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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">vimjour</journal-id><journal-title-group><journal-title xml:lang="ru">Сельскохозяйственные машины и технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Machinery and Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7599</issn><publisher><publisher-name>Federal State Budgetary Scientific Institution «Federal Scientific Agroengineering Center VIM»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22314/2073-7599-2020-14-1-76-80</article-id><article-id custom-type="elpub" pub-id-type="custom">vimjour-372</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>ТЕХНИКА ДЛЯ РАСТЕНИЕВОДСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MACHINERY FOR PLANT GROWING</subject></subj-group></article-categories><title-group><article-title>Обоснование количества форсунок универсального вентиляторного опрыскивателя</article-title><trans-title-group xml:lang="en"><trans-title>Justification the Number of Spray Tips of the Universal Fan Sprayer</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>Ахметов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmetov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адилбек Агабекович Ахметов, доктор технических наук, профессор</p><p>г. Ташкент</p></bio><bio xml:lang="en"><p>Adilbek Agabekovich Akhmetov, Dr.Sc.(Eng.), professor</p><p>Tashkent</p></bio><email xlink:type="simple">tractor-v@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>Юлдашев</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yuldashev</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Азамат Исмаилович Юлдашев, соискатель</p><p>г. Ташкент</p></bio><bio xml:lang="en"><p>Azamat Ismailovich Yuldashev, aspirant</p><p>Tashkent</p></bio><email xlink:type="simple">Azamat3072@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Камбарова</surname><given-names>Д. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Kambarova</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дилфуза Усманалиевна Камбарова, ассистент</p><p>г. Ташкент</p></bio><bio xml:lang="en"><p>Dilfuza Usmanalievna Kambarova, assistant</p><p>Tashkent</p></bio><email xlink:type="simple">kdu.317@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ташкентский государственный технический университет им. И.А. Каримова</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent Institute of Irrigation and Agricultural Mechanization Engineers</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ташентский институт инженеров ирригации и механизации сельского хозяйства</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent Institute of Irrigation and Agricultural Mechanization Engineers</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Ташкентский государственный технический университет им. И.А. Каримова</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent State Technical University named after Islam Karimov</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>24</day><month>03</month><year>2020</year></pub-date><volume>14</volume><issue>1</issue><fpage>76</fpage><lpage>80</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ахметов А.А., Юлдашев А.И., Камбарова Д.У., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ахметов А.А., Юлдашев А.И., Камбарова Д.У.</copyright-holder><copyright-holder xml:lang="en">Akhmetov A.A., Yuldashev A.I., Kambarova D.Y.</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://www.vimsmit.com/jour/article/view/372">https://www.vimsmit.com/jour/article/view/372</self-uri><abstract><p>Отметили недостатки вентиляторных опрыскивателей типа ОВХ-600 и ВП-1, связанные с неравномерностью внесения жидких средств химизации из-за колебательного движения рабочих органов. (Цель исследования) Повысить равномерность внесения раствора жидких средств химизации по всей ширине захвата вентиляторного опрыскивателя. (Материалы и методы) В СП «Agriхim» разработали универсальный вентиляторный опрыскиватель, предназначенный для обработки полевых культур, садов и виноградников управляемым воздушно-капельным потоком. Показали, что количество форсунок зависит от технологической схемы работы и ширины захвата опрыскивателя. (Результаты и обсуждение) Основными рабочими элементами универсального вентиляторного опрыскивателя, дозирующими норму внесения пестицидов, служат распыливающие наконечники, количество которых во многом зависит от технологической схемы работы и ширины захвата опрыскивателя. Определили оптимальное число форсунок – 25 штук. В зависимости от расхода рабочего раствора выделили три группы наконечников. (Выводы) Выявили, что в новой конструкции исключены колебательные движения рабочих органов опрыскивателя, значительная ширина захвата (24 метра против 16 метров в серийных моделях) позволяет резко повысить производительность работ, а число переналадок сведено к минимуму. Упростили и удешевили конструкцию опрыскивателя вследствие отказа от ряда кинематических пар и приводов. Повысили надежность агрегата, исключив трущиеся и движущиеся детали и узлы. Представили схему расположения 25 форсунок для качественной обработки пестицидами: 5 задних центральных установили на воздуховодах под углом относительно поверхности почвы, а на противоположно направленных воздуховодах разместили по 3 и 7 штук в каждой стороне от оси симметрии опрыскивателя. Рассчитали, что норму расхода рабочей жидкости в пределах 100-500 литров на гектар можно регулировать путем изменения давления в системе от 2 до 8 бар и рабочей скорости от 3 до 7 километров в час.</p></abstract><trans-abstract xml:lang="en"><p>The authors noted the disadvantages of fan sprayers such as OVH-600 and VP-1, associated with uneven application of pesticides due to the oscillatory motion of the working parts, especially in the junction of adjacent passages. (Research purpose) To increase the uniformity of the pesticide solution application over the entire width of the fan sprayer. (Materials and methods) The JV «Agriхim» developed a universal fan sprayer designed for the treatment of field crops, orchards and vineyards controlled by air-droplet flow. It was shown that the number of nozzles depends on the technological scheme of operation and the width of the sprayer. (Results and discussion) The authors determined the optimal number of injectors – 25 pieces. Depending on the flow rate of the working solution, three groups of tips were distinguished. (Conclusions) The authors revealed that the new design eliminates oscillatory movements of the working parts of the sprayer, a significant width (24 meters vs. 16 meters in production models) allows to increase dramatically the productivity of work, and the number of changeovers is minimized. They simplified and cheapened the design of the sprayer due to the rejection of a number of kinematic pairs and drives. They increased reliability of the unit, eliminating rubbing and moving parts and components. They presented the layout of 25 nozzles for high-quality pesticide treatment: 5 rear central nozzles were installed on the air ducts at an angle relative to the soil surface, and on the opposite direction of the air ducts placed 3 and 7 nozzles in each side of the axis of symmetry of the sprayer. It was calculated that the rate of flow of the working fluid in the range of 100-500 liters per hectare can be adjusted by changing the pressure in the system from 2 to 8 bar and the working speed from 3 to 7 kilometers per hour.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вентиляторный опрыскиватель</kwd><kwd>форсунки</kwd><kwd>воздушно-капельные потоки</kwd><kwd>воздуховоды</kwd><kwd>равномерность внесения раствора пестицидов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fan sprayer</kwd><kwd>nozzles</kwd><kwd>air-drop streams</kwd><kwd>air ducts</kwd><kwd>uniformity of application of a solution of pesticides</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">Drincha V.M., Rufai I. Prospective areas in Agricultural Engineering Research for Sustainable Agriculture and Rual development. 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