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SUMMARY:Particles and droplets in Foams - A simulation approach - Neethlin
 g\, SJ (Imperial College London)
DTSTART:20140224T101500Z
DTEND:20140224T110000Z
UID:TALK51047@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Co-author: Gareth Morris (Imperial College London) \n\nParticl
 es and droplets play an important role in the stability of many foam syste
 ms. For instance\, particles play an important role in stabilising mineral
  flotation froths\, while oil droplets can have a destabilising effect on 
 the stability of detergent foams. This paper will present a number of stud
 ies in which the effect of particles\, both individually and en-mass\, on 
 the stability of thin films and foams are investigated using simulations. 
 The main simulation tool employed is Surface Evolver\, which has been prog
 rammed to allow the constraints used to model the particle location to cha
 nge in response to the forces exerted on the particle\, both from the flui
 d interfaces and other particles. These simulations are coupled to small s
 cale experiments in which the behaviour of thin films containing particles
  is studied using high speed video analysis. As well as particles\, the in
 fluence of oil droplets on the behaviour of foams is investigated by means
  of simulation\, with mechani sms by which these droplets can both stabili
 se and destabilise foams and thin films being demonstrated.\n
LOCATION:Seminar Room 1\, Newton Institute
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