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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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">caht-251</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ ВЛИЯНИЯ ПЕРФОРАЦИИ ДЛЯ СНИЖЕНИЯ ПУЛЬСАЦИОННЫХ НАГРУЗОК, ДЕЙСТВУЮЩИХ НА АЭРОДИНАМИЧЕСКИЕ УПРАВЛЯЮЩИЕ ПОВЕРХНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>RESEARCH OF INFLUENCE OF PERFORATION TO REDUCE PULSATION LOADS ACTING ON THE AERODYNAMIC CONTROL SURFACES</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>Калугин</surname><given-names>В. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalugin</surname><given-names>V. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры динамики и управления полетом ракет и космических аппаратов</p></bio><email xlink:type="simple">kaluginvt@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>Епихин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Epikhin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант</p></bio><email xlink:type="simple">andy_e@bk.ru</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернуха</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernukha</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры динамики полета и управления движением летательных аппаратов</p></bio><email xlink:type="simple">polina_ch@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>МГТУ им. Н.Э. Баумана</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2016</year></pub-date><issue>223</issue><fpage>51</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Калугин В.Т., Епихин А.С., Чернуха П.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Калугин В.Т., Епихин А.С., Чернуха П.А.</copyright-holder><copyright-holder xml:lang="en">Kalugin V.T., Epikhin A.S., Chernukha P.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://avia.mstuca.ru/jour/article/view/251">https://avia.mstuca.ru/jour/article/view/251</self-uri><abstract><p>Проведено исследование влияния нестационарных вихревых течений на аэродинамические управляющие и стабилизирующие поверхности и определены пульсационные аэродинамические характеристики органов управления полетом с применением открытого пакета OpenFoam. Представлены результаты численных расчетов обтекания тормозного щитка и установленного за ним килевого стабилизатора. Проведена оценка пульсационных нагрузок, обусловленных наличием тормозного щитка, установленного на различных углах отклонения на килевой стабилизатор. Для снижения пульсационных нагрузок предложен вариант перфорации тормозного щитка.</p></abstract><trans-abstract xml:lang="en"><p>The research of unsteady vortex flow influence on the aerodynamic control and stabilizing surfaces is carried out. There are defined pulsation aerodynamic characteristics of flight controls with using the open software OpenFoam. The results of the numerical calculations of flow around brake flap and set behind him vertical stabilizer. The pulsation load on the pitching-stabilizer, due to the presence of a brake flap installed at different angles of deflection was calculated. To reduce the pulsation load offered the option of perforated brake flap.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>открытый пакет OpenFOAM</kwd><kwd>модель турбулентности LES</kwd><kwd>нестационарные вихревые течения</kwd><kwd>бафтинговые нагрузки</kwd><kwd>тормозной щиток</kwd><kwd>перфорация</kwd><kwd>килевой стабилизатор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>open software OpenFOAM</kwd><kwd>turbulence model LES</kwd><kwd>unsteady vortex flow field</kwd><kwd>buffet loads</kwd><kwd>brake flap</kwd><kwd>perforation</kwd><kwd>vertical stabilizer</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">Breitsamter C. and Schmid A. Airbrake-Induced Fin-Buffet Loads On Fighter Aircraft. Journal of Aircraft, Vol. 45, No. 5 (2008), PP. 1619-1630.</mixed-citation><mixed-citation xml:lang="en">Breitsamter C. and Schmid A. 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