Bubble Dynamics in a Horizontal Rectangular Pipe with Rough Wall

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概要

• 論文の詳細を見る

• An experimental study on a bubbly two-phase flow has been performed in a horizontal rectangular pipe with rough wall. The bubbles glide under the upper wall, the size of which decreases with an increasing roughness of the wall. The bubble diameter and the bubble population density have been well correlated with F=X^<1/3>Re^<-1>K^<-1/4>, where X, Re and K are quality, Reynolds number and roughness factor respectively. The distorted shape of large bubbles by buoyant force has well agreed with analysis. The bubble velocity is proportional to and lower than the liquid velocity around a bubble. It depends on the size but does not directly depend on the wall roughness.

• 一般社団法人日本機械学会の論文

著者

• Madarame Haruki

  Faculty Of Engineering University Of Tokyo

• FUJITA Motohisa

  Faculty of Engineering, University of Tokyo

• Fujita Motohisa

  Faculty Of Engineering University Of Tokyo

関連論文

• Thermally Induced Acoustic Oscillations in a Pipe : 2nd Report : Oscillations Induced by Interference of Heat Sources
• Thermally Induced Acoustic Oscillations in a Pipe : 1st Report : Oscillations Induced by Plane Heat Source in Air Current
• Thermally Induced Acoustic Oscillations in a Pipe : 3rd Report : oscillations induced by a premixed flame in a pipe
• Bubble Dynamics in a Horizontal Rectangular Pipe with Rough Wall

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