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SUMMARY:From dust grains to planetesimals\, via streaming instability?
DTSTART:20261110T060000Z
DTEND:20261110T070000Z
DTSTAMP:20261110T052400Z
UID:indico-event-5433@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Yanqing Wu(武延庆) (University of Toronto)\n\nHos
 t: Dong Lai Join Tencent Meeting: https://meeting.tencent.com/dm/IQtjW7c9Y
 LVsMeeting ID:  607869229 (no password)Abstract： Dust grains shine brig
 htly in proto-planetary disks. If these grains become large enough and den
 se enough\, they can stir the gas via the so-called streaming instability.
  The turbulent gas may then cluster the grains into even denser clumps\, p
 ossibly triggering the formation of planetesimals. I will first describe o
 ur current efforts to quantify the few key steps in this picture. This inc
 ludes the saturation strength of the streaming instability\, the process o
 f turbulent concentration\, and lastly\, the observational evidences for g
 rain sizes.Biography: Yanqin Wu is a professor of theoretical astrophysics
  in the University of Toronto. She is currently pursuing issues in proto-p
 lanetary disks\, including grain growth\, planetesimal formation\, fluid d
 ynamics\, etc.\n\nhttps://indico-tdli.sjtu.edu.cn/event/5433/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/5433/
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