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首页> 外文期刊>実験力学 >Solid-Liquid Separation in Wastewater by Air Bubble - Bubble Formation Frequency at Poorly Wetted Nozzle
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Solid-Liquid Separation in Wastewater by Air Bubble - Bubble Formation Frequency at Poorly Wetted Nozzle

机译:气泡对废水的固液分离-喷嘴湿润时气泡的形成频率

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摘要

Bubble formation from a centered single-hole nozzle placed on the bottom of a water bath has been investigated using a high-speed video camera. Wetted and poorly wetted nozzles are used to understand the effect of wettability of nozzle on the bubble formation in the water. When the gas flow rate is lower than a certain critical value, the frequency of bubble formation is specified by the outer nozzle diameter. On the other hand, when the gas flow rate is raised above another critical value, the inner nozzle diameter governs the bubble formation. An empirical equation is proposed for the frequency of bubble formation in the water.
机译:已经使用高速摄像机研究了由置于水浴底部的居中单孔喷嘴产生的气泡。使用润湿和润湿性差的喷嘴来了解喷嘴的润湿性对水中气泡形成的影响。当气体流速低于某个临界值时,气泡形成的频率由喷嘴的外径确定。另一方面,当气体流速提高到另一个临界值以上时,内部喷嘴直径控制气泡的形成。针对水中气泡形成的频率,提出了一个经验公式。

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