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TZID:Europe/Vienna
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DTSTART:20260329T030000
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BEGIN:VEVENT
DTSTAMP:20260721T003257Z
UID:1786623300@ist.ac.at
DTSTART:20260813T141500
DTEND:20260813T151500
DESCRIPTION:Speaker: Vicente Luis Diaz Melian\nhosted by Kimberly Modic \nA
 bstract: When a Leidenfrost droplet floats on its own vapor layer\, the in
 terplay between vapor pressure\, surface tension\, and gravity determines 
 its shape\, and in the stable regime the underside of the droplet exhibits
  curvature inversion. Using interferometric imaging\, we observe a differe
 nt behavior for a levitated hydrogel sphere. Curvature inversion appears b
 riefly after deposition\, but the continuous vaporization process removes 
 this feature\, leading first to an oscillatory regime and eventually to a 
 steady state without curvature inversion. We demonstrate the essential rol
 e of vaporization in shaping the hydrogel underbelly\, where direct mass l
 oss has a stronger influence than the balance between vapor pressure and e
 lastic forces.
LOCATION:Central Bldg / O1 / Lecture Hall (I02.O1.014) and Zoom\, ISTA
ORGANIZER:
SUMMARY:Vicente Luis Diaz Melian: Thesis Defense: The morphology underneath
  a levitated hydrogel sphere
URL:https://talks-calendar.ista.ac.at/events/6561
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