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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">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2022-22-5-1007-1015</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-85</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>МАТЕМАТИЧЕСКОЕ И КОМПЬЮТЕРНОЕ МОДЕЛИРОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MODELING AND SIMULATION</subject></subj-group></article-categories><title-group><article-title>Численное моделирование характеристик высоконесущих профилей с энергетическими методами увеличения подъемной силы</article-title><trans-title-group xml:lang="en"><trans-title>Numerical simulation of propulsive aerodynamic profiles</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0099-9953</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Булат</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulat</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Булат Павел Викторович — доктор физико-математических наук, кандидат экономических наук, главный научный сотрудник; главный научный сотрудник</p><p>Севастополь, 299053</p><p>sc 55969578400</p><p>Санкт-Петербург, 190005</p></bio><bio xml:lang="en"><p>Pavel V. Bulat — D. Sc. (Physics and Mathematics); Chief Researcher</p><p>299053, Sevastopol, Republic of Crimea</p><p>Saint Petersburg, 190005</p></bio><email xlink:type="simple">pavelbulat@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/0000-0003-4851-6594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курнухин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurnukhin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курнухин Антон Александрович — младший научный сотрудник; младший научный сотрудник</p><p>Севастополь, 299053</p><p>sc 57223276960</p><p>Санкт-Петербург, 190005</p></bio><bio xml:lang="en"><p>Anton A. Kurnukhin — Junior Reseacher; Junior Reseacher</p><p>299053, Sevastopol, Republic of Crimea</p><p>Saint Petersburg, 190005</p></bio><email xlink:type="simple">anton.kurnukhin@outlook.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6383-039X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Продан</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prodan</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Продан Николай Васильевич — кандидат технических наук, старший научный сотрудник; старший научный сотрудник</p><p>Севастополь, 299053</p><p>Санкт-Петербург, 190005</p><p>sc 56177927100</p></bio><bio xml:lang="en"><p>Nikolay V. Prodan — PhD (Technology), Senior Researcher; Senior Reseacher</p><p>299053, Sevastopol, Republic of Crimea</p><p>Saint Petersburg, 190005</p><p>sc 56177927100</p></bio><email xlink:type="simple">kolinti@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Севастопольский государственный университет; Балтийский государственный технический университет «ВОЕНМЕХ» им. Д.Ф. Устинова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sevastopol State University; Baltic State Technical University “VOENMEH” named after D.F. Ustinov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>12</month><year>2024</year></pub-date><volume>22</volume><issue>5</issue><fpage>1007</fpage><lpage>1015</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Булат П.В., Курнухин А.А., Продан Н.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Булат П.В., Курнухин А.А., Продан Н.В.</copyright-holder><copyright-holder xml:lang="en">Bulat P.V., Kurnukhin A.A., Prodan N.V.</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://ntv.elpub.ru/jour/article/view/85">https://ntv.elpub.ru/jour/article/view/85</self-uri><abstract><sec><title>Предмет исследования</title><p>Предмет исследования. Рассмотрена проблема создания высоконесущих профилей с энергетическими методами увеличения подъемной силы. Разработана методика математического моделирования профилей, построенных методом решения обратной задачи аэродинамики по заданным свойствам потока, омывающего профиль. Изучена зависимость несущих свойств профилей от расхода отбираемого с их поверхности воздуха. В качестве основы выбран профиль Гриффина/Голдшмида с отбором воздуха в верхней критической точке. Разработаны профили: первый — с плоским днищем для создания на взлете и посадке экранного эффекта, второй — с выбросом отбираемого воздуха через заднюю кромку, третий — модификация второго с увеличенной строительной высотой.</p></sec><sec><title>Метод</title><p>Метод. Для построения аэродинамических профилей использовано решение обратной задачи аэродинамики в рамках модели идеального газа. Задано распределение давления на верхней части профиля, его строительная высота и диапазон изменения углов атаки от 0° до 16°, а также степень разрежения до 0,5 атм в щели, через которую отбирался воздух. Для профилей с выбросом воздуха через заднюю кромку в пределах от 50 до 200 % варьировалось отношение расхода выбрасываемого воздуха к расходу отбираемого воздуха. Для каждого полученного варианта выполнены численные расчеты с помощью чисел Рейнольдса в диапазоне от 1,5·105 до 1,5·106 с использованием моделей турбулентности Спаларта–Алмараса, Transition Shear Stress Transport (SST) и Ленгтри, настройка которых производилась по известным эталонным результатам.</p></sec><sec><title>Основные результаты</title><p>Основные результаты. Расчеты показали, что профили имеют высокий коэффициент подъемной силы Cy ≈ 3–3,4, который достигается при разрежении в щели 0,5 атм. Cy зависит от угла атаки практически линейно вплоть до максимальных значений. Выброс воздуха через заднюю кромку профиля при степени разрежения 0,5 атм приводит к росту Cy, значение которого зависит от увеличения расхода воздуха.</p></sec><sec><title>Практическая значимость</title><p>Практическая значимость. Исследованные профили имеют большую строительную высоту и несущую способность, создают тягу даже при отсутствии выдува через заднюю кромку. Эти свойства позволяют их использовать в конструкции воздушных судов, для которых важным является объем внутренних отсеков, необходимых, например для размещения водородного топлива.</p></sec></abstract><trans-abstract xml:lang="en"><p>The problem of creating high-lift propulsive aerodynamic is considered. A method was developed for constructing an aerodynamic profile by solving the inverse problem of aerodynamics. The dependence of the lifting force of this profile on the volume of air sucked from its upper surface and from the angle of attack is studied. The profile under study was developed on the basis of the well-known Griffin/Goldschmid profile with air suction at the upper critical point. Three aerodynamic profiles have been developed. The first profile has a flat lower surface to obtain the ground effect. The second profile is similar to the first but has a slit nozzle near the trailing edge. The third profile is similar to the second but has a non-flat bottom surface and increased thickness. The solution of the inverse problem of aerodynamics was used to construct aerodynamic profiles within the model of an ideal gas. The pressure distribution on the upper part of the profile, its construction height and the range of angles of attack are from 0° to 16°, as well as the degree of rarefaction up to 0.5 atm in the gap through which the air was taken were set. For the second and third profiles, the ratio of the amount of air ejected through the nozzle to the amount of air taken from the upper surface of the profile was set. This ratio ranged from 50 % to 200 %. Numerical calculations were performed for each variant using the Spalart-Allmaras turbulence models and the Transition Shear Stress Transport (SST) and Langtry model. The parameters of the turbulence models were adjusted according to known reference data. The Reynolds number was in the range of 1.5·105–1.5·106. The profiles have a high lift coefficient Cy = 3–3.4 which is achieved when creating a vacuum in the air intake of 0.5 atm. Cy depends on the angle of attack almost linearly up to the maximum values. The greater the air flow through the slot nozzle, the greater is the Cy at a vacuum in the air intake of 0.5 atm. Significance for practical application. The developed profiles have a large thickness and create traction. These profiles are convenient to use in aircraft with large internal volumes, for example, those running on hydrogen fuel.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аэродинамический профиль</kwd><kwd>математическое моделирование</kwd><kwd>оптимизация</kwd><kwd>численный эксперимент</kwd><kwd>энергетические методы увеличения подъемной силы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aerodynamic profile</kwd><kwd>high-lift aerodynamic profile</kwd><kwd>mathematical modeling</kwd><kwd>numerical experiment</kwd><kwd>optimization</kwd><kwd>power aerodynamics</kwd><kwd>propulsive wing concept</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования Российской Федерации в ходе реализации проекта «Фундаментальные основы механики, систем контроля и управления беспилотных авиационных систем с формообразующими конструкциями, глубоко интегрированными с силовыми установками, и уникальными свойствами, не применяемыми сегодня в пилотируемой авиации», No FEFM-2020-0001.</funding-statement><funding-statement xml:lang="en">This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation in the course of the project “Fundamental bases of mechanics, control and management systems for unmanned aircraft systems with shaping structures deeply integrated with propulsion systems and unique properties not used today in manned aviation”, No FEFM-2020-0001.</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">Li Y., Pan Z., Zhang N. 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