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Critical section and critical depth in open flows finding device

Устройство для нахождения критического сечения и критической глубины в открытых потоках
Authors: Yerzhanova, Nurliza; Mussin, Zhassulanbay; Dzholdasov, Saparbek; Altynbekova, Aliya;

Critical section and critical depth in open flows finding device

Abstract

В статье теоретически показывается, что при критическом состоянии потока скорости напор равен половине глубины потока, т.е. половине критической глубины. Авторами предлагается устройство предназначенное для нахождения критического сечения и критической глубины в открытых потоках, которые определяются путем последовательных замеров динамического напора и глубины потока с помощью устройства в различных поперечных сечениях и нахождения сечения, где динамический напор равен половине глубины потока, а глубина – критической глубине, т.е. равенство соблюдается. В результате применении такого устройства повышается информативность за счет возможности непосредственного определения критического сечения и критической глубины потока и повышение удобства эксплуатации.

There is theoretically shown that pressure is equal to half of flow depth at state of speed flow, i.e .It is equal to half of critical depth. Knowing it, authors offer a device that is designed to finding critical section and critical depth in open flows which are defined by consecutive measurements of dynamic pressure and depth of flow by means of the device in various cross sections and section findings where the dynamic pressure is equal to a half of flow depth, and depth is critical depth, i.e. equality is observed. As a result of the use of such a device increases information density due to the direct determination of the critical section and the critical depth of flow and increase ease of operation.

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Keywords

шпитцен-масштаб, критическая глубина, расход потока, Pitot tube, критическое сечение, critical depth, шток, critical section, average speed, specific energy, dynamic head, stock, трубка Пито, measuring needle, удельная энергия, flow rate, spitzen scale, динамический напор, средняя скорость, мерная игла

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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!
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