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Частотный анализ колебаний кромки купола круглого парашюта

Частотный анализ колебаний кромки купола круглого парашюта

Abstract

Статья посвящена обработке и анализу видеозаписи работы парашюта, полученной во время летного эксперимента при пуске метеоракеты ММР-06 с целью определения основных характеристик колебательного процесса кромки купола во время движения на дозвуковой скорости в диапазоне высот от 42,2 км до 34,2 км. Анализ данных показал, что процесс колебаний кромки купола носит случайный характер. В результате частотного анализа выявлена собственная частота колебаний конструкции 2,4 Гц, которая определяется жескостью капроновых строп.The article is addressed to the analysis of the videos obtained during flight experiment at the launch of meteo-rocket MMP-06 in order to determine main characteristics of the oscillatory process the edges of the canopy at subsonic speeds at altitudes from 42,2 km to 34.2 km. Data analysis demonstrated that the oscillations of the edge of the canopy has a random character. The structure frequency of 2.4 Hz was identified from the analysis to be determined by the nylon sling stiffness.

Keywords

ПАРАШЮТ,ПУЛЬСАЦИИ КУПОЛА ПАРАШЮТА,ЖЕСТКОСТЬ КОНСТРУКЦИИ ПАРАШЮТА

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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
Green