Measurements of air entrainment by bow waves

被引：32
|
作者：
Waniewski, TA
Brennen, CE
Raichlen, F
机构：
[1] Sci Applicat Int Corp, Naval Hydrodynam Div, San Diego, CA 92121 USA
[2] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA
来源：
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 2001年 / 123卷 / 01期
关键词：
D O I：
10.1115/1.1340622
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper describes measurements of the air entrained in experiments simulating the breaking bow wave of a ship for Froude numbers between two and three. The experiments and the characteristics of the wave itself are detailed in T. Waniewski. 1999, ''Air Entrainment by Bow Waves: Ph.D. theses, Calif. Inst. of Tech.'' The primary mechanism for air entrainment is the impact of the plunging wave jet, and it was observed thar the air bubbles were entrained in spatially periodic bubble clouds. The void fraction and bubble size distributions were measured in the entrainment zone. There were indications that the surface disturbances described in Waniewski divide the plunging liquid jet sheet into a series of plunging jets, each of which products a bubble cloud.
引用
收藏
页码：57 / 63
页数：7
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