Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/33779
- Title
- Globally cohesive drops without interfacial tension
- Author/Creator
-
Nitsche, Ludwig C.;
Nguyen, Anh;
Evans, Geoffrey
- Institution
- The University of Newcastle. Faculty of Engineering & Built Environment, School of Engineering
- Description
- For sedimenting, immiscible drops at unit viscosity ratio, a cohesive chemical potential is formulated to agree formally with the boundary-integral (BI) equation of Stokes flow. Against conventional wisdom, the resulting 'bulk cohesion' (BC) force field does not give rise to interfacial tension. Nevertheless, particle simulations based upon this concept accurately reproduce complex shape evolutions of trailing drops as calculated with BI. The BC force is easier to compute than volumetric versions of interfacial tension, and the radius of cohesion need not be small.
- Relation
- Chemical Physics Letters Vol. 397, Issue 4-6, p. 417-421
- Publisher Link
- http://dx.doi.org/10.1016/j.cplett.2004.09.006
- Date
- 2004
- Publisher
- Elsevier BV
- Keyword(s)
-
sedimenting;
boundary-integral equation;
bulk cohesion force;
Stokes flow;
interfacial tension
- Resource Type
- journal article
- Identifier
- http://hdl.handle.net/1959.13/33779
- Identifier
- ISSN:0009-2614
- Reviewed
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