scholarly journals The mechanism of micro-bubble generation in a two dimensional venturi tube

2014 ◽  
Vol 80 (819) ◽  
pp. FE0318-FE0318
Author(s):  
Ryo KUROSHIMA ◽  
Takeshi OTAKA ◽  
Hisayoshi KADO
Keyword(s):  
Venturi Tube ◽  
Two Dimensional ◽  
Bubble Generation ◽  
Micro Bubble

201 The Research on Micro Bubble Generation using the Venturi tube

2009 ◽  
Vol 2009.48 (0) ◽  
pp. 35-36 ◽  
Author(s):  
Koji UKAI ◽  
Shinithi UNNO ◽  
Tetsuya ENOMOTO ◽  
Hikaru KUNIYOSHI
Keyword(s):  
Venturi Tube ◽  
Bubble Generation ◽  
Micro Bubble

The Observation of Micro-bubble Generation in Venturi Tube by Ultra-high-speed Camera

2003 ◽  
Vol 2003.6 (0) ◽  
pp. 289-290
Author(s):  
Akiko FUJIWARA ◽  
Kazuhiho WATANABE ◽  
Shu TAKAGI ◽  
Yoichiro MATSUMOTO
Keyword(s):  
High Speed ◽  
Venturi Tube ◽  
High Speed Camera ◽  
Bubble Generation ◽  
Ultra High Speed ◽  
Micro Bubble

Experimental Study on the New Micro-Bubble Generator and Its Application to Water Purification System

2003 ◽  
Author(s):  
Akiko Fujiwara ◽  
Shu Takagi ◽  
Kazuhiro Watanabe ◽  
Yoichiro Matsumoto
Keyword(s):  
Water Purification ◽  
Strong Shock ◽  
Venturi Tube ◽  
Pressure Recovery ◽  
Image Processing Technique ◽  
Bubble Generation ◽  
Water Purification System ◽  
Purification System ◽  
Wide Range ◽  
Micro Bubble

Micro-bubble generation techniques are proposed in former investigations. In the present study one of the effective technique by using converging-diverging nozzle (venturi tube) is introduced. Rapid pressure recovery in the diverging nozzle induced bubble fission. The purpose of this study is to develop the new micro bubble generator, clarify the mechanism of the bubble fission in the venturi tube and elucidate the relation between the flow structure in the tube and the generated bubbles’ diameter. The developed micro generator has an advantage on the usage of wide range of void fraction. The observation by a high speed camera suggests that the bubble fission is caused by the strong shock-type pressure recovery in venturi tube. Finally in order to verify the applicability of micro-bubbles that generated by venturi tube to water purification system, floatation experiment was conducted. Bubble diameter in each condition is estimated by image processing technique respectively.

scholarly journals Micro-Bubble Generation by Using Pipe with Slits

2006 ◽  
Vol 72 (721) ◽  
pp. 2242-2248 ◽  
Author(s):  
Hiroaki HASEGAWA ◽  
Yasuhiro MASAKI ◽  
Kazuo MATSUUCHI ◽  
Yusuke YOSHIDA
Keyword(s):  
Bubble Generation ◽  
Micro Bubble

scholarly journals An Experimental Study on Micro-Bubble Generation by Laser-Induced Breakdown in Water

2008 ◽  
Vol 36 (APLS) ◽  
pp. 1273-1275 ◽  
Author(s):  
Takashi YASUDA ◽  
Noriyuki TAKAHASHI ◽  
Masafumi BABA ◽  
Kazuyoku TEI ◽  
Shigeru YAMAGUCHI
Keyword(s):  
Experimental Study ◽  
Bubble Generation ◽  
Laser Induced Breakdown ◽  
Micro Bubble

Mechanism of Bubble Breakup in Micro-bubble Generator Using Venturi Tube

2004 ◽  
Vol 2004.2 (0) ◽  
pp. 83-84 ◽  
Author(s):  
Akiko FUJIWARA ◽  
Kazuhiro WATANABE ◽  
Shu TAKAGI ◽  
Yoichiro MATSUMOTO
Keyword(s):  
Venturi Tube ◽  
Bubble Breakup ◽  
Micro Bubble
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