыкова НАН Беларуси</institution></aff><aff xml:lang="en"><institution>A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>02</day><month>03</month><year>2017</year></pub-date><volume>61</volume><issue>1</issue><fpage>108</fpage><lpage>118</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кот В.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Кот В.А.</copyright-holder><copyright-holder xml:lang="en">Kot V.A.</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://doklady.belnauka.by/jour/article/view/398">https://doklady.belnauka.by/jour/article/view/398</self-uri><abstract><p>Впервые на основе прямого интегрирования обобщенного уравнения переноса в полуограниченные пространства получены последовательности из интегральных тождественных равенств, которые учитывают особенности дифференциального уравнения и граничные условия. Это позволило на основе степенных полиномов с экспоненциальным сомножителем построить с высокой сходимостью приближенные решения. Погрешность для широкой области параметров составляет сотые-тысячные доли процента.</p></abstract><trans-abstract xml:lang="en"><p>On the basis of direct integration of the generalized equation of heat transfer in a semi-bounded space, the sequences of identical integral equalities defining the features of a differential equation and boundary conditions were obtained for the first time. On the basis of power polynomials with an exponential factor, this made it possible to construct approximate solutions with high convergence. The error in determining parameters over a wide range is hundredths and thousandths of a percent.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>уравнение теплопроводности</kwd><kwd>интегральные преобразования</kwd><kwd>тождественные равенства</kwd><kwd>приближенное решение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heat-conduction equation</kwd><kwd>integral transformation</kwd><kwd>identical equalities</kwd><kwd>approximate solution</kwd><kwd>convergence</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">Кошляков, Н. С. Уравнения в частных производных математической физики / Н. С. Кошляков, Э. Б. Глинер, М. М. Смирнов. – М., 1970. – 767 с.</mixed-citation><mixed-citation xml:lang="en">Koshlyakov N. S., Gliner E. B., Smirnov M. M. Equations of partial derivatives of mathematical physics. Moscow, 1970. 767 p. 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