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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">10.21822/2073-6185-2020-47-3-16-25</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-838</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>Моделирование рабочих процессов водоходного движителя паромно-мостовой машины ПММ-2М</article-title><trans-title-group xml:lang="en"><trans-title>Modeling working processes of the marine thruster of the PMM-2M ferry-bridge machine</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>Месропян</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mesropyan</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Месропян Арсен Владимирович - доктор технических наук, профессор, и. о. заведующего кафедрой теоретической механики.450008, Уфа, ул.К.Маркса, 12.</p></bio><bio xml:lang="en"><p>Arsen V. Mesropyan - Dr. Sci. (Technical), Prof., Head of the Department of Theoretical Mechanics.12 K. Marx St., Ufa 450008.</p></bio><email xlink:type="simple">avm74@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>Платонов</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Platonov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Платонов Евгений Александрович - оператор ЭВиВМ, кафедра прикладной гидромеханики.450008, Уфа, ул.К.Маркса, 12.</p></bio><bio xml:lang="en"><p>Evgenij A. Platonov - computer's operator Department of Applied Hydromechanics.12 K. Marx St., Ufa 450008.</p></bio><email xlink:type="simple">elacom@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>Рахматуллин</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmatullin</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рахматуллин Радмир Рифович - аспирант, кафедра прикладной гидромеханики.450008, Уфа, ул.К.Маркса, 12.</p></bio><bio xml:lang="en"><p>Radmir R. Rakhmatullin - Postgrad. (PhD) Student, Department of Applied Hydromechanics.12 K. Marx St., Ufa 450008.</p></bio><email xlink:type="simple">radmir.molodets.93@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уфимский государственный авиационный технический университет (УГАТУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ufa State Aviation Technical University (USATU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>15</day><month>11</month><year>2020</year></pub-date><volume>47</volume><issue>3</issue><fpage>16</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Месропян А.В., Платонов Е.А., Рахматуллин Р.Р., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Месропян А.В., Платонов Е.А., Рахматуллин Р.Р.</copyright-holder><copyright-holder xml:lang="en">Mesropyan A.V., Platonov E.A., Rakhmatullin R.R.</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/838">https://vestnik.dgtu.ru/jour/article/view/838</self-uri><abstract><p>Цель. В статье рассматриваются аспекты моделирования рабочих процессов, протекающих в водоходных движителях амфибийных машин, с учетом специфики их эксплуатации. Метод. Применены методы трехмерного моделирования гребных винтов в CAD- и CAE- пакетах, способные с достоверной точностью определять и оптимизировать параметры протекающих рабочих процессов. Результат. Предложен математический аппарат, позволяющий рассчитывать характеристики водоходных движителей машин-амфибий. Спроектирован гребной винт, обеспечивающий большую тягу по сравнению с исходной конструкцией, позволяющий увеличить скорость движения по воде и уменьшить радиус циркуляции при движении по воде. Рассчитанный вариант гребного винта обеспечивает повышение тяги на 36%, позволяет развить большую скорость движения по воде и значительно снизить радиус циркуляции паромно-мостовой машины при маневрировании на воде. Вывод. Предложенный вариант увеличения скорости движения и маневренности на воде паромных машин является наиболее эффективным и наименее затратным; перспективным направлением дальнейших исследований для достижения максимальной эффективности является создание и верификация программно-аппаратных и методических комплексов для моделирования совместной работы системы «водоходный движитель - корпус - силовая установка».</p></abstract><trans-abstract xml:lang="en"><p>Objective. The article deals with aspects of modeling the working processes occurring in marine thrusters of amphibious vehicles, taking into account the specifics of their operation. Methods. The methods of 3D modeling of propellers in CAD and CAE packages are applied, which can determine and optimize the parameters of ongoing work processes with reliable accuracy. Results. A mathematical construct is proposed that allows calculating the characteristics of marine thrusters of amphibious vehicles. The propeller is designed to provide more thrust compared to the original design, making it possible to increase the speed of movement on the water and reduce the radius of circulation when moving through the water. The calculated version of the propeller provides an increase in thrust by 36%, allows developing a high speed on the water, and significantly reduces the radius of circulation of the ferry-bridge machine when maneuvering on the water. Conclusion. The proposed option for increasing the speed and maneuverability of ferry vehicles on the water is the most effective and least expensive; a promising direction for further research to achieve maximum efficiency is the creation and verification of software, hardware, and methodological complexes for modeling the joint operation of the "marine thruster - hull - power plant" system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>паромно-мостовая машина</kwd><kwd>гребной винт в кольцевой насадке</kwd><kwd>водоходный движитель</kwd><kwd>машина-амфибия</kwd><kwd>кольцевая насадка</kwd><kwd>моделирование рабочих процессов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ferry-bridge machine</kwd><kwd>propeller in a ring nozzle</kwd><kwd>marine thruster</kwd><kwd>amphibious vehicle</kwd><kwd>ring nozzle</kwd><kwd>working processes modeling</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">Степанов А. 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