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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">izvkgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия КГТУ</journal-title><trans-title-group xml:lang="en"><trans-title>KSTU News</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-3071</issn><publisher><publisher-name>Калининградский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46845/1997-3071-2024-72-41-56</article-id><article-id custom-type="elpub" pub-id-type="custom">izvkgtu-18</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 И ТЕХНОЛОГИЯ ПИЩЕВЫХ ПРОИЗВОДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PROCESSES AND TECHNOLOGY OF FOOD MANUFACTURING</subject></subj-group></article-categories><title-group><article-title>Оценка рабочих характеристик установок для подачи высоковязких пищевых масс с помощью кулачковых насосов российского производства</article-title><trans-title-group xml:lang="en"><trans-title>Performance evaluation of high-viscosity food masses feeding installations using Russian-made lobe pumps</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3483-3580</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахмедова</surname><given-names>Н. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmedova</surname><given-names>N. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Равиловна Ахмедова, кандидат биологических наук, доцент кафедры техносферной безопасности и природообустройства</p><p>Калининград </p></bio><bio xml:lang="en"><p>Natal’ya R. Akhmedova, PhD in Biology, Associate Professor of the Department of Technosphere Safety and Environmental Management</p><p>Kaliningrad </p></bio><email xlink:type="simple">isfendi@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/0000-0001-5922-9123</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Левичева</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Levicheva</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оксана Игоревна Левичева, аспирант кафедры техносферной безопасности и природообустройства</p><p>Калининград </p></bio><bio xml:lang="en"><p>Oksana I. Levicheva, graduate student of the Department of Technosphere Safety and Environmental Management</p><p>Kaliningrad </p></bio><email xlink:type="simple">levicheva@bk.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/0000-0003-0560-5933</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Наумов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Naumov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Аркадьевич Наумов, доктор технических наук, профессор кафедры техносферной безопасности и природообустройства</p><p>Калининград </p></bio><bio xml:lang="en"><p>Vladimir A. Naumov, Doctor of Engineering, Professor of the Department of Technosphere Safety and Environmental Management</p><p>Kaliningrad </p></bio><email xlink:type="simple">van-old@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Калининградский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kaliningrad State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>18</day><month>03</month><year>2025</year></pub-date><volume>0</volume><issue>72</issue><fpage>41</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ахмедова Н.Р., Левичева О.И., Наумов В.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ахмедова Н.Р., Левичева О.И., Наумов В.А.</copyright-holder><copyright-holder xml:lang="en">Akhmedova N.R., Levicheva O.I., Naumov 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://journal.klgtu.ru/jour/article/view/18">https://journal.klgtu.ru/jour/article/view/18</self-uri><abstract><p>В пищевой промышленности для перекачивания рабочих сред используют кулачковые насосы, которые являются одними из самых сложных в изготовлении. При этом у насосов данного типа есть ряд преимуществ: низкие эксплуатационные затраты, длительный срок службы и бережное перемещение пищевых масс без повреждения их структуры. В данной работе рассматриваются рабочие характеристики кулачковых насосов российского производства с целью разработки метода оценки рабочих характеристик по параметрам технического паспорта. Установлено, что с увеличением безразмерного коэффициента динамической вязкости возрастает как подача, так и затраченная мощность кулачковых насосов серии КНП российского производства, но с увеличением вязкости влияние ее на подачу уменьшается, а на затраченную мощность – возрастает. При этом результаты расчета показывают, что с ростом вязкости перекачиваемой жидкости показатели энергетической эффективности сначала улучшаются, а затем начинают ухудшаться. Это связано с тем, что для перекачивания более вязких пищевых масс требуются большие энергетические затраты. Выполнен гидравлический расчет технологического трубопровода при перекачивании пищевой массы (плавленого сыра), который показал, что при транспортировании высоковязких продуктов уменьшение диаметра трубопровода слабо влияет на подачу, но приводит к заметному увеличению гидравлических потерь, затраченной мощности и ухудшению энергетической эффективности установки. Предложен метод, который позволит получить приближенные рабочие характеристики кулачковых насосов российского производства по насосу-аналогу. Полученные в данной работе характеристики кулачковых насосов позволяют рассчитать расход, перепад давления и затраченную мощность в рабочей точке для заданного технологического трубопровода.</p></abstract><trans-abstract xml:lang="en"><p>In the food industry, lobe pumps are used to pump working media, which are among the most difficult to manufacture. At the same time, pumps of this type have a number of advantages: low operating costs, long service life and careful movement of food masses without damaging their structure. This paper examines the performance characteristics of Russian-made lobe pumps with the aim of developing a method for assessing performance characteristics based on the parameters of the technical passport. It has been established that with an increase in the dimensionless coefficient of dynamic viscosity, both the flow and the expended power of the lobe pumps of the KNP series of Russian production increase, but with an increase in viscosity its effect on the flow decreases, and on the expended power it increases. At the same time, the calculation results show that with an increase in the viscosity of the pumped liquid, the energy efficiency indicators first improve and then begin to deteriorate. This is due to the fact that pumping more viscous food masses requires large energy costs. A hydraulic calculation of the process pipeline when pumping food mass (processed cheese) has been carried out, which showed that when transporting highly viscous products, a decrease in the diameter of the pipeline has little effect on the flow, but leads to a noticeable increase in hydraulic losses, consumed power and a deterioration in the energy efficiency of the installation. A method has been proposed that will allow one to obtain approximate performance characteristics of Russian-made lobe pumps based on an analogue pump. The characteristics of the lobe pumps obtained in this work make it possible to calculate the flow rate, pressure drop and consumed power at the operating point for a given process pipeline.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кулачковые насосы</kwd><kwd>нагрузочные характеристики</kwd><kwd>подача</kwd><kwd>напор</kwd><kwd>мощность</kwd><kwd>аналоги</kwd><kwd>КПД</kwd><kwd>рабочая точка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lobe pumps</kwd><kwd>load characteristics</kwd><kwd>flow</kwd><kwd>pressure</kwd><kwd>power</kwd><kwd>analogues</kwd><kwd>efficiency</kwd><kwd>operating point</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания 2022 года по теме «Разработка и совершенствование продукционных систем пищевой отрасли».</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the state assignment for 2022 on the topic «Development and improvement of production systems in the food industry».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Karassik I. 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