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CATEGORIES:Fluid Mechanics (DAMTP)
SUMMARY:Microswimmers\, nanoswimmers and microfluidic mixe
 rs: The role of hydrodynamic interactions and fluc
 tuations - Ramin Golestanian (University of Oxford
 )
DTSTART;TZID=Europe/London:20110311T160000
DTEND;TZID=Europe/London:20110311T170000
UID:TALK28856AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/28856
DESCRIPTION:The directed propulsion of small scale objects in 
 water is problematic because of the combination of
  low Reynolds number and strong thermal fluctuatio
 ns at these length scales. I introduce simple prot
 otypes of model low Reynolds number swimmers and e
 xamine their physical properties with and without 
 fluctuations. I also report on a number of recent 
 experimental realizations of such devices.\nFinall
 y\, I discuss the collective behavior of an array 
 of model microfluidic pumps\, and examine dynamica
 l phenomena such as synchronization and (low Reyno
 lds number) turbulent mixing\, with and without fl
 uctuations.\n
LOCATION:MR2\, Centre for Mathematical Sciences\, Wilberfor
 ce Road\, Cambridge
CONTACT:Doris Allen
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