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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Safety in Technosphere</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Safety in Technosphere</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Безопасность в техносфере</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1998-071X</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">19322</article-id>
   <article-id pub-id-type="doi">10.12737/article_5a2905be4bb1e8.12358964</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Методы и средства обеспечения безопасности</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Methods and means of safety</subject>
    </subj-group>
    <subj-group>
     <subject>Методы и средства обеспечения безопасности</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Urea Using in Piston Engines’ Exhaust Gases Treatment Systems</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Использование мочевины в системах обработки выпускных газов поршневых двигателей</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Марков</surname>
       <given-names>В. А.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Markov</surname>
       <given-names>V. A.</given-names>
      </name>
     </name-alternatives>
     <email>vladimir.markov58@yandex.ru</email>
     <bio xml:lang="ru">
      <p>доктор технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Мягков</surname>
       <given-names>Л. Л.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Myagkov</surname>
       <given-names>L. L.</given-names>
      </name>
     </name-alternatives>
     <email>mll‑08@mail.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Маластовский</surname>
       <given-names>Н. С.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Malastovskiy</surname>
       <given-names>N. S.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Блинов</surname>
       <given-names>А. С.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Blinov</surname>
       <given-names>A. S.</given-names>
      </name>
     </name-alternatives>
     <email>mr.blinoff1@yandex.ru</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Московский государственный технический университет имени Н. Э. Баумана</institution>
     <city>Moscow</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Bauman Moscow State Technical University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Московский государственный технический университет имени Н. Э. Баумана</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Bauman Moscow State Technical University</institution>
     <city>Москва</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Московский государственный технический университет имени Н.Э. Баумана</institution>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Bauman Moscow State Technical University</institution>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Московский государственный технический университет имени Н.Э. Баумана</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Bauman Moscow State Technical University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <volume>6</volume>
   <issue>4</issue>
   <fpage>40</fpage>
   <lpage>49</lpage>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/19322/view">https://naukaru.ru/en/nauka/article/19322/view</self-uri>
   <abstract xml:lang="ru">
    <p>Разработка и совершенствование систем обработки выпускных газов двигателей внутреннего сгорания в условиях ужесточения предельно допустимых значений выбросов токсичных веществ продолжают оставаться актуальными задачами. Использование методов вычислительной газовой динамики при проектировании подобных систем представляет значительную практическую ценность. В работе рассмотрена и реализована методика расчета испарения и термического разложения мочевины в системах селективной каталитической нейтрализации (SCR) в трехмерной постановке на базе программного комплекса ANSYS Fluent. Проведено сравнение результатов с существующими экспериментальными данными. Сделан вывод о возможности применения разработанной методики при оценке эффективности систем каталитической нейтрализации отработавших газов двигателей внутреннего сгорания.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Development and updating of systems for internal-combustion engines’ exhaust gases treatment under tightened limits for toxics emissions continues to be an urgent issue. The usage of computational fluid dynamics methods in the design of such systems presents a significant practical value. In this work has been considered and realized a calculation procedure for evaporation and thermal decomposition of urea in SCR-systems based on ANSYS Fluent. The calculated results have been compared with existing experimental data. It has been concluded that the developed calculation procedure can be used for efficiency estimation of SCRsystems for internal-combustion engines’ exhaust gases.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>поршневой двигатель</kwd>
    <kwd>отработавшие газы</kwd>
    <kwd>оксиды азота</kwd>
    <kwd>селективное каталитическое восстановление</kwd>
    <kwd>впрыск мочевины</kwd>
    <kwd>испарение</kwd>
    <kwd>термическое разложение</kwd>
    <kwd>методика расчета.</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>piston engine</kwd>
    <kwd>exhaust gases</kwd>
    <kwd>nitrogen oxides</kwd>
    <kwd>SCR</kwd>
    <kwd>urea injection</kwd>
    <kwd>evaporation</kwd>
    <kwd>thermal decomposition</kwd>
    <kwd>calculation procedure.</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p>1. ВведениеНа современном этапе развития двигателестроения вводятся все более ужесточающиеся требования к предельно допустимому уровню выбросов токсичных веществ с отработавшими газами (ОГ) двигателей внутреннего сгорания (ДВС) [1, 2].</p>
 </body>
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     <mixed-citation xml:lang="ru">Niki Y., Hirata K., Kishi T., Inaba T., Takagi M., Fukuda T., Nagai T., Muraoka E. SCR System for NOx Reduction of Medium Speed Marine Diesel Engine // CIMAC Congress, Bergen. 2010. Paper N228. P. 1-11.</mixed-citation>
     <mixed-citation xml:lang="en">Niki Y., Hirata K., Kishi T., Inaba T., Takagi M., Fukuda T., Nagai T., Muraoka E. SCR System for NOx Reduction of Medium Speed Marine Diesel Engine. CIMAC Congress, Bergen. 2010, Paper I. 228, pp. 1-11.</mixed-citation>
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