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Безэлектродный источник УФ излучения на основе СВЧ ртутного разряда низкого давления «Светотехника», 2023, №1

Журнал «Светотехника» №1

Дата публикации 17/02/2023
Страница 54-58

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Безэлектродный источник УФ излучения на основе СВЧ ртутного разряда низкого давления «Светотехника», 2023, №1
Авторы статьи:
Железнов Игорь Игоревич, Попов Олег Алексеевич

Железнов Игорь Игоревич, аспирант кафедры «Светотехника» НИУ «МЭИ», которую с отличием окончил в 2020 г. Старший инженер-испытатель ИЦ ООО «ВНИСИ» им. С.И. Вавилова. Область научных интересов: разработка безэлектродных источников оптического излучения, исследование параметров ртутного разряда НД, методология измерений излучательных и спектральных характеристик источников УФ излучения

Доктор техн. наук. Окончил в 1965 г. МЭИ. Профессор кафедры «Светотехника» НИУ «МЭИ»

Аннотация
Проведено экспериментальное исследование излучательных, температурных и электрических параметров безэлектродной УФ-лампы с двумя ртутно-аргоновыми (рAr ≈ 7,5∙10–1 Торр, рHg ≈ 0,01–0,06 Торр) кварцевыми горелками на основе коаксиального СВЧ разряда. Предложены конструкция бактерицидного (185–280 нм) УФ облучателя с ней для обеззараживания воздушно-водной среды и его основные параметры. В качестве источника СВЧ-излучения использован магнетрон для бытовых СВЧ-печей (2,45 ГГц, 1 кВт). Максимальный поток УФ излучения (87,2 Вт) достигался при потребляемой магнетроном мощности от сети Pэл = 687 Вт. Установлено, что при водяном охлаждении горелок (tводы = 15 °C) диапазон мощностей Pэл, при котором достигается максимальный энергетический КПД лампы и облучателя в указанном диапазоне λ (до 13 %) шире (490–720 Вт), чем при воздушном (tвоздуха = 23 °C) охлаждении (490–550 Вт).
Список использованной литературы
1. Cekić M., Ruckman M.В. Physics of Electrodeless UV Lamps and Applications of UV Radiation // AIP Conference Proceedings. – 2004. – Vol. 740. – P. 282. URL: https://doi.org/10.1063/1.1843513.40 (дата обращения: 31.08.2022).
2. Бархударов Э.М., Денисова Н.В., Коссый И.А., Мисакян М.А. «Резонансный» микроволновый разряд как источник ультрафиолетового излучения // Физика плазмы. – 2009. – Т. 35. – № 7. – С. 611–618.
3. Шлифер Э.Д. Некоторые особенности и проблемы создания осветительных и облучательных устройств на базе безэлектродных газоразрядных ламп с СВЧ-накачкой // Светотехника. – 1999. – № 1. – С. 6–9.
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5. ГОСТ 21011.2–76 «Кенотроны высоковольтные. Метод измерения тока анода в импульсе».
6. Билько М.И., Томашевский А.К., Шаров П.П., Баймуратов Е.А. Измерение мощности на СВЧ – М.: Сов. радио,1976. – С. 10–27.
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11. Василяк Л.М., Дроздов Л.А., Костюченко С.В., Кудрявцев Н.Н., Собур Д.А., Соколов Д.В., Шунков Ю.Е. Методика измерения мощности УФ излучения трубчатых бактерицидных ламп низкого давления // Светотехника. – 2011. – № 1. – С. 29–32.
12. Железнов И.И., Попов О.А. Исследование излучательных и спектральных характеристик источников УФ излучения на основе коаксиальных СВЧ разрядов в парах ртути низкого давления // Вестник МЭИ. – 2023. – № 2.
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