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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">From Chemistry Towards Technology Step-By-Step</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">From Chemistry Towards Technology Step-By-Step</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>От химии к технологии шаг за шагом</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="online">2782-1900</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">82923</article-id>
   <article-id pub-id-type="doi">10.52957/27821900_2021_02_89</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Научные статьи</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Scientific articles</subject>
    </subj-group>
    <subj-group>
     <subject>Научные статьи</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Laboratory and semi-industrial ultrasonic dryers</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Лабораторная и полупромышленные ультразвуковые сушилки</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6989-9769</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Терентьев</surname>
       <given-names>Сергей А.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Terentiev</surname>
       <given-names>Sergey A.</given-names>
      </name>
     </name-alternatives>
     <email>sergey@bti.secna.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5299-9931</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шалунов</surname>
       <given-names>Андрей Викторович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shalunov</surname>
       <given-names>Andrey V.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7089-3578</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Хмелев</surname>
       <given-names>Владимир Николаевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Khmelev</surname>
       <given-names>Vladimir N.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6140-5699</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Нестеров</surname>
       <given-names>Виктор Александрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Nesterov</surname>
       <given-names>Viktor A.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7708-0665</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Голых</surname>
       <given-names>Роман Николаевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Golykh</surname>
       <given-names>Roman N.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Бийский технологический институт (филиал) ФГБОУ ВО «Алтайский государственный технический университет им. И.И. Ползунова»</institution>
     <city>Бийск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Biysk Technological Institute (branch) of the Altay State Technical University</institution>
     <city>Biysk</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Бийский технологический институт (филиал) ФГБОУ ВО «Алтайский государственный технический университет им. И.И. Ползунова»</institution>
     <city>Бийск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Biysk Technological Institute (branch) of the Altay State Technical University</institution>
     <city>Biysk</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Бийский технологический институт (филиал) ФГБОУ ВО «Алтайский государственный технический университет им. И.И. Ползунова»</institution>
     <city>Бийск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Biysk Technological Institute (branch) of the Altay State Technical University</institution>
     <city>Biysk</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Бийский технологический институт (филиал) ФГБОУ ВО «Алтайский государственный технический университет им. И.И. Ползунова»</institution>
     <city>Бийск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Biysk Technological Institute (branch) of the Altay State Technical University</institution>
     <city>Biysk</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Бийский технологический институт (филиал) ФГБОУ ВО «Алтайский государственный технический университет им. И.И. Ползунова»</institution>
     <city>Бийск</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Biysk Technological Institute (branch) of the Altay State Technical University</institution>
     <city>Biysk</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2021-06-23T00:00:00+03:00">
    <day>23</day>
    <month>06</month>
    <year>2021</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2021-06-23T00:00:00+03:00">
    <day>23</day>
    <month>06</month>
    <year>2021</year>
   </pub-date>
   <volume>2</volume>
   <issue>2</issue>
   <fpage>89</fpage>
   <lpage>97</lpage>
   <history>
    <date date-type="received" iso-8601-date="2021-05-04T00:00:00+03:00">
     <day>04</day>
     <month>05</month>
     <year>2021</year>
    </date>
    <date date-type="accepted" iso-8601-date="2021-06-08T00:00:00+03:00">
     <day>08</day>
     <month>06</month>
     <year>2021</year>
    </date>
   </history>
   <self-uri xlink:href="https://chemintech.ru/en/nauka/article/82923/view">https://chemintech.ru/en/nauka/article/82923/view</self-uri>
   <abstract xml:lang="ru">
    <p>В статье рассматривается процесс конвективной сушки материалов на примере картофеля при температуре 60 С. Для интенсификации сушки добавлялось бесконтактное ультразвуковое воздействие с различными уровнями звукового давления в диапазоне 130–175 дБ. Ультразвуковое воздействие 175 дБ позволило сократить время сушки картофеля на 57,1% по сравнению с конвективной сушкой. Начиная с уровня звукового давления 150 дБ, было отмечено скачкообразное изменение скорости сушки на начальном этапе (при высоком влагосодержании). Это позволило сделать предположение о том, что запускается механизм обезвоживания материала без фазового перехода, то есть за счет диспергирования влаги с поверхности высушиваемого материала. Для подтверждения механизма диспергирования было проведено улавливание капель воды на предметное стекло с иммерсионной жидкостью. При этом отмечалось, что с уменьшением влагосодержания материала также уменьшалось количество диспергированных капель. Оптимальным уровнем звукового давления с точки зрения сокращения времени сушки и потребляемой энергии является диапазон 160–165 дБ. Для увеличения массы одновременно высушиваемого материала были предложены две конструкции сушильных установок барабанного типа. Ультразвуковая сушка (160–165 дБ) картофеля в виде кубиков в предложенных установках осуществлялась на 45–47% быстрее, чем при конвективной сушке.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The paper deals with the process of convective drying of materials using potatoes as an example at 60 C. To intensify the drying process, non-contact ultrasound with different acoustic pressure levels in the range 130-175 dB was applied. Ultrasonic drying at175 dB reduced the drying time of potatoes by 57.1%to compare with the convection drying. We observed a step change of drying speed during the initial phase (at high moisture content) at acoustic pressure level of 150 dB. It allows to predict the activation of dehydration mechanism without a phase change, i.e., by dispersing moisture from the surface of the material to be dried. To verify the dispersion mechanism, we captured water droplets with the immersion liquid slide. The number of dispersed droplets decreased along with decreasing of material moisture content. The optimum of acoustic pressure level is 160-165 dB range in terms of reduced drying time and energy consumption. Two drum-type dryer designs have been proposed to increase the mass of material being dried at the same time. Ultrasonic drying (160-165 dB) of diced potatoes by these units was 45-47% faster than convection drying.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>уровень звукового давления</kwd>
    <kwd>сушка</kwd>
    <kwd>диспергирование</kwd>
    <kwd>ультразвуковая сушилка</kwd>
    <kwd>кривая сушки</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>acoustic pressure level</kwd>
    <kwd>drying</kwd>
    <kwd>dispersing</kwd>
    <kwd>ultrasonic dryer</kwd>
    <kwd>drying curve</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
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