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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN Imprimir: 1065-3090
ISSN On-line: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v6.i2.50
pages 129-137

MEASUREMENTS OF A RISING SINGLE BUBBLE IN STAGNANT LIQUID

Yassin A. Hassan
Department of Nuclear Engineering, Texas A&M University, College Station, TX 77843, USA
Javier Ortiz-Villafuerte
Department of Nuclear Engineering, Texas A&M University, College Station, TX 77843, USA
William D. Schmidt
Department of Nuclear Engineering, Texas A&M University, College Station, TX 77843, USA

RESUMO

A whole-volume, three-dimensional particle image velocimetry measurement technique is used to study the transient structure of the wake generated by the passage of a single air bubble rising in stagnant water, in a circular pipe. The wake effect upon the flow pattern within the measurement zone is investigated. The liquid flow motion during the bubble existence within and after departure from the test volume was observed during the whole measurement time of 266.7 × 10−3 s. The three-dimensional particle image technique has demonstrated the ability to study the large-scale wake structure.


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