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Природный фон при проведении акустических испытаний самолетов на аэродроме базирования малой авиации

Природный фон при проведении акустических испытаний самолетов на аэродроме базирования малой авиации

Abstract

В статье представлены результаты экспериментального исследования спектральных и интегральных характеристик природного акустического фона для заданной природноклиматической зоны. Разработана методика сбора данных о спектральном составе и процедура формирования банка статистических данных о спектральных и интегральных характеристиках природного акустического фона. Показано, на основе анализа модели Лайтхилла генерации звука низкоскоростным воздушным потоком и полученных экспериментальных данных, что в приземном слое атмосферы основным источником акустического излучения является «собственный» шум турбулентности, возникающей при взаимодействии ветра с конвективными потоками воздуха. Установлена зависимость интенсивности шума турбулентности от скорости ветра, от характера подстилающей поверхности и от разности дневной и минимальной ночной температур воздуха

Keywords

ПРИРОДНЫЙ АКУСТИЧЕСКИЙ ФОН,ТУРБУЛЕНТНОСТЬ АТМОСФЕРЫ,ФОНОВЫЙ ШУМ

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    popularity
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold