USING ACOUSTICS TO STUDY AND STIMULATE THE COALESCENCE OF OIL DROPS SURROUNDED BY WATER
USING ACOUSTICS TO STUDY AND STIMULATE THE COALESCENCE OF OIL DROPS SURROUNDED BY WATER
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DOI：
10.1006/jcis.1993.1316
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发表时间：
1993-08-01
影响因子：
9.9
通讯作者：
APFEL, RE
中科院分区：
文献类型：
--
作者：
GARDNER, EA;APFEL, RE
利用声悬浮技术和声空化技术研究了油滴在水中的聚并过程。与大多数早期研究不同，这些研究调查了具有初始平面界面的单个液滴的聚结，使用声辐射力允许两个液滴接触并允许聚结。这种声学技术相对于其他液滴-液滴聚结系统的优点在于，液滴保持接触直到它们聚结，而不使用固体载体来控制它们。此外，观察到声空化在油-水界面中存款足够的能量以触发一对2 mm直径的液滴的聚结。这种增产机理可用于破乳。一些影响自发和受激聚结的因素进行了研究。
The coalescence of oil drops in water is studied using acoustic levitation and stimulated with acoustic cavitation. Unlike most earlier studies, which investigate the coalescence of a single drop with an initially plannar interface, the use of acoustic radiation forces allows two drops to be brought into contact and allowed to coalesce. This acoustic technique has the advantage over other drop-drop coalescence systems in that the drops remain in contact until they coalesce without the use of solid supports to control them. Additionally, acoustic cavitation is observed to deposit sufficient energy in the oil-water interface to trigger the coalescence of a pair of 2-mm-diameter drops. This stimulation mechanism could have application to emulsion breaking. Some of the factors that affect spontaneous and stimulated coalescence are investigated.