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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2020-11-49-53</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1861</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>ТЕПЛОФИЗИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THERMOPHYSIC MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Оценка неопределённости косвенного измерения ресурса защитных свойств фильтрующе-поглощающих изделий с использованием теплового метода</article-title><trans-title-group xml:lang="en"><trans-title>The uncertainty of residual life indicator measurement by thermal method for respirator cartridge</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>Балабанов</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Balabanov</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тамбов</p></bio><bio xml:lang="en"><p>Pavel V. Balabanov</p><p>Tambov</p></bio><email xlink:type="simple">pav-balabanov@yandex.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>Рязанов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryazanov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тамбов</p></bio><bio xml:lang="en"><p>Ivan V. Ryazanov</p><p>Tambov</p></bio><email xlink:type="simple">senior.ryazanov2012@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тамбовский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tambov State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>20</day><month>07</month><year>2023</year></pub-date><volume>0</volume><issue>11</issue><fpage>49</fpage><lpage>53</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/1861">https://www.izmt.ru/jour/article/view/1861</self-uri><abstract><p>Рассмотрены средства защиты органов дыхания с фильтрующе-поглощающими элементами на основе твёрдых, в частности химических, сорбентов. Для обеспечения надёжной работы указанных средств защиты необходимо контролировать их ресурс защитных свойств. Проанализированы факторы неопределённости косвенного измерения ресурса защитных свойств фильтрующепоглощающих изделий, имеющих форму пластины и работающих в условиях конвективного обдува очищаемым воздухом. Показано, что для пластин сорбента на основе надпероксида калия KО2 толщиной 0,8 мм при относительной влажности воздуха 60–90 % и концентрации диоксида углерода СО2 1–4 % основным фактором неопределённости косвенного измерения ресурса защитных свойств является число Био Bi, характеризующее условия теплоотдачи с поверхности пластины. Экспериментально установлено, что при Bi=0…0,08 основной фактор составляет до 30 % суммарной неопределённости измерения ресурса защитных свойств.</p></abstract><trans-abstract xml:lang="en"><p>Filtering and absorbing products in the form of a plate and working under conditions of convective blowing with cleared air residual life indicator uncertainties of measurement analysis is carried out. It is shown that for 0.8 mm thick KO2-based sorbent plates at a relative humidity of 60…90 % and a CO2 concentration of 1…4 %, the main factor of the uncertainty of indirect measurement of the residual life indicator is the Biot parameter characterizing the conditions of heat transfer from the plate surface. It has been experimentally proven that for Biot parameter in the range of 0–0.08, this factor contributes up to 30 % in the total uncertainty.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неопределённость измерения</kwd><kwd>ресурс защитных свойств</kwd><kwd>тепловой метод</kwd><kwd>адсорбенты</kwd><kwd>средства защиты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>uncertainty of measurement</kwd><kwd>residual life indicator</kwd><kwd>thermal method</kwd><kwd>adsorbents</kwd><kwd>respiratory device</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">Wood G. O., Snyder J. L., Jou rnal of occupational and environmental hygiene, 2011, no. 8 (10), pp. 609–617. https:/ /doi.org/10.1080/15459624.2011.606536</mixed-citation><mixed-citation xml:lang="en">Wood G. O., Snyder J. 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