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SUMMARY:Harnessing the dynamics of acoustically driven two-phase fluid med
 ia
DTSTART:20220310T160000
DTEND:20220310T170000
DTSTAMP:20260408T044335Z
UID:d4601fb9dcb34378f8e428df02589934983060bf8827be724bcccad2
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Outi Supponen Institute of Fluid Dynamics\, ETH Zurich\n
 Abstract: Bubbles oscillate volumetrically under the effect of pressure f
 luctuations\, such as those produced by sound waves. When driven into a vi
 olent collapse\, they can yield strong sound emissions\, high-speed jets\,
  and extreme heating – a behaviour known as cavitation. Here\, we will p
 resent ongoing research efforts to reach a fundamental understanding of th
 e intriguing dynamics of bubbles across a wide range of scales from a sing
 le bubble level to that of bubble clouds. For this\, we generally combine 
 ultra-high-speed experiments with theory. More specifically\, we will repo
 rt on our progress in temporally resolving the oscillations and translatio
 ns of microbubble ultrasound contrast agents\, elucidating the role of cav
 itation in ultrasound-mediated tissue adhesion\, reaching extreme flow foc
 using using tandem bubbles and discussing effective capillarity in ultraso
 und-driven bubble clouds. The broad aim of this research lies in the quest
  for harnessing the power of acoustically driven two-phase fluid media for
  a variety of engineering applications\, including medical ultrasound diag
 nostics\, drug delivery\, lithotripsy\, sonochemistry\, surface cleaning a
 nd micro-fluidics.
LOCATION:https://ethz.zoom.us/j/94817809233?pwd=N0pzbnQwSFFTQnVPcVR3SkNrd2
 9OQT09
STATUS:CONFIRMED
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