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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Ecology and Life Safety</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Ecology and Life Safety</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Экология и безопасность жизнедеятельности</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-2310</issn><issn publication-format="electronic">2408-8919</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">27350</article-id><article-id pub-id-type="doi">10.22363/2313-2310-2020-28-4-361-369</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Life Safety</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Безопасность жизнедеятельности</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Assessment of radon-222 radiation activity in the design of residential buildings</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка радиационной активности радона-222 при проектировании жилых зданий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="spin">5191-0602</contrib-id><name-alternatives><name xml:lang="en"><surname>Sauts</surname><given-names>Artur V.</given-names></name><name xml:lang="ru"><surname>Сауц</surname><given-names>Артур Валерьевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Technical Sciences, Associate Professor, Department of Marketing and Social Communications</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент, кафедра маркетинга и социальных коммуникаций</p></bio><email>art_88@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sauts</surname><given-names>Valery N.</given-names></name><name xml:lang="ru"><surname>Сауц</surname><given-names>Валерий Николаевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Technical Sciences, Associate Professor, Department of Technology, Organization and Construction Economics</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент, кафедра технологии, организации и экономики строительства</p></bio><email>sauc_valerii@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Saint Petersburg University of Management Technologies and Economics</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский университет технологий управления и экономики</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Military Institute (Engineering and Technical) of the Military Academy of Мaterial Logistics named after General of the Army A.V. Khrulev</institution></aff><aff><institution xml:lang="ru">Военный институт (инженерно-технический) Военной академии материально-технического обеспечения имени А.В. Хрулёва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2020</year></pub-date><volume>28</volume><issue>4</issue><issue-title xml:lang="en">VOL 28, NO4 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 28, №4 (2020)</issue-title><fpage>361</fpage><lpage>369</lpage><history><date date-type="received" iso-8601-date="2021-09-04"><day>04</day><month>09</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Sauts A.V., Sauts V.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Сауц А.В., Сауц В.Н.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Sauts A.V., Sauts V.N.</copyright-holder><copyright-holder xml:lang="ru">Сауц А.В., Сауц В.Н.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/ecology/article/view/27350">https://journals.rudn.ru/ecology/article/view/27350</self-uri><abstract xml:lang="en"><p style="text-align: justify;">In this paper, we have developed a method that allows us to evaluate the radiation activity of radon-222 based on mathematical modeling in the design of residential buildings in accordance with the rules for designing anti-radon protection. The method is based on the numerical solution of the diffusion, heat transfer, and Navier - Stokes equations, supplemented by appropriate turbulence models, initial and boundary conditions, in particular, the process of natural decay and sedimentation of radon-222 in the room is taken into account. Verification of the method for residential premises of an apartment building located on the territory of Saint Petersburg was performed. Using the proposed calculation method allows you to identify the most radiation “dangerous” places in the room, rationally organize the air exchange and configuration of the room, prevent the development of “sick building syndrome”, etc.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Разработана методика, позволяющая выполнить оценку радиационной активности радона-222 с помощью математического моделирования при проектировании жилых зданий в соответствии с правилами проектирования противорадоновой защиты. Методика основана на численном решении уравнений диффузии, теплообмена, Навье - Стокса, дополненном соответствующими моделями турбулентности, начальными и граничными условиями, в частности учитывается процесс естественного распада, седиментации радона-222 в помещении. Выполнена верификация методики для жилого помещения многоквартирного дома, расположенного на территории Санкт-Петербурга. Использование предложенной методики расчета позволяет выявить наиболее радиационно «опасные» места в помещении, рационально организовать воздухообмен и конфигурацию помещения, предупредить развития «синдрома больного здания» и т. д.</p></trans-abstract><kwd-group xml:lang="en"><kwd>radon-222</kwd><kwd>radioactive decay</kwd><kwd>α-radiation</kwd><kwd>radioactive contamination of premises</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>радон-222</kwd><kwd>радиоактивный распад</kwd><kwd>α-излучение</kwd><kwd>радиоактивное загрязнение помещений</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Darby S, Hill D, Doll R. Radon: a likely carcinogen at all exposures. Annals of Oncology Journal. 2001;12(10):27.</mixed-citation><mixed-citation xml:lang="ru">Darby S., Hill D., Doll R. Radon : a likely carcinogen at all exposures // Annals of Oncology Journal. 2001. Vol. 12. 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