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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">10.46845/1997-3071-2022-66-78-88</article-id><article-id custom-type="elpub" pub-id-type="custom">izvkgtu-88</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>Критерии подобия установок для перекачивания маловязких пищевых жидкостей вихревыми насосами</article-title><trans-title-group xml:lang="en"><trans-title>Similarity criteria of units for pumping low-viscosity food liquids by peripheral 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. A.</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>N. R. Akhmedova – PhD in Biology, Associate Professor of Technosphere Safety and Environmental Engineering Department</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"><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 – начальник участка водоснабжения и водоотведения</p><p>Багратионовск</p></bio><bio xml:lang="en"><p>O. I. Levicheva – Head of the water supply and sanitation section</p><p>Bagrationovsk</p></bio><email xlink:type="simple">levicheva@bk.ru</email><xref ref-type="aff" rid="aff-2"/></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>V. A. Naumov – Doctor of Engineering, Professor of Technosphere Safety and Environmental Engineering Department</p><p>Kaliningrad</p></bio><email xlink:type="simple">van-old@rambler.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><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО "Балтфармацевтика"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Baltfarmatsevtika LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>19</day><month>03</month><year>2025</year></pub-date><volume>0</volume><issue>66</issue><fpage>78</fpage><lpage>88</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.A., 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/88">https://journal.klgtu.ru/jour/article/view/88</self-uri><abstract><p>На предприятиях пищевой промышленности для перекачки рабочих сред применяют насосы различных типов. Вихревые насосы (ВН) могут работать с широким ассортиментом продуктов, которые не содержат твердые примеси и могут создавать большой напор при сравнительно невысокой подаче. Рекомендуется использовать ВН с большими значениями торцевого зазора между рабочим колесом и корпусом, имеющими линейную напорную характеристику. Уменьшение зазора может привести к засорению агрегата и усложнению его промывки в межоперационный период. Производители ВН в открытом доступе размещают характеристики насосов в размерной форме и, как правило, только зависимость напора от подачи. Расчеты, выполненные на основании результатов испытаний АО ГМС "Ливгидромаш", позволили определить критерии подобия для рассматриваемых насосных установок и исследовать их влияние на рабочие характеристики. Установлено, что для всех анализируемых ВН линейные нагрузочные характеристики (зависимость подача–напор) являются подобными; для характеристик подача–затраченная мощность установлен один критерий подобия (θ), для коэффициента полезного действия (КПД) – два критерия (θ, К). Критериями подобия при определении подачи и напора в рабочей точке являются две безразмерные величины (a, hC), с увеличением которых безразмерная подача падает, а напор возрастает. Для безразмерной мощности в рабочей точке установлены три критерия подобия (a, hC, θ), для КПД – четыре (a, hC, θ, К). Увеличение критериев a, hC, θ приводит к росту безразмерной затраченной мощности в рабочей точке и уменьшению КПД. Рост КПД происходит только при увеличении значения К.</p></abstract><trans-abstract xml:lang="en"><p>Various types of pumps are used at food industry enterprises for pumping processing media. Perifirium pumps (PP) can work with a wide range of products that do not contain solid impurities and can create a large pressure at a relatively low flow rate. It is recommended to use PP with large values of the end gap between the impeller and the housing, having a linear pressure characteristic. Reducing the gap can lead to clogging of the unit and complicating its flushing between operations. Manufacturers of PP in the open access place the characteristics of pumps in dimensional form and, as a rule, only the dependence of the pressure on the flow rate. Calculations performed on the basis of the test results of JSC HMS "Livgidromash" have made it possible to determine the similarity criteria for the pumping units under consideration and to investigate their impact on performance characteristics. It has been established that for all the considered PP, the linear load characteristics (flow-head dependence) are similar; for the flow-power characteristics, one similarity criterion (θ) has been defined, when determining the efficiency (efficiency), two criteria (θ, K) have been defined. The similarity criteria for determining the flow and pressure at the working point are two dimensionless quantities (a, hC), with an increase in which the dimensionless flow decreases and the pressure increases. When determining the dimensionless power at the working point, three similarity criteria have been established (a, hC, θ), when determining the efficiency- four (a, hC, θ, K). An increase in the criteria a, hC, θ leads to an increase in the dimensionless power expended at the working point and a decrease in efficiency. The increase in efficiency occurs only with an increase in the K value.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вихревые насосы</kwd><kwd>нагрузочные характеристики</kwd><kwd>подача</kwd><kwd>напор</kwd><kwd>мощность</kwd><kwd>КПД</kwd><kwd>рабочая точка</kwd><kwd>критерии подобия</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">Skoglund T., Dejmek P. A dynamic object-oriented model for efficient simulation of microbial reduction in dispersed turbulent flow // Journal of Food Engineering. 2008. V. 86. P. 358–369.</mixed-citation><mixed-citation xml:lang="en">Skoglund T., Dejmek P. A dynamic object-oriented model for efficient simulation of mi-crobial reduction in dispersed turbulent flow. 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