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SUMMARY:Kolloquium Angewandte Mathematik: Interface Analysis of Drople
 t Coalescence via Dynamic Density Functional Theory\; Rolf Stierle (In
 stitut für Technische Thermodynamik und Thermische Verfahrenstechnik\
 , Universität Stuttgart)
UID:a463f727-0a86-4ea1-bea1-502001d6a017
DESCRIPTION:ABSTRACT: Thermodynamic analysis of droplets and their int
 erfaces grants insight into coalescence phenomena. Using classical Den
 sity Functional Theory (DFT)\, a native thermodynamic approach present
 s itself to problems including\, but not limited to\, nucleation\, coa
 lescence and structure analysis of fluids. DFT is a powerful tool for 
 analysis of interfacial phenomena and prediction of interfacial proper
 ties. Helmholtz energy functionals of the PC-SAFT equation of state [1
 ] are used\, allowing for the calculation of single droplets without u
 sage of interfacial-specific parameters. Relaxation of the equilibrium
  assumption yields Dynamic Density Functional Theory (DDFT)\, which is
  suitable for the prediction of dynamic density distributions of vapor
 -liquid systems [2]. This contribution presents predictions from one- 
 & two-dimensional DDFT in Cartesian coordinates applied to droplet coa
 lescence\, utilizing a Discontinuous Galerkin Spectral Elements Method
  adjusted for integral equations. This enables application of efficien
 t methods for solving the balance equations from DDFT in one or more d
 imensions and can be used for the analysis of interface phenomena duri
 ng droplet coalescence. References [1] Joachim Gross: A density functi
 onal theory for vapor-liquid interfaces using the PCP-SAFT equation of
  state\, J. Chem. Phys. 131 (2009)\, 204705 [2] Andrew J. Archer: Dyna
 mical density functional theory for molecular and colloidal fluids: A 
 microscopic approach to fluid mechanics\, J. Chem. Phys. 130 (2009)\, 
 014509
DTSTART:20190718T141500Z
DTEND:20190718T151500Z
LOCATION:H13
DTSTAMP:20260723T191254Z
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