Microgravity Fluid Physics & Heat Transfer

ISBN Print: 978-1-56700-147-1

ISBN Online: 978-1-56700-444-1

NUMERICAL SIMULATION OF THREE DIMENSIONAL BUBBLE GROWTH AND DETACHMENT IN A MICROGRAVITY SHEAR FLOW

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DOI: 10.1615/MFPHT-1999.100
pages 80-87

Hiroyuki Takahira Osaka Metropolitan University, Osaka, Japan

Sanjoy Banerjee Department of Chemical Engineering University of California at Santa Barbara, Santa Barbara, California, 93106

Sinopsis

In this study, we have developed the three­dimensional two-phase flow code with unequal spacing taking into account of gravity and surface tension effects, as well. The level set method is used to capture the liquid-gas interface. The bubble growth and detachment in a micro gravity shear flow are simulated using the present code. The gas is injected through a small opening into liquid. We have succeeded in simulating a bubble detachment. The results are compared with experimental data and are qualitatively in good agreement with experimental data. The bubble growth and detachment are significantly affected by the gravity and surface tension.

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