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UID:0-237@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20210714T133000

DTEND;TZID=Asia/Jerusalem:20210714T143000

DTSTAMP:20230417T065532Z

URL:https://aerospace.technion.ac.il/events/oscillations-of-large-bubbles-
 due-to-sudden-finite-volume-release/

SUMMARY:Oscillations of Large Bubbles Due to Sudden Finite Volume Release
DESCRIPTION:Lecturer:Idan Eizenberg\n Faculty:Department of Aerospace Engin
 eering\n Institute:Technion – Israel Institute of Technology\n Location:
 Classroom 165\, ground floor\, Library\, Aerospace Eng. & https://technion
 .zoom.us/j/99715588822\n Zoom: \n Abstract: \n Details: \n The oscillatory
  behavior of large air bubbles produced from the instantaneous rupture of 
 a submerged\, finite volume container is characterized experimentally. Con
 tinuous gas release in the form of a unidirectional jet from underwater pi
 pes or geophysical formations has received significant attention in the pa
 st\, largely focused on the break-up of the gas stream and the size of the
  resulting bubbles. More recently\, so-called ‘glugging’ behavior in c
 onstrained systems with very large reservoirs has also been studied\, in w
 hich bi-directional mass exchange occurs between the liquid and gas phases
 . In contrast to both of these quasi-steady systems\, the finite volume ru
 pture problem depends significantly on the initial transient behavior of t
 he two fluids\, due to the bi-directional exchange in a relatively small\,
  fixed\, gas reservoir. The resulting gas release produces a similar bubbl
 e break-up behavior but with different time and length scales. We present 
 time-resolved pressure and bubble geometry measurements following an insta
 ntaneous\, underwater volume rupture\, identify the relevant temporal scal
 ing behavior for the resulting dynamics\, and explain the behavior in term
 s of inertial and capillary phenomena.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng. & https://
 technion.zoom.us/j/99715588822

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