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VSR Seminar

begin
27 Apr 2020 13:30
end
27 Apr 2020 14:30
venue
Jülich Supercomputing Centre, Hörsaal, building 16.3, room 222
1st talk:
Thermophoretic microswimmers: from single particle to collective properties
Speaker:
Dr. Marisol Ripoll, ICS-2
Contents:
Thermophoresis refers to the directed motion of colloidal particles in the presence of a solvent with a temperature gradient, which can occur towards cold (thermophobicity) or to the warm areas (thermophilicity). Self-propelled motion can be induced for particles where an asymmetric heating is possible, such as laser heated particles with partial metal coating (Janus or multimeric colloids). Single colloid swimming properties are varied by changing the number of the constituting
monomers (one, two or three), their spatial arrangement (rod-like or v-like) and the relative sizes of such monomers. The collective system properties are determined by the competition between hydrodynamic and phoretic interactions which vary as a function of the density, the colloid geometry, and the monomers phoretic affinity
(philic or phobic). Examples of the resulting behaviour are clustering, swarming, or rotational motions. We employ a hydrodynamic fluctuating mesoscale simulation approach to study both single and collective swimming, where both solvent and colloidal particles need to be explicitly considered.
Time:
Monday, 27 April 2020, 13:30-14:00
Venue:
Jülich Supercomputing Centre, Hörsaal, building 16.3, room 222
  
2nd talk:
tbd
Speaker:
NN
Contents:
tbd
Time:
Monday, 27 April 2020, 14:00 - 14:30
Venue:
Jülich Supercomputing Centre, Hörsaal, building 16.3, room 222

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