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Previous studies carried out in the micro-gravity laboratory at the EPSC (Escola
Politècnica Superior de Castelldefels) which is a Higher Education School of the
Polytechnical University of Catalonia (UPC) allowed to characterize the behavior of
bubbles within a T-junction type bubble generator with water or alcohol in micro-gravity
condition. David Billaud, another student from ENSEEIHT doing his training period with
me, carried out experiments with a bubble generator which sits at the border between
gravity and micro-gravity condition.
My work at EPSC consisted of analyzing the dynamics of bubbles. Firstly I
analyzed the frequency of small bubbles into a bubble flow in order to find out if there
would be a particular pattern. Secondly, I characterized two Y-junction type bubble
generator of 30 and 60 degrees.
Conclusions enable to characterize Y-junction type bubble generator behavior and
allow us to better understand the presence of small bubbles in bubble flows.
The characteristics of flows generated in different Y-junction bubble generators will be studied.
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