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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">isplta</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Санкт-Петербургской лесотехнической академии</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-4304</issn><issn pub-type="epub">2658-5871</issn><publisher><publisher-name>СПбГЛТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21266/2079-4304.2024.251.350-368</article-id><article-id custom-type="elpub" pub-id-type="custom">isplta-439</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>ДРЕВЕСИНОВЕДЕНИЕ, ТЕХНОЛОГИЯ И ОБОРУДОВАНИЕ ДЕРЕВОПЕРЕРАБОТКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>WOOD SCIENCE. MECHANICAL WOODWORKING INDUSTRY</subject></subj-group></article-categories><title-group><article-title>Влагопроводность ядровой древесины сосны в стволе дерева</article-title><trans-title-group xml:lang="en"><trans-title>Moisture conductivity of pine core wood in a tree trunk</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8352-1941</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кантиева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kantieva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>КАНТИЕВА Екатерина Валентиновна – заведующая кафедрой механической технологии древесины, кандидат технических наук</p><p>394087, ул. Тимирязева, д. 8, г. Воронеж</p><p>ResearcherID: ААR-8571-2020</p></bio><bio xml:lang="en"><p>KANTIEVA Ekaterina V. – PhD (Technical),Head of the Department of Production, Mechanical Wood Technology</p><p>394087. Timiryazev str. 8. Voronezh</p><p>Researcher ID:ААR-8571-2020 </p></bio><email xlink:type="simple">ekantieva@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4371-2270</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Снегирева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Snegireva</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>СНЕГИРЕВА Светлана Николаевна – доцент кафедры древесиноведения, кандидат биологических наук</p><p>394087, ул. Тимирязева, д. 8, г. Воронеж</p><p>ResearcherID: ААR-5877-2020</p></bio><bio xml:lang="en"><p>SNEGIREVA Svetlana N. – PhD (Biological), Associate Professor of the Department of Wood Science</p><p>394087. Timiryazev str. 8. Voronezh</p><p>Researcher ID: ААR-5877-2020</p></bio><email xlink:type="simple">svetkasneg@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5941-6287</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Платонов</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Platonov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ПЛАТОНОВ Алексей Дмитриевич – заведующий кафедрой древесиноведения, доктор технических наук</p><p>394087, ул. Тимирязева, д. 8, г. Воронеж</p><p>ResearcherID:AAC-9820-2019</p></bio><bio xml:lang="en"><p>PLATONOV Aleksei D. – DSc (Technical), Head of the Department of WoodScience</p><p>394087. Timiryazev str. 8. Voronezh</p><p>Researcher ID: AAC-9820-2019</p></bio><email xlink:type="simple">aleksey66@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный лесотехнический университет имени Г.Ф. Морозова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State Forestry Engineering University named after G.F. Morozov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2025</year></pub-date><volume>0</volume><issue>251</issue><fpage>350</fpage><lpage>368</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кантиева Е.В., Снегирева С.Н., Платонов А.Д., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кантиева Е.В., Снегирева С.Н., Платонов А.Д.</copyright-holder><copyright-holder xml:lang="en">Kantieva E.V., Snegireva S.N., Platonov A.D.</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://izvestiya-lta.spbftu.ru/jour/article/view/439">https://izvestiya-lta.spbftu.ru/jour/article/view/439</self-uri><abstract><p>В статье рассмотрен процесс перемещения влаги в древесине в процессе её гидротермической обработки. Получение качественно высушенного материала с минимальными внутренними напряжениями возможно на основе сведений о величине тока влаги в древесине, выражаемой через коэффициент влагопроводности. На коэффициент влагопроводности большое влияние оказывает температура, с повышением которой его величина существенно возрастает. На интенсивность тока влаги в древесине оказывают влияние порода, направление тока влаги и место расположения древесины в стволе дерева. Имеющиеся сведения о влагопроводности древесины не учитывают изменчивость плотности древесины по высоте ствола дерева и представлены для комлевой части ствола. Определение коэффициента влагопроводности установлено в радиальном и тангенциальном направлении для ядровой древесины сосны с учетом высоты ствола методом стационарного тока влаги. Экспериментально установлено повышение величины коэффициента влагопроводности древесины сосны по высоте ствола в средней его части в 1,6 раза, а в вершинной – в 2,05 раза по сравнению с комлевой. Интенсивность тока влаги в радиальном направлении выше, чем в тангенциальном, в древесине из комлевой части ствола в среднем на 14,0%, из средней части ствола – на 5,0%, а из вершинной – на 16,0% независимо от температуры среды. Полученныезакономерности об изменчивости коэффициента влагопроводности древесины сосны по высоте ствола показывают целесообразность проведения предварительной сортировки древесины перед гидротермической обработкой с учетом местоположения её в стволе дерева. Это позволит оптимизировать процессы высыхания и увлажнения древесины, обосновать рациональные режимы камерной и атмосферной сушки.</p></abstract><trans-abstract xml:lang="en"><p>The article considers the process of moisture transfer in wood during its hydrothermal treatment. Obtaining a high-quality dried material with minimal internal stresses is possible based on information about the amount of moisture current in the wood, expressed in terms of the moisture conductivity coefficient. The coefficient of moisture conductivity is greatly influenced by temperature, with an increase in which its value increases significantly. The intensity of the moisture current in the wood is influenced by the breed, the direction of the moisture current and the location of the wood in the tree trunk. The available information on the moisture conductivity of wood does not take into account the variability of the density of wood in the height of the tree trunk and is presented for the butt part of the trunk. The determination of the moisture conductivity coefficient was established in the radial and tangential directions for sound pine wood, taking into account the height of the trunk by the method of stationary moisture current. Experimentally, an increase in the value of the moisture conductivity coefficient of pine wood in the height of the trunk in its middle part by 1.6 times, and in the apex – by 2.05 times compared with the lump. The intensity of the moisture current in the radial direction is higher than in the tangential direction in wood from the butt part of the trunk by an average of 14.0%, from the middle part of the trunk – by 5.0%, and from the apex – by 16.0% regardless of the ambient temperature. The obtained patterns on the variability of the moisture conductivity coefficient of pine wood in trunk height show the expediency of carrying out preliminary sorting of wood before hydrothermal treatment, taking into account its location in the trunk of the tree. This will optimize the processes of drying and moistening of wood, justify rational modes of chamber and atmospheric drying.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коэффициент влагопроводности</kwd><kwd>влажность древесины</kwd><kwd>древесина сосны</kwd><kwd>плотность древесины</kwd><kwd>древесина ядровая</kwd><kwd>метод стационарного тока влаги</kwd><kwd>диффузный ток влаги</kwd><kwd>ствол дерева</kwd><kwd>высота ствола</kwd></kwd-group><kwd-group xml:lang="en"><kwd>moisture conductivity coefficient</kwd><kwd>wood moisture</kwd><kwd>pine wood</kwd><kwd>wood density</kwd><kwd>sound wood</kwd><kwd>stationary moisture current method</kwd><kwd>diffuse moisture current</kwd><kwd>tree trunk</kwd><kwd>trunk height</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">Алпаткина Р.П. 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