A photographic study of bubble coalescence

Yu Min Yang; Jer Ru Maa

doi:10.1080/02533839.1983.9676753

A photographic study of bubble coalescence

Yu Min Yang
, Jer Ru Maa

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The coalescence of nitrogen bubbles in liquid was studied by using a high-speed motion picture camera at speeds up to 3,000 frames per second. Examination of the films frame by frame reveals that the general process of bubble coalescence is growth-touching- coalescence-vibrating-detachment. A small amount of surface active additive influences the time of coalescence significantly: 0.9ppm of sodium lauryl sulfate (SLS), 1.6 ppm of sodium laury benzene sulfonate (SLBS) or 1.8 ppm of n-octanol inhibits the bubble coalescence completely. This phenomenon is attributed to the dynamic surface effect or the departure from static surface tension caused by extension of the gas-liquid interface.

Original language	English
Pages (from-to)	257-263
Number of pages	7
Journal	Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume	6
Issue number	4
DOIs	https://doi.org/10.1080/02533839.1983.9676753
Publication status	Published - 1983 Jun

All Science Journal Classification (ASJC) codes

General Engineering

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10.1080/02533839.1983.9676753

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abstract = "The coalescence of nitrogen bubbles in liquid was studied by using a high-speed motion picture camera at speeds up to 3,000 frames per second. Examination of the films frame by frame reveals that the general process of bubble coalescence is growth-touching- coalescence-vibrating-detachment. A small amount of surface active additive influences the time of coalescence significantly: 0.9ppm of sodium lauryl sulfate (SLS), 1.6 ppm of sodium laury benzene sulfonate (SLBS) or 1.8 ppm of n-octanol inhibits the bubble coalescence completely. This phenomenon is attributed to the dynamic surface effect or the departure from static surface tension caused by extension of the gas-liquid interface.",

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AB - The coalescence of nitrogen bubbles in liquid was studied by using a high-speed motion picture camera at speeds up to 3,000 frames per second. Examination of the films frame by frame reveals that the general process of bubble coalescence is growth-touching- coalescence-vibrating-detachment. A small amount of surface active additive influences the time of coalescence significantly: 0.9ppm of sodium lauryl sulfate (SLS), 1.6 ppm of sodium laury benzene sulfonate (SLBS) or 1.8 ppm of n-octanol inhibits the bubble coalescence completely. This phenomenon is attributed to the dynamic surface effect or the departure from static surface tension caused by extension of the gas-liquid interface.

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A photographic study of bubble coalescence

Abstract

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