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Особенности формирования кавитационных каверн в центробежном высокооборотном насосе

Особенности формирования кавитационных каверн в центробежном высокооборотном насосе

Abstract

Features of cavitational processes in a flowing part of high-sided centrifugal pump are considered. On the basis of high-speed registration on visualization of formation of cavitational cavities, the experimental materials describing the form, volume and parameters of development кавитационной to a cavity, are presented. Dependence of change of volume of a cavity, during work of centrifugal pump in a range of the parameters describing stalling mode of a pump unit and following it cavitational self-oscillations in hydro-system of a liquid rocket engine, is obtained.

Рассмотрены особенности кавитационных процессов в проточной части высокооборотного центробежного насоса. На основе высокоскоростной регистрации по визуализации формирования кавитационной каверны представлены экспериментальные материалы, характеризующие форму, объем и параметры развития кавитационной полости. Получена зависимость изменения объема каверны при работе центробежного насоса в диапазоне параметров, характеризующих срывной режим насосного агрегата и следующие за ним кавитационные автоколебания в гидросистеме ЖРД.

Keywords

ВЫСОКООБОРОТНЫЕ ТУРБОНАСОСНЫЕ АГРЕГАТЫ, ЖИДКОСТНЫЕ РАКЕТНЫЕ ДВИГАТЕЛИ, КАВИТАЦИОННЫЕ КАВЕРНЫ, ЦЕНТРОБЕЖНЫЙ НАСОС

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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