scholarly journals Maximal Air Bubble Entrainment at Liquid-Drop Impact

2012 ◽  
Vol 109 (26) ◽  
Author(s):  
Wilco Bouwhuis ◽  
Roeland C. A. van der Veen ◽  
Tuan Tran ◽  
Diederik L. Keij ◽  
Koen G. Winkels ◽  
...  
Keyword(s):  
Liquid Drop ◽  
Drop Impact ◽  
Air Bubble ◽  
Bubble Entrainment ◽  
Air Bubble Entrainment

scholarly journals F113 Improvement of Hydrofoil Performance on Air Bubble Entrainment for Drag Reduction of Ships

2013 ◽  
Vol 2013.18 (0) ◽  
pp. 187-188
Author(s):  
Ichiro KUMAGAI ◽  
Haruki SAKAMAKI ◽  
Yuji TASAKA ◽  
Yoshihiko OISHI ◽  
Yuichi MURAI
Keyword(s):  
Drag Reduction ◽  
Air Bubble ◽  
Bubble Entrainment ◽  
Air Bubble Entrainment

Irregular Bubble Entrainment Following Drop Impact on a Free Surface

2003 ◽  
Author(s):  
Yukio Tomita ◽  
Toshiyasu Kasai ◽  
Shinya Miura
Keyword(s):  
Free Surface ◽  
Impact Velocity ◽  
Water Surface ◽  
Drop Impact ◽  
Drop Diameter ◽  
Air Bubbles ◽  
Air Bubble ◽  
Bubble Entrainment ◽  
Irregular Case ◽  
The Impact

An air bubble is entrained by the impact of a drop on a water surface. Consequently sound is emitted. There are two categories of the bubble entrainment depending on the drop diameter dD and impact velocity Vimp. One is the regular entrainment where air bubbles are always pinched off, another is the irregular case where bubbles are trapped irregularly. In this paper we explore the mechanism of the irregular bubble entrainment and induced bubble sound.

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